All Documentation
Elastic Cloud Server
Elastic Cloud Server
What's New
Function Overview
Hands-On Tutorials
Introduction
Example: Purchasing and Logging In to a Windows ECS
Example: Purchasing and Logging In to a Linux ECS
Change History
Service Overview
ECS Infographics
What Is ECS?
ECS Advantages
ECS Application Scenarios
Notes and Constraints on Using ECSs
ECS and Other Services
Instances
ECS Overview
ECS Lifecycle
ECS Types
x86 ECS Specifications and Types
A Summary List of x86 ECS Specifications
General Computing ECSs
General Computing-plus ECSs
General Computing-Basic ECSs
Memory-optimized ECSs
Large-Memory ECSs
Disk-intensive ECSs
Ultra-high I/O ECSs
High-Performance Computing ECSs
GPU-accelerated ECSs
AI-accelerated ECSs
Kunpeng ECS Specifications and Types
A Summary List of Kunpeng ECS Specifications
Kunpeng General Computing-plus ECSs
Kunpeng Memory-optimized ECSs
Kunpeng Ultra-high I/O ECSs
Kunpeng AI Inference-accelerated ECSs
Discontinued ECS Specifications
Images
Image Types
Cloud-Init
EVS Disks
Network
Security
Shared Responsibilities
Identity Authentication and Access Control
Access Control for ECS
Data Protection
Hypervisor Security
User Encryption
HSS
Auditing and Logging
Security Risk Monitoring
Fault Recovery
Certificates
License Types
Billing
Permissions Management
CPU Credits
Region and AZ
Change History
Getting Started
Overview
Purchasing an ECS
Overview
Step 1: Configure Basic Settings
Step 2: Configure Network
Step 3: Configure Advanced Settings
Step 4: Confirm
Logging In to an ECS
Initializing EVS Data Disks
Scenarios and Disk Partitions
Initializing Windows Data Disks Using Script
Initializing Linux Data Disks Using Script
Initializing a Windows Data Disk (Windows Server 2008)
Initializing a Windows Data Disk (Windows Server 2019)
Initializing a Linux Data Disk (fdisk)
Initializing a Linux Data Disk (parted)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
Initializing a Linux Data Disk Larger Than 2 TiB (parted)
Change History
User Guide
Instances
Selecting an ECS Billing Mode
Yearly/Monthly Billing
Pay-per-Use Billing
Spot Pricing
Spot Pricing ECSs
Purchasing a Spot ECS
Reserved Instances
Reserved Instance Overview
Enabling and Purchasing a Reserved Instance
Modifying RI Attributes
Changing Pay-per-Use to Yearly/Monthly
Changing Yearly/Monthly to Pay-per-Use
Purchasing an ECS
Purchasing the Same ECS
Viewing ECS Information
Viewing ECS Creation Statuses
Viewing Failed Tasks
Viewing ECS Details (List View)
Exporting ECS Information
Logging In to a Windows ECS
Login Overview
Login Using VNC
Login Using MSTSC
Logging In to a Windows ECS from a Linux Computer
Logging In to a Windows ECS from a Mobile Terminal
Logging In to a Windows ECS from a Mac
Logging In to a Linux ECS
Login Overview
Login Using CloudShell
Login Using VNC
Login Using an SSH Key
Login Using an SSH Password
Logging In to a Linux ECS from a Mobile Terminal
Logging In to a Linux ECS from a macOS Server
Managing ECSs
Changing ECS Names
Reinstalling the OS
Changing the OS
Managing ECS Groups
Changing the Time Zone for an ECS
Starting and Stopping ECSs
Modifying ECS Specifications
General Operations
Changing a Xen ECS to a KVM ECS (Windows)
Automatically Changing a Xen ECS to a KVM ECS (Linux)
Manually Changing a Xen ECS to a KVM ECS (Linux)
Migrating an ECS
Obtaining Metadata and Passing User Data
Obtaining Metadata
Passing User Data to ECSs
(Optional) Configuring Mapping Between Hostnames and IP Addresses
(Optional) Installing a Driver and Toolkit
GPU Driver
Installing a GRID Driver on a GPU-accelerated ECS
Installing a Tesla Driver and CUDA Toolkit on a GPU-accelerated ECS
Obtaining a Tesla Driver and CUDA Toolkit
Uninstalling a GPU Driver from a GPU-accelerated ECS
Images
Overview
Creating an Image
EVS Disks
Overview
Adding a Disk to an ECS
Attaching an EVS Disk to an ECS
Adding a Yearly/Monthly EVS Disk
Detaching an EVS Disk from a Running ECS
Expanding the Capacity of an EVS Disk
Expanding the Local Disks of a Disk-intensive ECS
Enabling Advanced Disk
Backup Using CBR
Overview
Backing Up an ECS Data
NICs
Overview
Attaching a Network Interface
Detaching a Network Interface
Changing a VPC
Modifying a Private IP Address
Managing Virtual IP Addresses
Enabling NIC Multi-Queue
Dynamically Assigning IPv6 Addresses
EIPs
Overview
Binding an EIP
Unbinding an EIP
Changing an EIP
Changing an EIP Bandwidth
Enabling Internet Connectivity for an ECS Without an EIP
Security
Methods for Improving ECS Security
Security Groups
Overview
Default Security Group and Rules
Security Group Configuration Examples
Configuring Security Group Rules
Changing a Security Group
HSS
Project and Enterprise Project
Protection for Mission-Critical Operations
Passwords and Key Pairs
Passwords
Application Scenarios for Using Passwords
Resetting the Password for Logging In to an ECS on the Management Console
One-Click Password Reset Plug-in
Obtaining the One-Click Password Reset Plug-in
Installing the One-Click Password Reset Plug-in on an ECS
Updating the One-Click Password Reset Plug-in for an ECS
Key Pairs
Application Scenarios for Using Key Pairs
(Recommended) Creating a Key Pair on the Management Console
Creating a Key Pair Using PuTTYgen
Importing a Key Pair
Obtaining and Deleting the Password of a Windows ECS
Obtaining the Password for Logging In to a Windows ECS
Deleting the Initial Password for Logging In to a Windows ECS
Permissions Management
Creating a User and Granting ECS Permissions
ECS Custom Policies
Launch Templates
Overview
Creating a Launch Template
Managing Launch Templates
Auto Launch Groups
Overview
Creating an Auto Launch Group
Managing Auto Launch Groups
Resources and Tags
Tag Management
Overview
Adding Tags
Searching for Resources by Tag
Deleting a Tag
Quota Adjustment
Monitoring
Monitoring ECSs
Basic ECS Metrics
OS Monitoring Metrics Supported by ECSs with the Agent Installed
Process Monitoring Metrics Supported by ECSs with the Agent Installed
OS Monitoring Metrics Supported by ECSs with the Agent Installed and Using Simplified Monitoring Metrics
Setting Alarm Rules
Viewing ECS Metrics
CTS
Key Operations Supported by CTS
Viewing Audit Logs
Change History
Best Practices
Best Practices for ECS
Migrating Servers to the Cloud
Migrating ECSs Across Accounts and Regions Through Image Replication
Enhancing Security for SSH Logins to Linux ECSs
Using VNC Viewer to Access a Linux ECS
Building Highly Available Web Server Clusters with Keepalived
Setting Up Websites
Setting Up a Discuz Forum
Overview
Requesting Cloud Resources
Building the Website
Configuring Features
Visiting the Website
Setting Up a WordPress Website (Linux)
Setting Up an FTP Site (Windows)
Setting Up an FTP Site (Linux)
Setting Up Tomcat-based Java Web Environment
Manually Setting Up a Magento E-Commerce Website (Linux)
Building Microsoft SharePoint Server 2016
Purchasing and Logging In to an ECS
Adding AD, DHCP, DNS, and IIS Services
Installing SQL Server
Installing Microsoft SharePoint Server 2016
Configuring Microsoft SharePoint Server 2016
Verifying Microsoft SharePoint Server 2016
Manually Deploying LNMP (CentOS 7.2, PHP 7.0)
Manually Deploying Docker (CentOS 7.5)
Deploying an ECS for Handling Text Messages from an Official WeChat Account
Manually Deploying GitLab (CentOS 7.2)
Manually Deploying RabbitMQ (CentOS 7.4)
Manually Deploying a Ghost Blog (on an ECS Running Ubuntu 20.04)
Manually Deploying Node.js (CentOS 7.2)
Setting Up Master-Slave Replication on PostgreSQL
Manually Installing a BT Panel (CentOS 7.2)
Accessing OBS from an ECS over the Intranet
Overview
Accessing OBS over Intranet by Using OBS Browser+ on a Windows ECS
Accessing OBS over Intranet by Using obsutil on a Linux ECS
Restoring Accidentally Deleted Data on a Linux ECS Using Extundelete
Installing and Deploying Jenkins on an ECS
API Reference
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
Selecting an API Type or Version
Querying Data in Pages
API Overview
Calling APIs
Making an API Request
Authentication
Response
APIs (Recommended)
Lifecycle Management
Creating ECSs
Creating an ECS (Pay-per-Use)
Deleting ECSs
Querying Details About an ECS
Querying Details About ECSs
Modifying ECS Information
Status Management
Reinstalling an ECS OS (Using an Image with Cloud-Init Installed)
Changing an ECS OS (Using an Image with Cloud-Init Installed)
Reinstalling an ECS OS (Using an Image Without Cloud-Init Installed)
Changing an ECS OS (Using an Image Without Cloud-Init Installed)
Cold Migrating an ECS
Obtaining the VNC Login Address
Modifying the Specifications of an ECS
Modifying the Specifications of an ECS (Pay-per-Use)
Changing the ECS Billing Mode
Batch Operations
Starting ECSs in a Batch
Restarting ECSs in a Batch
Stopping ECSs in a Batch
Modifying ECSs in a Batch
Resetting the Passwords for Logging In to ECSs in a Batch
Attaching a Specified Shared EVS Disk to Multiple ECSs
Flavor Management
Querying Details About Flavors and Extended Flavor Information
Querying Flavor Sales Policies
Querying the Target ECS Flavors to Which a Flavor Can Be Changed
NIC Management
Adding NICs to an ECS in a Batch
Deleting NICs from an ECS in a Batch
Querying NICs of an ECS
Disk Management
Querying a Single Disk Attached to an ECS
Querying Disk Attachments of an ECS
Querying Information About Disks Attached to an ECS
Attaching a Disk to an ECS
Detaching an EVS Disk from an ECS
Modifying a Single Disk Attached to an ECS
Metadata Management
Updating ECS Metadata
Deleting Specified ECS Metadata
Tenant Quota Management
Querying Tenant Quotas
Task Status Management
Querying Task Execution Status
Tag Management
Tag Types
Adding Tags to an ECS in a Batch
Deleting Tags from an ECS in a Batch
Querying Project Tags
Querying Tags of an ECS
Password Management
Querying Whether One-Click Password Reset Is Supported
Resetting the Password for Logging In to an ECS with a Few Clicks
Obtaining the Password for Logging In to an ECS
Deleting the Password for Logging In to an ECS
ECS Group Management
Creating an ECS Group
Deleting an ECS Group
Adding an ECS to an ECS Group
Removing an ECS from an ECS Group
Querying ECS Groups
Querying Details About an ECS Group
OpenStack Nova APIs
API Version Query
Querying All API Versions
Querying a Specified API Version
Lifecycle Management
Creating an ECS
Modifying ECS Information
Deleting an ECS
Querying ECSs
Querying Details About ECSs
Querying Details About an ECS
Status Management
Starting an ECS
Restarting an ECS
Stopping an ECS
Locking an ECS
Unlocking an ECS
Creating an Image Using an ECS
Modifying the Specifications of an ECS
Confirming ECS Specifications Modification
Rolling Back ECS Specifications Modification
Adding an ECS to the Monitoring List
Network Management
Querying Networks
Querying the Networks of a Specified ECS
Querying the Specified Network of an ECS
Security Group Management
Adding a Security Group
Removing a Security Group
Querying Security Groups of a Specified ECS
Flavor Management
Querying ECS Flavors
Querying Details About ECS Flavors
Querying Details About an ECS Flavor
Querying the extra_specs Value for an ECS Flavor
NIC Management
Querying NICs of an ECS
Querying Details About a Specified NIC of an ECS
Adding a NIC to an ECS
Deleting a NIC from an ECS
Disk Management
Querying Disks Attached to an ECS
Querying a Disk Attached to an ECS
Attaching a Disk to an ECS
Detaching a Disk from an ECS
Metadata Management
Updating ECS Metadata
Configuring ECS Metadata
Deleting Specified ECS Metadata
Querying ECS Metadata
Obtaining ECS Metadata with a Specified Key
Modifying ECS Metadata with a Specified Key
Tenant Quota Management
