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Bare Metal Server
Bare Metal Server
- What's New
- Function Overview
- Service Overview
- Getting Started
-
User Guide
- Common Operations
- Instance
- Image
-
Disk
- Disk Types
- Attaching Data Disks
-
Initializing Data Disks
- Introduction to Data Disk Initialization Scenarios and Partition Styles
- Initializing a Windows Data Disk (Windows Server 2016)
- Initializing a Linux Data Disk (fdisk)
- Initializing a Linux Data Disk (parted)
- Initializing a Windows Data Disk Greater Than 2 TB (Windows Server 2012)
- Initializing a Linux Data Disk Greater Than 2 TB (parted)
- Detaching a Disk
- Expanding Disk Capacity
- Key Pair and Password
- Network
- Security
- Resources and Tags
- Server Monitoring
-
Private Image Creation Guide
- Overview
- Preparing the Environment
-
Linux
- Software
- Tools
- Creating a Linux VM
- Installing a Linux OS on the VM
- Modifying the Boot File (UEFI Boot Mode)
-
Configuring the VM Environment
- Overview
- (Optional) Installing Basic Components
- Configuring the Network
- Configuring systemd Timeout Parameters
- Disabling the Firewall
- (Optional) Upgrading Wicked Components
- (Optional) Disabling NetworkManager
- (Optional) Deleting the Network Management Tool Plug-in
- (Optional) Deleting the Local User
- (Optional) Modifying DHCP Configuration Items
- (Optional) Configuring the GRUB Timeout
- Setting the Maximum Number of Handles to 65535.
- Upload Required Software Packages
- Installing Cloud-Init
- Configuring Cloud-Init
- Checking the Cloud-Init Status
- Modifying the Hardware Device Drivers That Boot the OS
- Installing bms-network-config
- Installing the Network Service
- Installing the SDI Driver
- Installing the Hi1822 Driver
- (Optional) Installing the IB driver
- Installing FusionServer/TaiShanServer iDrivers
- (Optional) Installing the Multipath Software
-
Performing Security Configuration
- Modifying SSH Configuration Items
- (Optional) Modifying the Network Script Permission
- (Optional) Modifying the /etc/motd Configuration Item
- Modifying Historical Record Configuration Items
- Optimizing the udev Configuration
- Optimizing SELinux
- Uninstalling denyhosts
- (Optional) Setting Automatic Hostname Update
- (Optional) Installing Common O&M Tools
- (Optional) Setting the Password Validity Period
-
Configuring Remote Login to a BMS
- x86: Oracle Linux 7.3/Oracle Linux 7.4/Red Hat 7/CentOS 7.2/CentOS 7.4/CentOS 7.5/CentOS 7.6
- x86: Oracle Linux 6 series/Red Hat 6 series/CentOS 6
- x86: SUSE 11 SP4
- ARM: CentOS 7
- x86: SUSE 12/SUSE 15/CentOS 7.3/EulerOS/OpenEuler/Oracle Linux 7.2
- ARM: EulerOS/OpenEuler
- x86: Ubuntu 16.04/Ubuntu 18.04
- Arm: Ubuntu 16.04/Ubuntu 18.04
- x86: Ubuntu 14.04/Debian
- Configuring the Root Partition to Be Automatically Extended
- Installing and Upgrading Drivers and Firmware for Ascend BMSs
- Deleting Files
-
Windows
- Preparing Hardware and Software
- (Optional) Installing x86 V5 Server Drivers
- Using Dism++ to Install the VMTools Driver for an ISO File
- Generating a New ISO File
- Creating a Windows VM
- Configuring the VM Environment
- Installing Cloudbase-Init
- (Optional) Installing bms-network-config
- (Optional) Installing the SDI Driver
- Setting the Windows Time Zone
- Setting the Windows Virtual Memory
- (Optional) Configuring Automatic Windows Update
- Configuring the SID
- Stopping the VM and Obtaining the Image
- Converting the Image Format
-