Querying Tenant Quota Limits
Querying Tenant Quotas
Querying Default Quotas
Key and Password Management
Querying SSH Key Pairs
Querying a Specified SSH Key Pair
Creating and Importing an SSH Key Pair
Deleting an SSH Key Pair
Obtaining the Password for Logging In to an ECS
Deleting the Password for Logging In to an ECS
ECS Group Management
Creating an ECS Group
Querying ECS Groups
Querying Details About an ECS Group
Deleting an ECS Group
ECS Operation Management
Querying Operations on an ECS
Querying ECS Operations by Request ID
ECS Console Management
Obtaining ECS Management Console Logs
Obtaining a VNC-based Remote Login Address (Microversion 2.6 or Later)
AZ
Querying AZs
Tag Management
Querying Tags of an ECS
Adding Tags to an ECS
Deleting Tags from an ECS
Adding a Tag to an ECS
Querying a Specified Tag for an ECS
Deleting a Specified Tag from an ECS
Historical Versions
Application Examples
Obtaining a Token and Checking the Validity Period of the Token
Common Scenarios of Using APIs
Creating an ECS
Querying ECSs
Modifying ECS Specifications
Attaching a Disk to an ECS
Attaching a NIC to an ECS
Querying the EIP Associated with an ECS
Data Structure
Data Structure for Creating ECSs
Data Structure for Querying Details About ECSs
Data Structure for Querying Details About Specifications
Permissions and Supported Actions
Introduction
Lifecycle Management
ECS Status Management
Batch Operations
Network Management
Image Management
Security Group Management
Specifications Query
NIC Management
Disk Management
Metadata Management
Tenant Quota Management
SSH Key Management
Password Management
Floating IP Address Management
ECS Group Management
ECS Management Through Console
AZ Management
Tag Management
Resource-Level Authorization
Common Parameters
Returned Values for General Requests
Obtaining a Project ID
Task Request Result
Responses (Task)
Returned Values
Batch Task Request
Responses (Batch Operation)
Out-of-Date APIs
Status Management
Querying Automatic Recovery of an ECS (Discarded)
Managing Automatic Recovery of an ECS (Discarded)
Flavor Management
Querying the Target Flavors to Which an ECS Flavor Can Be Changed (Discarded)
NIC Management
Binding a Virtual IP Address to an ECS NIC (Discarded)
Unbinding a Virtual IP Address from an ECS NIC (Discarded)
Disk Management
Querying Disk Attachment of an ECS (Discarded)
Querying a Single Disk Attached to an ECS (Discarded)
Tag Management
Adding Tags to an ECS in a Batch (Discarded)
Deleting Tags from an ECS in a Batch (Discarded)
Querying Project Tags (Discarded)
Querying Tags of an ECS (Discarded)
Querying ECSs by Tag (Discarded)
Password Management
Resetting the Password for Logging In to an ECS with a Few Clicks (Discarded)
Image Management (OpenStack Nova APIs)
Querying Images (Discarded)
Querying Image Details (Discarded)
Querying Details About a Specified Image (Discarded)
Querying the Metadata of a Specified Image (Discarded)
Deleting an Image (Discarded)
Security Group Management (OpenStack Nova APIs)
Querying Security Groups (Discarded)
Creating a Security Group (Discarded)
Querying Details About a Security Group (Discarded)
Updating a Security Group (Discarded)
Deleting a Security Group (Discarded)
Creating a Security Group Rule (Discarded)
Deleting a Security Group Rule (Discarded)
Disk Management (OpenStack Nova APIs)
Querying Brief Information About Disks (Discarded)
Querying Detailed Information About Disks (Discarded)
Querying Information About a Disk (Discarded)
Creating a Disk (Discarded)
Deleting a Disk (Discarded)
Floating IP Address Management (OpenStack Nova APIs)
Binding a Floating IP Address (Discarded)
Unbinding a Floating IP Address (Discarded)
Assigning a Floating IP Address (Discarded)
Querying Floating IP Addresses (Discarded)
Querying Details About a Floating IP Address (Discarded)
Releasing a Floating IP Address (Discarded)
Querying Floating IP Address Pools (Discarded)
Snapshot Management (OpenStack Nova APIs)
Creating a Snapshot (Discarded)
Querying Snapshots (Discarded)
Deleting a Snapshot (Discarded)
Appendix
HTTP Status Codes
Error Codes
ECS Statuses
Network APIs
Idempotent Requests
Change History
SDK Reference
SDK Overview
FAQs
Common Topics
ECS Overview
Using ECS
What Are the Precautions for Using ECSs?
What Can I Do with ECSs?
What Are Kunpeng and x86 CPU Architectures?
Can ECSs Automatically Recover After the Physical Host Accommodating the ECSs Becomes Faulty?
License Agreements
How Do I Use BYOL?
Regions and AZs
What Is an AZ?
What Is a Region?
Are Products Different in Different Regions?
Is Data Transmission Between AZs Billed?
Can I Change the Region for a Purchased ECS?
Can a Load Balancer Distribute Traffic to ECSs in Different Regions?
Is Application Disaster Recovery Available in Different Regions?
Are There Any Services Provided for Application Disaster Recovery?
Can Components Contained in an Application Be Distributed to Different Regions?
Billing
Billing Modes
What Are the Differences Between Yearly/Monthly and Pay-per-Use Billing Modes?
Will Am I Continue to Be Billed After ECSs Are Stopped?
Can I Switch Between Yearly/Monthly and Pay-per-Use Payments?
FAQs About ECS Frozen, Deletion, and Unsubscription
How Can I Stop an ECS from Being Billed?
FAQs About Spot ECSs
Renewal and Unsubscription
How Can I Renew ECSs?
How Can I Automatically Renew a Yearly/Monthly ECS?
How Do I Unsubscribe from ECSs?
Will I Receive a Notification If My Account Balance Is Insufficient?
Will I Receive a Notification of Account Balance Changes?
Creation and Deletion
ECS Creation
Why Is My ECS Not Displayed on the Management Console?
What Should I Do If the ECS Resources to Be Purchased Are Sold Out?
What Is the Creation Time and Startup Time of an ECS?
Why Does the Failures Area Show an ECS Creation Failure But the ECS List Displays the Created ECS?
When Does an ECS Become Provisioned?
Why Cannot I View the ECSs Being Created Immediately After I Pay for Them?
What Should I Do If the ECS Fails to Be Provisioned After I Have Paid the Order?
Why Does It Take Longer to Create ECSs When I Use a Full-ECS Image?
What Do I Do If I Selected an Incorrect Image for My ECS?
Should I Choose Windows OS or Linux OS for My ECS?
How Quickly Can I Obtain an ECS?
How Can I Manage ECSs by Group?
Why Did I Fail to Configure an Anti-Affinity ECS Group?
ECS Deletion
What Happens After I Click the Delete Button?
Can a Deleted ECS Be Provisioned Again?
Can a Deleted ECS Be Restored?
How Do I Delete or Restart an ECS?
Can I Forcibly Restart or Stop an ECS?
Login and Connection
Login Preparations
What Are the Login Requirements for ECSs?
What Are the Username and Password for Remote Logins?
Can I Retrieve My Remote Login Password?
Why Cannot I Use the Username and Password Configured During the Creation of a GPU-accelerated ECS to Log In to the ECS Through SSH?
What Should I Do If Starting an ECS Remains in "Waiting for cloudResetPwdAgent" State?
Logins Through the Management Console
Why Are Garbled Characters Displayed When I Log In to My ECS Using VNC?
What Should I Do If the Page Does not Respond After I Log In to an ECS Using VNC and Do Not Perform Any Operation for a Long Period of Time?
What Should I Do If I Cannot View Data After Logging In to an ECS Using VNC?
Why Does a Blank Screen Appear After I Attempted to Log In to an ECS Using VNC?
What Should I Do If Error Code 1006 or 1000 Is Displayed When I Log In to an ECS Through the Management Console?
Why No Audio File Can Be Properly Played on My Windows ECS Logged In Using VNC?
How Can I Change the Resolution of a Windows ECS?
Remote Logins
Can I Troubleshoot ECSs By Myself?
Why Can't I Log In to My Windows ECS?
Why Can't I Log In to My Linux ECS?
What Should I Do If I Cannot Use MSTSC to Log In to an ECS Running the Windows Server 2012 OS?
How Can I Change a Remote Login Port?
Why Cannot I Use a Non-Default SSH Port to Log In to My Linux ECS?
Why Can't I Obtain the Password for Logging In to My Windows ECS Authenticated Using a Key Pair?
What Browser Version Is Required to Remotely Log In to an ECS?
What Should I Do If I Cannot Access a Windows Server 2012 OS After Uninstalling Some Software?
How Can I Log In to an ECS After It Exchanged the System Disk with Another ECS Running the Same OS?
Why Does the System Display a Message Indicating that the Password for Logging In to a Windows ECS Cannot Be Obtained?
Remote Login Errors on Windows
Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?
Why Can't I Use the Local Computer to Connect to My Windows ECS?
How Can I Obtain the Permission to Remotely Log In to a Windows ECS?
Why Does the System Display No Remote Desktop License Servers Available to Provide a License When I Log In to a Windows ECS?
Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS?
Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS?
Why Does the System Display Error Code 122.112.. When I Log In to a Windows ECS?
Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac?
Why Does the System Display a Message Indicating Invalid Credentials When I Attempt to Access a Windows ECS?
Why Does an Internal Error Occur When I Log In to My Windows ECS?
Why Is My Remote Session Interrupted by a Protocol Error?
Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?
Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS?
Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS?
Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?
Why Does BSOD Occur When I Log In to an ECS Using Remote Desktop Connection?
Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed?
Remote Login Errors on Linux
Why Am I Seeing the Error Message "Module is unknown" When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "read: Connection reset by peer" Is Displayed When I Remotely Log In to a Linux ECS?
Why Am I Seeing the Error Message "Access denied" When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "Disconnected: No supported authentication methods available" Is Displayed When I Remotely Log In to a Linux ECS?
ECS Management
Hostnames
How Can a Changed Static Hostname Take Effect Permanently?
Is an ECS Hostname with Suffix .novalocal Normal?
Why Is the Hostname of My ECS Restored to the Original Name After the ECS Is Restarted?
How Can I Set Sequential ECS Names When Creating Multiple ECSs?
Modifying Specifications
How Can I Modify ECS Specifications?
What Should I Do If My Specifications Modification Request Failed to Submit?
What Should I Do If Executing a Driver Installation Script Failed on an ECS Running CentOS 5?
What Should I Do If Executing a Driver Installation Script Failed When I Attempted to Modify the Specifications of a Linux ECS?
Why Do the Disks of a Windows ECS Go Offline After I Modify the ECS Specifications?
Why Does the Disk Attachment of a Linux ECS Fail After I Modify the ECS Specifications?
Usage Errors
How Do I Handle Error Messages Displayed on the Management Console?
How Can I Recover a Windows ECS with an Abnormal Virtualization Driver?
What Should I Do If Emails Configured on an ECS Cannot Be Sent?
Why Is My Windows ECS Muted?
How Do I Change an ECS SID?
Why Does a Pay-per-Use ECS Fail to Be Started?
OS Management
Changing OSs
Does OS Change Incur Fees?
Can I Install or Upgrade the OS of an ECS?
Can I Change the OS of an ECS?
How Long Does It Take to Change an ECS OS?
Reinstalling OSs
Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
Does OS Reinstallation Incur Fees?
Can I Select Another OS During ECS OS Reinstallation?
How Long Does It Take to Reinstall an ECS OS?
GUI Installation FAQs
Do ECSs Support GUI?
How Can I Install a GUI on an ECS Running CentOS 6?
How Can I Install a GUI on an ECS Running CentOS 7?
How Can I Install a GUI on an ECS Running Ubuntu?
How Can I Install a GUI on an ECS Running Debian?
OS Faults
Why Does the OS Fail to Respond When kdump Occurs on a Linux ECS?
How Can I Upgrade the Kernel of a Linux ECS?
Why Cannot My ECS OS Start Properly?
How Can I Fix the Meltdown and Spectre Security Vulnerabilities on Intel Processor Chips?
How Can I Enable SELinux on an ECS Running CentOS?
Why Does a Forcibly-Stopped Linux ECS Fail to Be Restarted?
What Should I Do If the Cursor Is Unavailable After a GNOME GUI Is Installed on a Kunpeng ECS Running CentOS 7 or NeoKylin NKASV 7?
How Do I View the GPU Usage of a GPU-accelerated ECS?
Why Does the NVIDIA Kernel Crashes on a GPU-accelerated ECS?
File Upload/Data Transfer
How Do I Upload Files to My ECS?
How Can I Transfer Files from a Local Windows Computer to a Windows ECS?
How Can I Use OBS to Transfer Files from a Local Windows Computer to a Windows ECS?
How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS?
How Can I Transfer Files from a Local Mac to a Windows ECS?
How Can I Use SCP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Use SFTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS?
How Can I Use FTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Transfer Data Between a Local Computer and a Windows ECS?
What Should I Do If the Connection Between the Client and the Server Times Out When I Upload a File Using FTP?
What Should I Do If Writing Data Failed When I Upload a File Using FTP?
Why Does Internet Access to an ECS Deployed with FTP Fail?
Why Am I Seeing an FTP Folder Error When I Open a Folder on an FTP Server?
Why Do I Fail to Connect to a Linux ECS Using WinSCP?
ECS Migration
Can I Migrate an ECS to Another Region or Account?
Image Source Management
How Can I Use an Automated Tool to Configure a HUAWEI CLOUD Image Source (x86_64 and Arm)?
How Can I Use an EPEL Image Source (x86_64 or Arm) Provided by HUAWEI CLOUD?
How Can I Use a Pypi Image Source (x86_64 or Arm) Provided by HUAWEI CLOUD?
What Can I Do If the Download Speed Is Slow After the yum makecache Command Is Executed?
Disk Management
Disk Partitions and Virtual Memory
Why Can't I Find My Newly Purchased Data Disk After I Log In to My Windows ECS?
How Can I Adjust System Disk Partitions?
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS?
How Can I Enable Virtual Memory on a Windows ECS?
Why Is the Memory of an ECS Obtained by Running the free Command Inconsistent with the Actual Memory?
Disk Capacity Expansion
How Can I Add the Empty Partition of an Expanded System Disk to the End Root Partition Online?
How Can I Add the Empty Partition of an Expanded System Disk to the Non-end Root Partition Online?
Disk Attachment
Can I Attach Multiple Disks to an ECS?
What Are the Requirements for Attaching an EVS Disk to an ECS?
Which ECSs Can Be Attached with SCSI EVS Disks?
How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
What Should I Do If Attaching a Disk to a Windows ECS Failed But There Are Still Available Device Names?
Why Does a Linux ECS with a SCSI Disk Attached Fails to Be Restarted?
How Can I Check Whether the ECSs Attached with the Same Shared SCSI Disk Are in the Same ECS Group?
Others
Can All Users Use the Encryption Feature?
How Can I Add an ECS with Local Disks Attached to an ECS Group?
How Can I Delete or Unsubscribe from a Yearly/Monthly Disk?
Will My EVS Disk Be Unsubscribed or Deleted When I Unsubscribe from or Delete Its Server?
Why Does a Disk Attached to a Windows ECS Go Offline?
Why Does the Disk Drive Letter Change After the ECS Is Restarted?
How Can I Obtain Data Disk Information If Tools Are Uninstalled?
How Can I Rectify the Fault That May Occur on a Linux ECS with an NVMe SSD Disk Attached?
Why Is the Device Name of My C6 ECS in the sd* Format?
Why Are Disk Error Logs Printed After a Disk Attached to an ECS Is Formatted with the ext4 File System?
Passwords and Key Pairs
Passwords
How Can I Change the Password for Logging In to a Linux ECS?
What Is the Default Password for Logging In to a Linux ECS?
How Can I Set the Validity Period of the Image Password?
Changing the Login Password on an ECS
Resetting the Password for Logging In to a Windows ECS Without the Password Reset Plug-in Installed
Resetting the Password for Logging In to a Linux ECS Without the Password Reset Plug-in Installed
What Should I Do If the System Displays a Message Indicating that the Password Is Incorrect When I Remotely Log In to My ECS?
What Should I Do If I Cannot Log In to My ECS Using the Initial Password After I Use It for a Period of Time?
Why Does Login to My ECS Using the Reset Password Fail?
Why Am I Seeing the Message Indicating That the Port Is Used by a One-Click Password Reset Plug-in?
Why Does the One-Click Password Reset Plug-in Use Too Much VIRT and SHR?
Disabling SELinux
What Should I Do If the One-Click Password Reset Plug-ins Installed on a Linux ECS Fail to Be Started?
Key Pairs
How Can I Obtain the Key Pair Used by My ECS?
How Can I Use a Key Pair?
Can I Download a Key Pair from My Phone?
What Should I Do If a Key Pair Cannot Be Imported?
Why Does the Login to My Linux ECS Using a Key File Fail?
What Should I Do If I Cannot Download a Key Pair?
Why Does a Key Pair Created Using puttygen.exe Fail to Be Imported on the Management Console?
What Is the cloudbase-init Account in Windows ECSs Used for?
What Should I Do If Cloud-Init Does Not Work After Python Is Upgraded?
Network Configurations
EIPs
Can Multiple EIPs Be Bound to an ECS?
Can an ECS Without an EIP Bound Access the Internet?
Why Can't an EIP Be Pinged?
Why Can I Remotely Access an ECS But Cannot Ping It?
Why Is Outbound Access on TCP Port 25 Blocked?
How Do I Query the Egress Public IP Address of My ECS?
DNS and NTP Configurations
How Can I Configure the NTP and DNS Servers for an ECS?
Does HUAWEI CLOUD Provide the NTP Server and How Can I Configure It?
Configuring DNS
NICs
What Should I Do If NIC Flapping Occurs After My ECS Specifications Are Modified?
Will NICs Added to an ECS Start Automatically?
How Do I Change the CIDR Block of an ECS Subnet?
How Can I Check Whether the Network Communication Is Normal Between Two ECSs Equipped with an InfiniBand NIC Driver?
How Can I Manually Configure an IP Address for an InfiniBand NIC?
Why Is the NIC Not Working?
How Can I Handle the Issue that a Windows 7 ECS Equipped with an Intel 82599 NIC Reports an Error in SR-IOV Scenarios?
Routing
How Can I Add a Static Route to a CentOS 6.5 OS?
Why Can't My Linux ECS Obtain Metadata?
Website or Application Access Failures
Why Can't My Windows ECS Access the Internet?
Why Does My Linux ECS Fail to Access the Internet?
How Do I Troubleshoot an Unresponsive Website Hosted on My ECS?
Why Accessing a Website Outside the Chinese Mainland Is Slow on an ECS?
Why Did I See "Invalid argument" or "neighbour table overflow" During an Access to a Linux ECS?
Others
How Can I Obtain the MAC Address of My ECS?
How Can I Test Network Performance?
Why Can't I Use DHCP to Obtain a Private IP Address?
How Can I View and Modify Kernel Parameters of a Linux ECS?
How Can I Configure Port Redirection?
Can the ECSs of Different Accounts Communicate over an Intranet?
Will ECSs That I Purchased Deployed in the Same Subnet?
Security Configurations
How Does an ECS Defend Against DDoS Attacks?
Are ECSs with Simple Passwords Easily Attacked?
How Is ECS Security Ensured?
How Can I Disable Operation Protection?
Resource Management and Tags
How Can I Create and Delete Tags and Search for ECSs by Tag?
Resource Monitoring
Why Is My Windows ECS Running Slowly?
Why Is My Linux ECS Running Slowly?
Database Applications
Can a Database Be Deployed on an ECS?
Does an ECS Support Oracle Databases?
What Should I Do If a Msg 823 Error Occurs in Oracle, MySQL, or SQL Server System Logs After a Disk Initialization Script Is Executed?
Change History
Troubleshooting
General Issues
Why Accessing a Website Outside the Chinese Mainland Is Slow on an ECS?
How Do I Troubleshoot a Ping Failure or Packet Loss Using a Link Test?
How Do I Troubleshoot Slow Connections to a Website Hosted on My ECS?
How Do I Troubleshoot an Unresponsive Website Hosted on My ECS?
Why Am I Unable to Connect to a Port on an ECS?
How Can I Resolve High Bandwidth Usage on My ECSs?
Why Is My Windows ECS Running Slowly?
Why Is My Linux ECS Running Slowly?
How Can I Handle Slow ECS Startup?
How Do I Configure Multiple IP Addresses for an ECS with Multiple NICs Attached?
Windows ECS Issues
How Can I Retain a Session on a Windows ECS?
How Can I Fix the Difference Between the System Time and the Local Standard Time?
How Do I Attach an Extension NIC to a Windows ECS for Accessing the Internet?
How Can I Fix Grayed Out Copy and Paste Options?
How Do I Configure File Sharing and Network Disk Mapping for a Windows ECS?
How Do I Troubleshoot an In-Service Port During Tomcat Startup?
How Do I Troubleshoot Unavailable Input Methods?
How Do I Share Files Between Windows ECSs?
How Do I Restore Data in the Event of a Startup Failure on a Windows ECS?
How Do I View Login Logs of a Windows ECS?
Linux ECS Issues
Why Is My Linux ECS Not Booting and Going Into Emergency Mode?
How Do I Fix a "Read-Only" Error When I Edit the /etc/fstab File?
How Do I Change the Time Zone on ECSs Running CentOS or EulerOS?
How Do I Troubleshoot "nf_conntrack:table full, dropping packet"?
How Do I Change the Default Boot Kernel in Ubuntu?
How Do I Configure atop and kdump on Linux ECSs for Performance Analysis?
Why Is the OS Version of My ECS Not the One in the Image I Selected During ECS Creation?
How Do I Enable My ECS to Boot From the Second Kernel If It Fails to Boot from the First Kernel?
How Can I Make /etc/rc.local Run at Startup in CentOS 7?
What OSs Are Supported If I Want to Install Docker on a Linux ECS?
Why Do the Modifications to /etc/security/limits.conf Not Take Effect After the ECS Restarts?
How Do I Set vCPU Affinity for Processes Using taskset?
What Should I Do If Error "command ´gcc´ failed with exit status 1" Occurs During PIP-based Software Installation
What Can I Do If Switching from a Non-root User to User root Times Out?
What Can I Do If the Permissions on the Root Directory of My CentOS ECS Changed to 777?
Configuring the Network
Why Does My ECS Running CentOS 7 Fail to Obtain an IP Address Using dhclient?
Why Does the NIC Names Change After I Start a Linux ECS?
Why an Entry Is Automatically Added to /etc/hosts After a Linux ECS Is Restarted?
How Do I Fix a Network Startup Failure Due to Multiple NIC Configuration Files?
Why Do I Get the Error "Name or service not known" When I Ping a Public Domain Name Configured for a Linux ECS?
Why Cannot the EIP Bound to the Extension NIC of My ECS Access the Internet?
How Do I Fix Too High Memory Usage by NetworkManager When Multiple Docker Containers Are Running?
Why Is the ECS IP Address Lost After the System Time Changes?
What Can I Do If resolv.conf Gets Reset?
Disk Space Management Issues
Why Can't I Mount a Disk on an Old Mount Point by Modifying fstab in CentOS 7?
How Do I Create a Swap Partition or File in Linux?
Why Is the Space Not Released After I Delete a Large File on a Linux ECS?
How Do I Fix the "Read-only file system" Error When I Delete a File on a Linux ECS?
How Do I Fix File Creation Failures Due to Inode Exhaustion?
Why Do I Get the Error "No space left on device" When I Create a File on a Linux ECS?
Why the Buffer and Cache Occupy Too Much Memory of a Linux ECS?
GPU Driver Issues
Why Is the GPU Driver Abnormal?
Why Is the GPU Driver Unavailable?
Why Is the GPU Display Abnormal?
Why Is the T4 GPU Display Abnormal?
How Do I Troubleshoot GPU Start Failures Caused by NULL Pointer Dereference on NVIDIA?
SSH Connection Issues
How Do I Keep an SSH Session Alive?
How Can I Allow or Deny Login from Specific Users or IP Addresses to an ECS Using SSH?
Why Can't I Access an ECS Running CentOS 7 Using SSH After I Changed the Default SSH Port?
How Can I Resolve ECS Login Failures Due to Corrupt /etc/passwd?
Why Does It Takes a Long Time to Connect to an ECS Using SSH After UseDNS Is Enabled?
Why Does sshd Fail to Be Started on a Linux ECS?
How Do I Disable Login to an ECS Using SSH Password?
Why Are Connections to a Linux ECS Using SSH or to Applications on the ECS Interrupted Occasionally?
Multi-User Login Issues
How Do I Configure Multi-User Logins for an ECS Running Windows Server 2012?
Why Does a Browser Launch Error Occur in Multi-User Login?
How Do I Apply for a License for Authenticating Multi-User Sessions and Activate an ECS?
How Do I Troubleshoot Login Screen Flickering After Configuring Multi-User Login?
Passwords and Key Pairs Issues
How Do I Reset the Password for User root in Single-User Mode on a Linux ECS?
How Do I Reset the Password for Logging In to a Linux ECS?
How Do I Fix the "Authentication token manipulation error" When I Reset the Password Using passwd on a Linux ECS?
How Do I Change the Key Pair for a Linux ECS?
How Do I Change the Login Mode of a Linux ECS from Key Pair to Password?
Firewall Configuration Issues
How Do I Disable a Windows ECS Firewall and Add a Port Exception on a Windows ECS Firewall?
How Do I Disable a Linux ECS Firewall and Add a Port Exception on a Linux ECS Firewall?
BSOD Issues
How Do I Fix a BSOD on a Windows ECS?
How Do I Troubleshoot Blue Screen or Black Screen Errors After an ECS Is Started?
Why Does BSOD Occur When I Log In to an ECS Using Remote Desktop Connection?
IIS Installation Issues
How Do I Install IIS on a Windows ECS?
Why Does an Error Occur When I Attempt to Change a Domain Name on IIS Manager?
How Do I Redirect Web Pages?
Change History
Videos
Glossary
More Documents
User Guide (ME-Abu Dhabi Region)
Service Overview
What Is ECS?
ECS Advantages
ECS Application Scenarios
Notes and Constraints on Using ECSs
ECS and Other Services
Instances
ECS Overview
ECS Lifecycle
ECS Types
x86 ECS Specifications and Types
A Summary List of x86 ECS Specifications
General-Purpose ECSs
Dedicated General-Purpose ECSs
Memory-optimized ECSs
Large-Memory ECSs
Disk-intensive ECSs
Ultra-high I/O ECSs
GPU-accelerated ECSs
AI-accelerated ECSs
Images
Image Types
Cloud-Init
EVS Disks
Network
Security
Data Protection
User Encryption
Fault Recovery
Billing
Permissions Management
Region and AZ
Getting Started
Creating an ECS
Overview
Step 1: Configure Basic Settings
Step 2: Configure Network
Step 3: Configure Advanced Settings
Step 4: Confirm
Logging In to an ECS
Initializing EVS Data Disks
Scenarios and Disk Partitions
Initializing a Windows Data Disk (Windows Server 2008)
Initializing a Windows Data Disk (Windows Server 2019)
Initializing a Linux Data Disk (fdisk)
Initializing a Linux Data Disk (parted)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
Initializing a Linux Data Disk Larger Than 2 TiB (parted)
Instances
Selecting an ECS Billing Mode
Pay-per-Use Billing
Reserved Instances
Reserved Instance Overview
Enabling and Purchasing a Reserved Instance
Modifying RI Attributes
Creating an ECS
Creating the Same ECS
Viewing ECS Information
Viewing ECS Creation Statuses
Viewing Failed Tasks
Viewing ECS Details (List View)
Exporting ECS Information
Logging In to a Windows ECS
Login Overview
Login Using VNC
Login Using MSTSC
Logging In to a Windows ECS from a Linux Computer
Logging In to a Windows ECS from a Mobile Terminal
Logging In to a Windows ECS from a Mac
Logging In to a Linux ECS
Login Overview
Login Using VNC
Login Using an SSH Key
Login Using an SSH Password
Logging In to a Linux ECS from a Mobile Terminal
Logging In to a Linux ECS from a macOS Server
Managing ECSs
Changing ECS Names
Reinstalling the OS
Changing the OS
Managing ECS Groups
Changing the Time Zone for an ECS
Automatically Recovering ECSs
Starting and Stopping ECSs
Modifying ECS Specifications
General Operations
Migrating an ECS
Obtaining Metadata and Passing User Data
Obtaining Metadata
Passing User Data to ECSs
(Optional) Configuring Mapping Between Hostnames and IP Addresses
(Optional) Installing a Driver and Toolkit
GPU Driver
Installing a GRID Driver on a GPU-accelerated ECS
Installing a Tesla Driver and CUDA Toolkit on a GPU-accelerated ECS
Obtaining a Tesla Driver and CUDA Toolkit
Uninstalling a GPU Driver from a GPU-accelerated ECS
Images
Overview
Creating an Image
EVS Disks
Overview
Adding a Disk to an ECS
Attaching an EVS Disk to an ECS
Detaching an EVS Disk from a Running ECS
Expanding the Capacity of an EVS Disk
Expanding the Local Disks of a Disk-intensive ECS
Enabling Advanced Disk
Backup Using CBR
Overview
Backing Up an ECS Data
NICs
Overview
Attaching a Network Interface
Detaching a Network Interface
Changing a VPC
Modifying a Private IP Address
Managing Virtual IP Addresses
Enabling NIC Multi-Queue
Dynamically Assigning IPv6 Addresses
EIPs
Overview
Binding an EIP
Unbinding an EIP
Changing an EIP
Changing an EIP Bandwidth
Enabling Internet Connectivity for an ECS Without an EIP
Security
Methods for Improving ECS Security
Security Groups
Overview
Default Security Group and Rules
Security Group Configuration Examples
Configuring Security Group Rules
Changing a Security Group
HSS
Project and Enterprise Project
Protection for Mission-Critical Operations
Passwords and Key Pairs
Passwords
Application Scenarios for Using Passwords
Changing the Login Password on an ECS
Resetting the Password for Logging In to a Windows ECS
Resetting the Password for Logging In to a Linux ECS
Key Pairs
Application Scenarios for Using Key Pairs
(Recommended) Creating a Key Pair on the Management Console
Creating a Key Pair Using PuTTYgen
Importing a Key Pair
Permissions Management
Creating a User and Granting ECS Permissions
ECS Custom Policies
Resources and Tags
Tag Management
Overview
Adding Tags
Searching for Resources by Tag
Deleting a Tag
Quota Adjustment
Monitoring
Monitoring ECSs
Basic ECS Metrics
OS Monitoring Metrics Supported by ECSs with the Agent Installed
Process Monitoring Metrics Supported by ECSs with the Agent Installed
Setting Alarm Rules
Viewing ECS Metrics
CTS
Key Operations Supported by CTS
Viewing Audit Logs
FAQs
Common Topics
ECS Overview
What Are the Precautions for Using ECSs?
What Can I Do with ECSs?
Can ECSs Automatically Recover After the Physical Host Accommodating the ECSs Becomes Faulty?
Regions and AZs
What Is an AZ?
Billing
How Can I Stop an ECS from Being Billed?
Creation and Deletion
What Should I Do If the ECS Resources to Be Purchased Are Sold Out?
What Is the Creation Time and Startup Time of an ECS?
Why Does the Failures Area Show an ECS Creation Failure But the ECS List Displays the Created ECS?
When Does an ECS Become Provisioned?
Why Cannot I View the ECSs Being Created Immediately After I Pay for Them?
Why Does It Take Longer to Create ECSs When I Use a Full-ECS Image?
What Do I Do If I Selected an Incorrect Image for My ECS?
Should I Choose Windows OS or Linux OS for My ECS?
How Quickly Can I Obtain an ECS?
How Can I Manage ECSs by Group?
Why Did I Fail to Configure an Anti-Affinity ECS Group?
What Happens After I Click the Delete Button?
Can a Deleted ECS Be Provisioned Again?
Can a Deleted ECS Be Restored?
How Do I Delete or Restart an ECS?
Can I Forcibly Restart or Stop an ECS?
Login and Connection
What Are the Username and Password for Remote Logins?
Why Cannot I Use the Username and Password Configured During the Creation of a GPU-accelerated ECS to Log In to the ECS Through SSH?
Why Are Garbled Characters Displayed When I Log In to My ECS Using VNC?
What Should I Do If the Page Does not Respond After I Log In to an ECS Using VNC and Do Not Perform Any Operation for a Long Period of Time?
What Should I Do If I Cannot View Data After Logging In to an ECS Using VNC?
Why Does a Blank Screen Appear After I Attempted to Log In to an ECS Using VNC?
What Should I Do If Error Code 1006 or 1000 Is Displayed When I Log In to an ECS Through the Management Console?
Why No Audio File Can Be Properly Played on My Windows ECS Logged In Using VNC?
How Can I Change the Resolution of a Windows ECS?
Why Can't I Log In to My Windows ECS?
Why Can't I Log In to My Linux ECS?
What Should I Do If I Cannot Use MSTSC to Log In to an ECS Running the Windows Server 2012 OS?
How Can I Change a Remote Login Port?
Why Cannot I Use a Non-Default SSH Port to Log In to My Linux ECS?
Why Can't I Obtain the Password for Logging In to My Windows ECS Authenticated Using a Key Pair?
What Browser Version Is Required to Remotely Log In to an ECS?
Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?
Why Can't I Use the Local Computer to Connect to My Windows ECS?
How Can I Obtain the Permission to Remotely Log In to a Windows ECS?
Why Does the System Display No Remote Desktop License Servers Available to Provide a License When I Log In to a Windows ECS?
Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS?
Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS?
Why Does the System Display Error Code 122.112.. When I Log In to a Windows ECS?
Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac?
Why Does the System Display a Message Indicating Invalid Credentials When I Attempt to Access a Windows ECS?
Why Does an Internal Error Occur When I Log In to My Windows ECS?
Why Is My Remote Session Interrupted by a Protocol Error?
Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?
Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS?
Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS?
Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?
Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed?
Why Am I Seeing the Error Message "Module is unknown" When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "read: Connection reset by peer" Is Displayed When I Remotely Log In to a Linux ECS?
Why Am I Seeing the Error Message "Access denied" When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "Disconnected: No supported authentication methods available" Is Displayed When I Remotely Log In to a Linux ECS?
ECS Management
How Can a Changed Static Hostname Take Effect Permanently?
Is an ECS Hostname with Suffix .novalocal Normal?
Why Is the Hostname of My ECS Restored to the Original Name After the ECS Is Restarted?
How Can I Set Sequential ECS Names When Creating Multiple ECSs?
How Can I Modify ECS Specifications?
Why Do the Disks of a Windows ECS Go Offline After I Modify the ECS Specifications?
Why Does the Disk Attachment of a Linux ECS Fail After I Modify the ECS Specifications?
How Do I Handle Error Messages Displayed on the Management Console?
How Can I Recover a Windows ECS with an Abnormal Virtualization Driver?
Why Is My Windows ECS Muted?
How Do I Change an ECS SID?
Why Does a Pay-per-Use ECS Fail to Be Started?
OS Management
Does OS Change Incur Fees?
Can I Install or Upgrade the OS of an ECS?
Can I Change the OS of an ECS?
How Long Does It Take to Change an ECS OS?
Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
Does OS Reinstallation Incur Fees?
Can I Select Another OS During ECS OS Reinstallation?
How Long Does It Take to Reinstall an ECS OS?
Do ECSs Support GUI?
How Can I Install a GUI on an ECS Running CentOS 6?
How Can I Install a GUI on an ECS Running CentOS 7?
How Can I Install a GUI on an ECS Running Ubuntu?
How Can I Install a GUI on an ECS Running Debian?
Why Does the OS Fail to Respond When kdump Occurs on a Linux ECS?
How Can I Upgrade the Kernel of a Linux ECS?
Why Cannot My ECS OS Start Properly?
How Can I Enable SELinux on an ECS Running CentOS?
Why Does a Forcibly-Stopped Linux ECS Fail to Be Restarted?
How Do I View the GPU Usage of a GPU-accelerated ECS?
File Upload/Data Transfer
How Do I Upload Files to My ECS?
How Can I Transfer Files from a Local Windows Computer to a Windows ECS?
How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS?
How Can I Transfer Files from a Local Mac to a Windows ECS?
How Can I Use SCP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Use SFTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS?
How Can I Use FTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Transfer Data Between a Local Computer and a Windows ECS?
What Should I Do If the Connection Between the Client and the Server Times Out When I Upload a File Using FTP?
What Should I Do If Writing Data Failed When I Upload a File Using FTP?
Why Does Internet Access to an ECS Deployed with FTP Fail?
Why Am I Seeing an FTP Folder Error When I Open a Folder on an FTP Server?
Why Do I Fail to Connect to a Linux ECS Using WinSCP?
ECS Migration
Can I Migrate an ECS to Another Region or Account?
Disk Management
Why Can't I Find My Newly Purchased Data Disk After I Log In to My Windows ECS?
How Can I Adjust System Disk Partitions?
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS?
How Can I Enable Virtual Memory on a Windows ECS?
Why Is the Memory of an ECS Obtained by Running the free Command Inconsistent with the Actual Memory?
How Can I Add the Empty Partition of an Expanded System Disk to the End Root Partition Online?
How Can I Add the Empty Partition of an Expanded System Disk to the Non-end Root Partition Online?
Can I Attach Multiple Disks to an ECS?
What Are the Requirements for Attaching an EVS Disk to an ECS?
Which ECSs Can Be Attached with SCSI EVS Disks?
How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
What Should I Do If Attaching a Disk to a Windows ECS Failed But There Are Still Available Device Names?
Why Does a Linux ECS with a SCSI Disk Attached Fails to Be Restarted?
How Can I Check Whether the ECSs Attached with the Same Shared SCSI Disk Are in the Same ECS Group?
Can All Users Use the Encryption Feature?
How Can I Add an ECS with Local Disks Attached to an ECS Group?
Will My EVS Disk Be Deleted When I Delete Its Server?
Why Does a Disk Attached to a Windows ECS Go Offline?
Why Does the Disk Drive Letter Change After the ECS Is Restarted?
How Can I Obtain Data Disk Information If Tools Are Uninstalled?
How Can I Rectify the Fault That May Occur on a Linux ECS with an NVMe SSD Disk Attached?
Why Is the Device Name of My C6 ECS in the sd* Format?
Why Are Disk Error Logs Printed After a Disk Attached to an ECS Is Formatted with the ext4 File System?
Passwords and Key Pairs
How Can I Change the Password for Logging In to a Linux ECS?
What Is the Default Password for Logging In to a Linux ECS?
How Can I Set the Validity Period of the Image Password?
Changing the Login Password on an ECS
What Should I Do If the System Displays a Message Indicating that the Password Is Incorrect When I Remotely Log In to My ECS?
What Should I Do If I Cannot Log In to My ECS Using the Initial Password After I Use It for a Period of Time?
Disabling SELinux
How Can I Obtain the Key Pair Used by My ECS?
How Can I Use a Key Pair?
What Should I Do If a Key Pair Cannot Be Imported?
Why Does the Login to My Linux ECS Using a Key File Fail?
What Should I Do If I Cannot Download a Key Pair?
Why Does a Key Pair Created Using puttygen.exe Fail to Be Imported on the Management Console?
What Is the cloudbase-init Account in Windows ECSs Used for?
What Should I Do If Cloud-Init Does Not Work After Python Is Upgraded?
Network Configurations
Can Multiple EIPs Be Bound to an ECS?
Can an ECS Without an EIP Bound Access the Internet?
Why Can't an EIP Be Pinged?
Why Can I Remotely Access an ECS But Cannot Ping It?
How Do I Query the Egress Public IP Address of My ECS?
How Can I Configure the NTP and DNS Servers for an ECS?
What Should I Do If NIC Flapping Occurs After My ECS Specifications Are Modified?
Will NICs Added to an ECS Start Automatically?
How Do I Change the CIDR Block of an ECS Subnet?
How Can I Check Whether the Network Communication Is Normal Between Two ECSs Equipped with an InfiniBand NIC Driver?
How Can I Manually Configure an IP Address for an InfiniBand NIC?
Why Is the NIC Not Working?
How Can I Handle the Issue that a Windows 7 ECS Equipped with an Intel 82599 NIC Reports an Error in SR-IOV Scenarios?
How Can I Add a Static Route to a CentOS 6.5 OS?
Why Can't My Linux ECS Obtain Metadata?
Why Can't My Windows ECS Access the Internet?
Why Does My Linux ECS Fail to Access the Internet?
How Do I Troubleshoot an Unresponsive Website Hosted on My ECS?
Why Did I See "Invalid argument" or "neighbour table overflow" During an Access to a Linux ECS?
How Can I Obtain the MAC Address of My ECS?
How Can I Test Network Performance?
Why Can't I Use DHCP to Obtain a Private IP Address?
How Can I View and Modify Kernel Parameters of a Linux ECS?
How Can I Configure Port Redirection?
Can the ECSs of Different Accounts Communicate over an Intranet?
Will ECSs That I Purchased Deployed in the Same Subnet?
Security Configurations
Are ECSs with Simple Passwords Easily Attacked?
How Is ECS Security Ensured?
How Can I Disable Operation Protection?
Resource Management and Tags
How Can I Create and Delete Tags and Search for ECSs by Tag?
Resource Monitoring
Why Is My Windows ECS Running Slowly?
Why Is My Linux ECS Running Slowly?
Database Applications
Can a Database Be Deployed on an ECS?
Does an ECS Support Oracle Databases?
What Should I Do If a Msg 823 Error Occurs in Oracle, MySQL, or SQL Server System Logs After a Disk Initialization Script Is Executed?
Change History
API Reference (ME-Abu Dhabi Region)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
Selecting an API Type or Version
Querying Data in Pages
API Overview
Calling APIs
Making an API Request
Authentication
Response
APIs (Recommended)
Lifecycle Management
Creating an ECS
Deleting ECSs
Querying Details About an ECS
Querying Details About ECSs
Modifying an ECS
Status Management
Reinstalling an ECS OS (Using an Image with Cloud-Init Installed)
Changing an ECS OS (Using an Image with Cloud-Init Installed)
Reinstalling an ECS OS (Using an Image Without Cloud-Init Installed)
Changing an ECS OS (Using an Image Without Cloud-Init Installed)
Querying Automatic Recovery of an ECS
Managing Automatic Recovery of an ECS
Cold Migrating an ECS
Obtaining the VNC Login Address
Modifying the Specifications of an ECS (V1.1)
Modifying the Specifications of an ECS
Adding an ECS to the Monitoring List
Batch Operations
Starting ECSs in a Batch
Restarting ECSs in a Batch
Stopping ECSs in a Batch
Modifying ECSs in a Batch
Attaching a Specified Shared EVS Disk to Multiple ECSs
Flavor Management
Querying Details About Flavors and Extended Flavor Information
Querying the Target ECS Flavors to Which a Flavor Can Be Changed
NIC Management
Adding NICs to an ECS in a Batch
Deleting NICs from an ECS in a Batch
Binding a Virtual IP Address to an ECS NIC
Unbinding a Virtual IP Address from an ECS NIC
Querying NICs of an ECS
Disk Management
Querying a Single Disk Attached to an ECS
Querying Disk Attachments of an ECS
Querying Information About Disks Attached to an ECS
Attaching a Disk to an ECS
Detaching an EVS Disk from an ECS
Metadata Management
Updating ECS Metadata
Deleting Specified ECS Metadata
Tenant Quota Management
Querying Tenant Quotas
Task Status Management
Querying Task Execution Status
Password Management
Obtaining the Password for Logging In to an ECS
Deleting the Password for Logging In to an ECS
ECS Group Management
Creating an ECS Group
Deleting an ECS Group
Adding an ECS to an ECS Group
Removing an ECS from an ECS Group
OpenStack Nova APIs
API Version Query
Querying All API Versions
Querying a Specified API Version
Lifecycle Management
Creating an ECS
Modifying ECS Information
Deleting an ECS
Querying ECSs
Querying Details About ECSs
Querying Details About ECSs
Status Management
Starting an ECS
Restarting an ECS
Stopping an ECS
Locking an ECS
Unlocking an ECS
Creating an Image Using an ECS
Modifying the Specifications of an ECS
Confirming ECS Specifications Modification
Rolling Back ECS Specifications Modification
Network Management
Querying Networks
Querying the Networks of a Specified ECS
Querying the Specified Network of an ECS
Security Group Management
Adding a Security Group
Deleting a Security Group
Querying Security Groups for a Specified ECS
Flavor Management
Querying ECS Flavors
Querying Details About ECS Flavors
Querying Details About an ECS Flavor
Querying the extra_specs Value for an ECS Flavor
NIC Management
Querying ECS NICs
Querying NICs of an ECS
Adding a NIC to an ECS
Deleting a NIC from an ECS
Disk Management
Querying Disks Attached to an ECS
Querying a Disk Attached to an ECS
Attaching a Disk to an ECS
Detaching a Disk from an ECS
Metadata Management
Updating ECS Metadata
Configuring ECS Metadata
Deleting Specified ECS Metadata
Querying ECS Metadata
Obtaining ECS Metadata with a Specified Key
Modifying ECS Metadata with a Specified Key
Tenant Quota Management
Querying Tenant Quota Limits
Querying Tenant Quotas
Querying Default Quotas
Key and Password Management
Querying SSH Key Pairs
Querying a Specified SSH Key Pair
Creating and Importing an SSH Key Pair
Deleting an SSH Key Pair
Obtaining the Password for Logging In to an ECS
Deleting the Password for Logging In to an ECS
ECS Group Management
Creating an ECS Group
Querying ECS Groups
Querying Details About an ECS Group
Deleting an ECS Group
ECS Operation Management
Querying Operations on an ECS
Querying ECS Operations by Request ID
ECS Console Management
Obtaining ECS Management Console Logs
Obtaining a VNC-based Remote Login Address (Microversion 2.6 or Later)
AZ
Querying AZs
Tag Management
Querying Tags of an ECS
Adding Tags to an ECS
Deleting Tags from an ECS
Adding a Tag to an ECS
Querying a Specified Tag for an ECS
Deleting a Specified Tag from an ECS
Historical Versions
Application Examples
Creating an ECS
Data Structure
Data Structure for Creating ECSs
Data Structure for Querying Details About ECSs
Data Structure for Query Details About Specifications
Permissions Policies and Supported Actions
Introduction
Lifecycle Management
ECS Status Management
Batch Operations
Network Management
Image Management
Security Group Management
Specifications Query
NIC Management
Disk Management
Metadata Management
Tenant Quota Management
SSH Key Management
Password Management
Floating IP Address Management
ECS Group Management
ECS Management Through Console
AZ Management
Tag Management
Common Parameters
Returned Values for General Requests
Obtaining a Project ID
Task Request Result
Responses (Task)
Returned Values
Batch Task Request
Responses (Batch Operation)
Out-of-Date APIs
Image Management (OpenStack Nova APIs)
Querying Images (Discarded)
Querying Image Details (Discarded)
Querying Details About a Specified Image (Discarded)
Querying the Metadata of a Specified Image (Discarded)
Deleting an Image (Discarded)
Security Group Management (OpenStack Nova APIs)
Querying Security Groups (Discarded)
Creating a Security Group (Discarded)
Querying Details About a Security Group (Discarded)
Updating a Security Group (Discarded)
Deleting a Security Group (Discarded)
Creating a Security Group Rule (Discarded)
Deleting a Security Group Rule (Discarded)
Disk Management (OpenStack Nova APIs)
Querying Brief Information About Disks (Discarded)
Querying Detailed Information About Disks (Discarded)
Querying Information About a Disk (Discarded)
Creating a Disk (Discarded)
Deleting a Disk (Discarded)
Floating IP Address Management (OpenStack Nova APIs)
Binding a Floating IP Address (Discarded)
Unbinding a Floating IP Address (Discarded)
Assigning a Floating IP Address (Discarded)
Querying Floating IP Addresses (Discarded)
Querying Details About a Floating IP Address (Discarded)
Releasing a Floating IP Address (Discarded)
Querying Floating IP Address Pools (Discarded)
Snapshot Management (OpenStack Nova APIs)
Creating a Snapshot (Discarded)
Querying Snapshots (Discarded)
Deleting a Snapshot (Discarded)
Appendix
HTTP Status Codes
Error Codes
ECS Statuses
Network APIs
Change History
User Guide (Paris and Amsterdam Regions)
Service Overview
What Is ECS?
ECS Advantages
ECS Application Scenarios
Notes and Constraints on Using ECSs
ECS and Other Services
Instances
Overview
ECS Lifecycle
ECS Types
ECS Specifications and Types
General-Purpose ECSs
Dedicated General-Purpose ECSs
Computing II ECSs
Memory-optimized ECSs
Disk-intensive ECSs
Ultra-high I/O ECSs
High-Performance Computing ECSs
GPU-accelerated ECSs
Images
Image Types
Cloud-Init
EVS Disks
Network
Security
License Type
User Permissions
Region and AZ
Getting Started
Creating an ECS
Overview
Step 1: Configure Basic Settings
Step 2: Configure Network
Step 3: Configure Advanced Settings
Step 4: Confirm
Logging In to an ECS
Initializing EVS Data Disks
Scenarios and Disk Partitions
Initializing a Windows Data Disk (Windows Server 2008)
Initializing a Windows Data Disk (Windows Server 2019)
Initializing a Linux Data Disk (fdisk)
Initializing a Linux Data Disk (parted)
Initializing a Windows Data Disk Larger Than 2 TB (Windows Server 2008)
Initializing a Windows Data Disk Larger Than 2 TB (Windows Server 2012)
Initializing a Linux Data Disk Larger Than 2 TB (parted)
Instances
Viewing ECS Information
Viewing ECS Creation Statuses
Viewing Details About an ECS
Exporting ECS Information
Logging In to a Windows ECS
Login Overview
Login Using VNC
Login Using MSTSC
Logging In to a Windows ECS from a Linux Computer
Logging In to a Linux ECS
Login Overview
Login Using VNC
Login Using an SSH Key
Managing ECSs
Reinstalling the OS
Changing the OS
Managing ECS Groups
Changing the Time Zone for an ECS
Modifying ECS vCPU and Memory Specifications
General Operations for Modifying Specifications
Changing a Xen ECS to a KVM ECS (Windows)
Automatically Changing a Xen ECS to a KVM ECS (Linux)
Manually Changing a Xen ECS to a KVM ECS (Linux)
Migrating an ECS
Obtaining Metadata and Passing User Data
Obtaining Metadata
Passing User Data to ECSs
(Optional) Configuring Mapping Between Hostnames and IP Addresses
(Optional) Installing a Driver and Toolkit
GPU Driver
Installing a GRID Driver on a GPU-accelerated ECS
Installing a Tesla Driver and CUDA Toolkit on a GPU-accelerated ECS
Obtaining a Tesla Driver and CUDA Toolkit
Images
Overview
Creating an Image
EVS Disks
Adding a Disk to an ECS
Attaching an EVS Disk to an ECS
Detaching an EVS Disk from a Running ECS
Expanding the Capacity of an EVS Disk
Expanding the Local Disks of a Disk-intensive ECS
CBR
Overview
Backing Up ECS Data
NICs
Adding a NIC
Deleting a NIC
Changing a VPC
Managing Virtual IP Addresses
Enabling NIC Multi-Queue
EIPs
Binding an EIP
Unbinding an EIP
Changing an EIP Bandwidth
Enabling Internet Connectivity for an ECS Without an EIP
Security
Security Groups
Overview
Default Security Group and Rules
Security Group Configuration Examples
Configuring Security Group Rules
Changing a Security Group
Passwords and Key Pairs
Passwords
Resetting the Password for Logging In to a Windows ECS
Resetting the Password for Logging In to a Linux ECS
Key Pairs
Application Scenarios for Using Key Pairs
(Recommended) Creating a Key Pair on the Management Console
Creating a Key Pair Using PuTTYgen
Importing a Key Pair
Obtaining and Deleting the Password of an Windows ECS
Obtaining the Password for Logging In to a Windows ECS
Deleting the Initial Password for Logging In to a Windows ECS
Resources and Tags
Tag Management
Overview
Adding Tags
Searching for Resources by Tag
Deleting a Tag
Quota Adjustment
Monitoring
Monitoring ECSs
Basic ECS Metrics
OS Monitoring Metrics Supported by ECSs with the Agent Installed
Setting Alarm Rules
Viewing ECS Metrics
CTS
Key Operations Supported by CTS
Viewing Audit Logs
Troubleshooting
What Can I Do If Switching from a Non-root User to User root Times Out?
What Should I Do If Error "command ´gcc´ failed with exit status 1" Occurs During PIP-based Software Installation
What Should I Do If Packages Are Downloaded Using PIP or wget at a Low Rate?
How Can I Handle Slow ECS Startup?
FAQs
ECS Overview
What Are the Precautions for Using ECSs?
What Can I Do with ECSs?
Billing
What Are ECS Billing Modes?
Will ECSs Continue to Be Billed After They are Stopped?
How Can I Stop an ECS from Being Billed?
Creation and Deletion
Why Does the Failures Area Show an ECS Creation Failure But the ECS List Displays the Created ECS?
Why Does It Take Longer to Create ECSs When I Use a Full-ECS Image?
How Quickly Can I Obtain an ECS?
What Happens After I Click the Delete Button?
Can a Deleted ECS Be Provisioned Again?
Can I Forcibly Restart or Stop an ECS?
Login and Connection
Why Are Characters Entered Through VNC Still Incorrect After the Keyboard Language Is Switched?
Why Cannot I Use the French Keyboard to Enter Characters When I Log In to an ECS Using VNC?
What Should I Do If the Page Does not Respond After I Log In to an ECS Using VNC and Do Not Perform Any Operation for a Long Period of Time?
What Should I Do If I Cannot View Data After Logging In to an ECS Using VNC?
Why Does a Blank Screen Appear While the System Displays a Message Indicating Successful Authentication After I Attempted to Log In to an ECS Using VNC?
How Can I Change a Remote Login Port?
Why Can't I Obtain the Password for Logging In to My Windows ECS Authenticated Using a Key Pair?
What Browser Version Is Required to Remotely Log In to an ECS?
How Can I Log In to an ECS After Its System Disk Is Exchanged with That Attached to Another ECS Running the Same OS?
Why Does the System Display a Message Indicating that the Password for Logging In to a Windows ECS Cannot Be Viewed?
Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?
Why Can't I Use the Local Computer to Connect to My Windows ECS?
How Can I Obtain the Permission to Remotely Log In to a Windows ECS?
Why Does the System Display No Remote Desktop License Servers Available to Provide a License When I Log In to a Windows ECS?
Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS?
Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS?
Why Does the System Display Error Code 122.112.. When I Log In to a Windows ECS?
Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac?
Why Is My Remote Session Interrupted by a Protocol Error?
Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?
Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS?
Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS?
Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?
Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed?
Why Am I Seeing the Error Message "Module is unknown" When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "read: Connection reset by peer" Is Displayed When I Remotely Log In to a Linux ECS?
Why Am I Seeing the Error Message "Access denied" When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "Disconnected: No supported authentication methods available" Is Displayed When I Remotely Log In to a Linux ECS?
ECS Management
How Can a Changed Static Hostname Take Effect Permanently?
Is an ECS Hostname with Suffix .novalocal Normal?
What Should I Do If Executing a Driver Installation Script Failed on an ECS Running CentOS 5?
What Should I Do If Executing a Driver Installation Script Failed When I Attempted to Modify the Specifications of a Linux ECS?
Why Do the Disks of a Windows ECS Go Offline After I Modify the ECS Specifications?
Why Does the Disk Attachment of a Linux ECS Fail After I Modify the ECS Specifications?
How Do I Handle Error Messages Displayed on the Management Console?
OS Management
Can I Install or Upgrade the OS of an ECS?
Can I Change the OS of an ECS?
How Long Does It Take to Change an ECS OS?
Can I Select Another OS During ECS OS Reinstallation?
How Long Does It Take to Reinstall an ECS OS?
File Upload/Data Transfer
How Do I Upload Files to My ECS?
How Can I Transfer Files from a Local Windows Computer to a Windows ECS?
How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS?
How Can I Transfer Files from a Local Mac to a Windows ECS?
How Can I Use SCP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Use SFTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS?
How Can I Use FTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
What Should I Do If the Connection Between the Client and the Server Times Out When I Upload a File Using FTP?
What Should I Do If Writing Data Failed When I Upload a File Using FTP?
Why Am I Seeing an FTP Folder Error When I Open a Folder on an FTP Server?
Why Do I Fail to Connect to a Linux ECS Using WinSCP?
ECS Migration
Can I Migrate an ECS to Another Region or Account?
Disk Management
What Should I Do If the Data Disk Attached a Windows ECS Is Unavailable?
How Can I Adjust System Disk Partitions?
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS?
How Can I Enable Virtual Memory on a Windows ECS?
Why Is the Memory of an ECS Obtained by Running the free Command Inconsistent with the Actual Memory?
How Can I Add the Empty Partition of an Expanded System Disk to the End Root Partition Online?
How Can I Add the Empty Partition of an Expanded System Disk to the Non-end Root Partition Online?
Can I Attach Multiple Disks to an ECS?
What Are the Requirements for Attaching an EVS Disk to an ECS?
Which ECSs Can Be Attached with SCSI EVS Disks?
How Do I Obtain My Disk Name in the ECS OS Using the Device Identifier Provided on the Console?
Why Does a Linux ECS with a SCSI Disk Attached Fails to Restart?
Can All Users Use the Encryption Feature?
Why Does a Disk Attached to a Windows ECS Go Offline?
Why Does the Disk Drive Letter Change After the ECS Is Restarted?
How Can I Obtain Data Disk Information If Tools Are Uninstalled?
Passwords and Key Pairs
How Can I Set the Validity Period of the Image Password?
How Can I Obtain the Key Pair Used by an ECS?
What Should I Do If a Key Pair Cannot Be Imported?
Why Does the Login to My Linux ECS Using a Key File Fail?
Why Does a Key Pair Created Using puttygen.exe Fail to Be Imported on the Management Console?
What Is the cloudbase-init Account in Windows ECSs Used for?
What Should I Do If Cloud-Init Does Not Work After Python Is Upgraded?
Network Configurations
Can Multiple EIPs Be Bound to an ECS?
Can an ECS Without an EIP Bound Access the Internet?
Why Can't an EIP Be Pinged?
Why Can I Remotely Access an ECS But Cannot Ping It?
How Can I Configure the NTP and DNS Servers for an ECS?
Will NICs Added to an ECS Start Automatically?
Why Is the NIC Not Working?
How Can I Handle the Issue that a Windows 7 ECS Equipped with an Intel 82599 NIC Reports an Error in SR-IOV Scenarios?
Why Can't My Linux ECS Obtain Metadata?
How Can I Obtain the MAC Address of My ECS?
How Can I Test Network Performance?
Why Can't I Use DHCP to Obtain a Private IP Address?
How Can I View and Modify Kernel Parameters of a Linux ECS?
How Can I Configure Port Redirection?
Can the ECSs of Different Accounts Communicate over an Intranet?
Will ECSs That I Purchased Deployed in the Same Subnet?
Resource Management and Tags
How Can I Create and Delete Tags and Search for ECSs by Tag?
Resource Monitoring
Why Is My Windows ECS Running Slowly?
Why Is My Linux ECS Running Slowly?
Database Applications
Can a Database Be Deployed on an ECS?
Does an ECS Support Oracle Databases?
Change History
API Reference (Paris and Amsterdam Regions)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
Selecting an API Type or Version
API Overview
Calling APIs
Making an API Request
Authentication
Response
APIs (Recommended)
Lifecycle Management
Creating an ECS
Deleting ECSs
Status Management
Reinstalling an ECS OS (Using an Image with Cloud-Init Installed)
Changing an ECS OS (Using an Image with Cloud-Init Installed)
Cold Migrating an ECS
Modifying the Specifications of an ECS
Adding an ECS to the Monitoring List
Batch Operations
Starting ECSs in a Batch
Restarting ECSs in a Batch
Stopping ECSs in a Batch
Flavor Management
Querying Details About Flavors and Extended Flavor Information
NIC Management
Adding NICs to an ECS in a Batch
Deleting NICs from an ECS in a Batch
Disk Management
Attaching a Disk to an ECS
Detaching an EVS Disk from an ECS
Querying Disk Attachment of an ECS
Querying a Single Disk Attached to an ECS
Tenant Quota Management
Querying Tenant Quotas
Task Status Management
Querying Task Execution Status
Tag Management
Tag Types
Querying ECSs by Tag
Adding Tags to an ECS in a Batch
Deleting Tags from an ECS in a Batch
Querying Project Tags
Querying Tags of an ECS
OpenStack Nova APIs
API Version Query
Querying All API Versions
Querying a Specified API Version
Lifecycle Management
Creating an ECS
Modifying ECS Information
Deleting an ECS
Querying ECSs
Querying Details About ECSs
Querying Details About ECSs
Status Management
Starting an ECS
Restarting an ECS
Stopping an ECS
Locking an ECS
Unlocking an ECS
Rebuilding an ECS
Creating an Image Using an ECS
Modifying the Specifications of an ECS
Confirming ECS Specifications Modification
Rolling Back ECS Specifications Modification
Network Management
Querying Networks
Querying the Networks of a Specified ECS
Querying the Specified Network of an ECS
Security Group Management
Adding a Security Group
Deleting a Security Group
Querying Security Groups for a Specified ECS
Flavor Management
Querying ECS Flavors
Querying Details About ECS Flavors
Querying Details About an ECS Flavor
Querying the extra_specs Value for an ECS Flavor
NIC Management
Querying ECS NICs
Querying NICs of an ECS
Adding a NIC to an ECS
Deleting a NIC from an ECS
Disk Management
Querying Disks Attached to an ECS
Querying a Disk Attached to an ECS
Attaching a Disk to an ECS
Detaching a Disk from an ECS
Metadata Management
Updating ECS Metadata
Configuring ECS Metadata
Deleting Specified ECS Metadata
Querying ECS Metadata
Obtaining ECS Metadata with a Specified Key
Modifying ECS Metadata with a Specified Key
Tenant Quota Management
Querying Tenant Quota Limits
Querying Tenant Quotas
Querying Default Quotas
Key and Password Management
Querying SSH Key Pairs
Querying a Specified SSH Key Pair
Creating and Importing an SSH Key Pair
Deleting an SSH Key Pair
Obtaining the Password for Logging In to an ECS
Deleting the Password for Logging In to an ECS
ECS Group Management
Creating an ECS Group
Querying ECS Groups
Querying Details About an ECS Group
Deleting an ECS Group
ECS Operation Management
Querying Operations on an ECS
Querying ECS Operations by Request ID
ECS Console Management
Obtaining ECS Management Console Logs
Tag Management
Querying Tags of an ECS
Adding Tags to an ECS
Deleting Tags from an ECS
Adding a Tag to an ECS
Querying a Specified Tag for an ECS
Deleting a Specified Tag from an ECS
Historical Versions
Application Examples
Creating an ECS
Data Structure
Data Structure for Creating ECSs
Data Structure for Querying Details About ECSs
Data Structure for Query Details About Specifications
Permissions Policies and Supported Actions
Lifecycle Management
ECS Status Management
Batch Operations
Network Management
Image Management
Security Group Management
Specifications Query
NIC Management
Disk Management
Metadata Management
Tenant Quota Management
SSH Key Management
Password Management
Floating IP Address Management
ECS Group Management
Tag Management
Common Parameters
Returned Values for General Requests
Obtaining a Project ID
Task Request Result
Responses (Task)
Returned Values
Batch Task Request
Responses (Batch Operation)
Out-of-Date APIs
Status Management
Querying Automatic Recovery of an ECS (Discarded)
Managing Automatic Recovery of an ECS (Discarded)
Image Management (OpenStack Nova APIs)
Querying Images (Discarded)
Querying Image Details (Discarded)
Querying Details About a Specified Image (Discarded)
Querying the Metadata of a Specified Image (Discarded)
Deleting an Image (Discarded)
Security Group Management (OpenStack Nova APIs)
Querying Security Groups (Discarded)
Creating a Security Group (Discarded)
Querying Details About a Security Group (Discarded)
Updating a Security Group (Discarded)
Deleting a Security Group (Discarded)
Creating a Security Group Rule (Discarded)
Deleting a Security Group Rule (Discarded)
Disk Management (OpenStack Nova APIs)
Querying Brief Information About Disks (Discarded)
Querying Detailed Information About Disks (Discarded)
Querying Information About a Disk (Discarded)
Creating a Disk (Discarded)
Deleting a Disk (Discarded)
Floating IP Address Management (OpenStack Nova APIs)
Binding a Floating IP Address (Discarded)
Unbinding a Floating IP Address (Discarded)
Assigning a Floating IP Address (Discarded)
Querying Floating IP Addresses (Discarded)
Querying Details About a Floating IP Address (Discarded)
Releasing a Floating IP Address (Discarded)
Querying Floating IP Address Pools (Discarded)
Snapshot Management (OpenStack Nova APIs)
Creating a Snapshot (Discarded)
Querying Snapshots (Discarded)
Deleting a Snapshot (Discarded)
Appendix
HTTP Status Codes
Error Codes
ECS Statuses
Network APIs
Change History
User Guide (Kuala Lumpur Region)
Service Overview
What Is ECS?
ECS Advantages
ECS Application Scenarios
Notes and Constraints on Using ECSs
ECS and Other Services
Instances
Overview
ECS Lifecycle
ECS Types
ECS Specifications and Types
General-Purpose ECSs
General Computing-plus ECSs
Memory-optimized ECSs
Large-Memory ECSs
GPU-accelerated ECSs
Images
Image Types
Cloud-Init
EVS Disks
CBR
Network
Security
User Encryption
Permissions Management
Region and AZ
Getting Started
Creating an ECS
Overview
Step 1: Configure Basic Settings
Step 2: Configure Network
Step 3: Configure Advanced Settings
Step 4: Confirm
Logging In to an ECS
Initializing EVS Data Disks
Scenarios and Disk Partitions
Initializing a Windows Data Disk (Windows Server 2008)
Initializing a Windows Data Disk (Windows Server 2019)
Initializing a Linux Data Disk (fdisk)
Initializing a Linux Data Disk (parted)
Initializing a Windows Data Disk Larger Than 2 TB (Windows Server 2008)
Initializing a Windows Data Disk Larger Than 2 TB (Windows Server 2012)
Initializing a Linux Data Disk Larger Than 2 TB (parted)
Instances
Creating an ECS
Creating the Same ECS
Viewing ECS Information
Viewing ECS Creation Statuses
Viewing Failures
Viewing Details About an ECS
Exporting ECS Information
Logging In to a Windows ECS
Login Overview
Login Using VNC
Login Using MSTSC
Logging In to a Windows ECS from a Linux Computer
Logging In to a Windows ECS from a Mobile Terminal
Logging In to Windows ECS from a Mac
Logging In to a Linux ECS
Login Overview
Login Using VNC
Login Using an SSH Key
Login Using an SSH Password
Logging In to a Linux ECS from a Mobile Terminal
Logging In to a Linux ECS from a macOS Computer
Managing ECSs
Changing an ECS Name
Reinstalling the OS
Changing the OS
Managing ECS Groups
Changing the Time Zone for an ECS
Modifying ECS vCPU and Memory Specifications
General Operations for Modifying Specifications
Obtaining Metadata and Passing User Data
Obtaining Metadata
Passing User Data to ECSs
(Optional) Configuring Mapping Between Hostnames and IP Addresses
(Optional) Installing a Driver and Toolkit
GPU Driver
Installing a GRID Driver on a GPU-accelerated ECS
Installing a Tesla Driver and CUDA Toolkit on a GPU-accelerated ECS
Obtaining a Tesla Driver and CUDA Toolkit
Images
Overview
Creating an Image
EVS Disks
Adding a Disk to an ECS
Attaching an EVS Disk to an ECS
Detaching an EVS Disk from a Running ECS
Expanding the Capacity of an EVS Disk
Expanding the Local Disks of a Disk-intensive ECS
Enabling Advanced Disk
CBR
Overview
Backing Up ECS Data
NICs
Adding a NIC
Deleting a NIC
Changing a VPC
Modifying a Private IP Address
Managing Virtual IP Addresses
Enabling NIC Multi-Queue
Dynamically Assigning IPv6 Addresses
EIPs
Binding an EIP
Unbinding an EIP
Changing an EIP
Changing an EIP Bandwidth
Enabling Internet Connectivity for an ECS Without an EIP
Security
Security Groups
Overview
Default Security Group and Rules
Security Group Configuration Examples
Configuring Security Group Rules
Changing a Security Group
Passwords and Key Pairs
Passwords
Application Scenarios for Using Passwords
Changing the Login Password on an ECS
Resetting the Password for Logging In to a Windows ECS
Resetting the Password for Logging In to a Linux ECS
Key Pairs
Application Scenarios for Using Key Pairs
(Recommended) Creating a Key Pair on the Management Console
Creating a Key Pair Using PuTTYgen
Importing a Key Pair
Obtaining and Deleting the Password of an Windows ECS
Obtaining the Password for Logging In to a Windows ECS
Deleting the Initial Password for Logging In to a Windows ECS
Permissions Management
Creating a User and Granting ECS Permissions
ECS Custom Policies
Resources
Quota Adjustment
Monitoring
Monitoring ECSs
Basic ECS Metrics
OS Monitoring Metrics Supported by ECSs with the Agent Installed
Setting Alarm Rules
Viewing ECS Metrics
CTS
Supported CTS Operations
Viewing Audit Logs
FAQs
ECS Overview
What Are the Precautions for Using ECSs?
What Can I Do with ECSs?
Can ECSs Automatically Recover After the Physical Host Accommodating the ECSs Becomes Faulty?
Creation and Deletion
Why Does the Failures Area Show an ECS Creation Failure But the ECS List Displays the Created ECS?
Why Does It Take Longer to Create ECSs When I Use a Full-ECS Image?
How Quickly Can I Obtain an ECS?
What Happens After I Click the Delete Button?
Can a Deleted ECS Be Provisioned Again?
Can a Deleted ECS Be Restored?
Can I Forcibly Restart or Stop an ECS?
Login and Connection
Why Cannot I Use the Account Used to Create a GPU-accelerated ECS to Log In to the ECS Through SSH?
Why Are Garbled Characters Displayed When I Log In to My ECS Using VNC?
What Should I Do If the Page Does not Respond After I Log In to an ECS Using VNC and Do Not Perform Any Operation for a Long Period of Time?
What Should I Do If I Cannot View Data After Logging In to an ECS Using VNC?
Why Does a Blank Screen Appear While the System Displays a Message Indicating Successful Authentication After I Attempted to Log In to an ECS Using VNC?
What Should I Do If Error Code 1006 or 1000 Is Displayed When I Log In to an ECS Through the Management Console?
Why No Audio File Can Be Properly Played on My Windows ECS Logged In Using VNC?
How Can I Change the Resolution of a Windows ECS?
What Should I Do If I Cannot Use MSTSC to Log In to an ECS Running the Windows Server 2012 OS?
How Can I Change a Remote Login Port?
Why Can't I Obtain the Password for Logging In to My Windows ECS Authenticated Using a Key Pair?
What Browser Version Is Required to Remotely Log In to an ECS?
Why Does the System Display a Message Indicating that the Password for Logging In to a Windows ECS Cannot Be Viewed?
Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?
Why Can't I Use the Local Computer to Connect to My Windows ECS?
How Can I Obtain the Permission to Remotely Log In to a Windows ECS?
Why Does the System Display No Remote Desktop License Servers Available to Provide a License When I Log In to a Windows ECS?
Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS?
Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS?
Why Does the System Display Error Code 122.112.. When I Log In to a Windows ECS?
Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac?
Why Is My Remote Session Interrupted by a Protocol Error?
Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?
Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS?
Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS?
Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?
Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed?
Why Am I Seeing the Error Message "Module is unknown" When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "read: Connection reset by peer" Is Displayed When I Remotely Log In to a Linux ECS?
Why Am I Seeing the Error Message "Access denied" When I Remotely Log In to a Linux ECS?
What Should I Do If Error Message "Disconnected: No supported authentication methods available" Is Displayed When I Remotely Log In to a Linux ECS?
ECS Management
How Can a Changed Static Hostname Take Effect Permanently?
Is an ECS Hostname with Suffix .novalocal Normal?
Why Do the Disks of a Windows ECS Go Offline After I Modify the ECS Specifications?
Why Does the Disk Attachment of a Linux ECS Fail After I Modify the ECS Specifications?
How Do I Handle Error Messages Displayed on the Management Console?
Why Is My Purchased ECS Not Activated?
OS Management
Can I Install or Upgrade the OS of an ECS?
Can I Change the OS of an ECS?
How Long Does It Take to Change an ECS OS?
Can I Select Another OS During ECS OS Reinstallation?
How Long Does It Take to Reinstall an ECS OS?
Do ECSs Support GUI?
How Can I Install a GUI on an ECS Running CentOS 6?
How Can I Install a GUI on an ECS Running CentOS 7 or EulerOS?
How Can I Install a GUI on an ECS Running Ubuntu?
How Can I Install a GUI on an ECS Running Debian?
How Do I View the GPU Usage of a GPU-accelerated ECS?
File Upload/Data Transfer
How Do I Upload Files to My ECS?
How Can I Transfer Files from a Local Windows Computer to a Windows ECS?
How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS?
How Can I Transfer Files from a Local Mac to a Windows ECS?
How Can I Use SCP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Use SFTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS?
How Can I Use FTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
What Should I Do If the Connection Between the Client and the Server Times Out When I Upload a File Using FTP?
What Should I Do If Writing Data Failed When I Upload a File Using FTP?
Why Am I Seeing an FTP Folder Error When I Open a Folder on an FTP Server?
Why Do I Fail to Connect to a Linux ECS Using WinSCP?
ECS Migration
Can I Migrate an ECS to Another Region or Account?
Disk Management
What Should I Do If the Data Disk Attached a Windows ECS Is Unavailable?
How Can I Adjust System Disk Partitions?
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS?
How Can I Enable Virtual Memory on a Windows ECS?
Why Is the Memory of an ECS Obtained by Running the free Command Inconsistent with the Actual Memory?
How Can I Add the Empty Partition of an Expanded System Disk to the End Root Partition Online?
How Can I Add the Empty Partition of an Expanded System Disk to the Non-end Root Partition Online?
Can I Attach Multiple Disks to an ECS?
What Are the Requirements for Attaching an EVS Disk to an ECS?
Which ECSs Can Be Attached with SCSI EVS Disks?
How Do I Obtain My Disk Name in the ECS OS Using the Device Identifier Provided on the Console?
Why Does a Linux ECS with a SCSI Disk Attached Fails to Restart?
Can All Users Use the Encryption Feature?
Why Does a Disk Attached to a Windows ECS Go Offline?
Why Does the Disk Drive Letter Change After the ECS Is Restarted?
How Can I Obtain Data Disk Information If Tools Are Uninstalled?
Passwords and Key Pairs
How Can I Set the Validity Period of the Image Password?
How Can I Obtain the Key Pair Used by an ECS?
What Should I Do If a Key Pair Cannot Be Imported?
Why Does the Login to My Linux ECS Using a Key File Fail?
Why Does a Key Pair Created Using puttygen.exe Fail to Be Imported on the Management Console?
What Is the cloudbase-init Account in Windows ECSs Used for?
What Should I Do If Cloud-Init Does Not Work After Python Is Upgraded?
Network Configurations
Can I Bind Multiple EIPs to an ECS?
Can an ECS Without an EIP Access the Internet?
Why Can't an EIP Be Pinged?
Why Can I Remotely Access an ECS But Cannot Ping It?
Will NICs Added to an ECS Start Automatically?
Why Can't My Linux ECS Obtain Metadata?
How Can I Obtain the MAC Address of My ECS?
How Can I Test Network Performance?
Why Can't I Use DHCP to Obtain a Private IP Address?
How Can I View and Modify Kernel Parameters of a Linux ECS?
How Can I Configure Port Redirection?
Can the ECSs of Different Accounts Communicate over an Intranet?
Will ECSs That I Purchased Deployed in the Same Subnet?
Resource Management and Tags
How Can I Create and Delete Tags and Search for ECSs by Tag?
Resource Monitoring
Why Is My Windows ECS Running Slowly?
Why Is My Linux ECS Running Slowly?
Database Applications
Can a Database Be Deployed on an ECS?
Does an ECS Support Oracle Databases?
Change History
API Reference (Kuala Lumpur Region)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
Selecting an API Type or Version
Querying Data in Pages
API Overview
Calling APIs
Making an API Request
Authentication
Response
APIs (Recommended)
Lifecycle Management
Creating an ECS
Deleting ECSs
Querying Details About an ECS
Querying Details About ECSs
Modifying an ECS
Status Management
Reinstalling an ECS OS (Using an Image with Cloud-Init Installed)
Changing an ECS OS (Using an Image with Cloud-Init Installed)
Reinstalling an ECS OS (Using an Image Without Cloud-Init Installed)
Changing an ECS OS (Using an Image Without Cloud-Init Installed)
Cold Migrating an ECS
Obtaining the VNC Login Address
Modifying the Specifications of an ECS (V1.1)
Modifying the Specifications of an ECS
Adding an ECS to the Monitoring List
Batch Operations
Starting ECSs in a Batch
Restarting ECSs in a Batch
Stopping ECSs in a Batch
Modifying ECSs in a Batch
Attaching a Specified Shared EVS Disk to Multiple ECSs
Flavor Management
Querying Details About Flavors and Extended Flavor Information
Querying the Target ECS Flavors to Which a Flavor Can Be Changed
NIC Management
Adding NICs to an ECS in a Batch
Deleting NICs from an ECS in a Batch
Binding a Virtual IP Address to an ECS NIC
Unbinding a Virtual IP Address from an ECS NIC
Querying NICs of an ECS
Disk Management
Querying a Single Disk Attached to an ECS
Querying Disk Attachments of an ECS
Querying Information About Disks Attached to an ECS
Attaching a Disk to an ECS
Detaching an EVS Disk from an ECS
Metadata Management
Updating ECS Metadata
Deleting Specified ECS Metadata
Tenant Quota Management
Querying Tenant Quotas
Task Status Management
Querying Task Execution Status
Password Management
Obtaining the Password for Logging In to an ECS
Deleting the Password for Logging In to an ECS
ECS Group Management
Creating an ECS Group
Deleting an ECS Group
Adding an ECS to an ECS Group
Removing an ECS from an ECS Group
OpenStack Nova APIs
API Version Query
Querying All API Versions
Querying a Specified API Version
Lifecycle Management
Creating an ECS
Modifying ECS Information
Deleting an ECS
Querying ECSs
Querying Details About ECSs
Querying Details About an ECS
Status Management
Starting an ECS
Restarting an ECS
Stopping an ECS
Locking an ECS
Unlocking an ECS
Creating an Image Using an ECS
Modifying the Specifications of an ECS
Confirming ECS Specifications Modification
Rolling Back ECS Specifications Modification
Network Management
Querying Networks
Querying the Networks of a Specified ECS
Querying the Specified Network of an ECS
Security Group Management
Adding a Security Group
Deleting a Security Group
Querying Security Groups for a Specified ECS
Flavor Management
Querying ECS Flavors
Querying Details About ECS Flavors
Querying Details About an ECS Flavor
Querying the extra_specs Value for an ECS Flavor
NIC Management
Querying ECS NICs
Querying NICs of an ECS
Adding a NIC to an ECS
Deleting a NIC from an ECS
Disk Management
Querying Disks Attached to an ECS
Querying a Disk Attached to an ECS
Attaching a Disk to an ECS
Detaching a Disk from an ECS
Metadata Management
Updating ECS Metadata
Configuring ECS Metadata
Deleting Specified ECS Metadata
Querying ECS Metadata
Obtaining ECS Metadata with a Specified Key
Modifying ECS Metadata with a Specified Key
Tenant Quota Management
Querying Tenant Quota Limits
Querying Tenant Quotas
Querying Default Quotas
Key and Password Management
Querying SSH Key Pairs
Querying a Specified SSH Key Pair
Creating and Importing an SSH Key Pair
Deleting an SSH Key Pair
Obtaining the Password for Logging In to an ECS
Deleting the Password for Logging In to an ECS
ECS Group Management
Creating an ECS Group
Querying ECS Groups
Querying Details About an ECS Group
Deleting an ECS Group
ECS Operation Management
Querying Operations on an ECS
Querying ECS Operations by Request ID
ECS Console Management
Obtaining ECS Management Console Logs
Obtaining a VNC-based Remote Login Address (Microversion 2.6 or Later)
AZ
Querying AZs
Tag Management
Querying Tags of an ECS
Adding Tags to an ECS
Deleting Tags from an ECS
Adding a Tag to an ECS
Querying a Specified Tag for an ECS
Deleting a Specified Tag from an ECS
Historical Versions
Application Examples
Creating an ECS
Data Structure
Data Structure for Creating ECSs
Data Structure for Querying Details About ECSs
Data Structure for Query Details About Specifications
Permissions Policies and Supported Actions
Introduction
Lifecycle Management
ECS Status Management
Batch Operations
Network Management
Image Management
Security Group Management
Specifications Query
NIC Management
Disk Management
Metadata Management
Tenant Quota Management
SSH Key Management
Password Management
Floating IP Address Management
ECS Group Management
ECS Management Through Console
AZ Management
Tag Management
Common Parameters
Returned Values for General Requests
Obtaining a Project ID
Task Request Result
Responses (Task)
Returned Values
Batch Task Request
Responses (Batch Operation)
Out-of-Date APIs
Status Management
Querying Automatic Recovery of an ECS (Discarded)
Managing Automatic Recovery of an ECS (Discarded)
Flavor Management
Querying the Target Flavors to Which an ECS Flavor Can Be Changed (Discarded)
Disk Management
Querying Disk Attachment of an ECS (Discarded)
Querying a Single Disk Attached to an ECS (Discarded)
Image Management (OpenStack Nova APIs)
Querying Images (Discarded)
Querying Image Details (Discarded)
Querying Details About a Specified Image (Discarded)
Querying the Metadata of a Specified Image (Discarded)
Deleting an Image (Discarded)
Security Group Management (OpenStack Nova APIs)
Querying Security Groups (Discarded)
Creating a Security Group (Discarded)
Querying Details About a Security Group (Discarded)
Updating a Security Group (Discarded)
Deleting a Security Group (Discarded)
Creating a Security Group Rule (Discarded)
Deleting a Security Group Rule (Discarded)
Disk Management (OpenStack Nova APIs)
Querying Brief Information About Disks (Discarded)
Querying Detailed Information About Disks (Discarded)
Querying Information About a Disk (Discarded)
Creating a Disk (Discarded)
Deleting a Disk (Discarded)
Floating IP Address Management (OpenStack Nova APIs)
Binding a Floating IP Address (Discarded)
Unbinding a Floating IP Address (Discarded)
Assigning a Floating IP Address (Discarded)
Querying Floating IP Addresses (Discarded)
Querying Details About a Floating IP Address (Discarded)
Releasing a Floating IP Address (Discarded)
Querying Floating IP Address Pools (Discarded)
Snapshot Management (OpenStack Nova APIs)
Creating a Snapshot (Discarded)
Querying Snapshots (Discarded)
Deleting a Snapshot (Discarded)
Appendix
HTTP Status Codes
Error Codes
ECS Statuses
Network APIs
Change History
General Reference
Glossary
Service Level Agreement
White Papers
Endpoints
Permissions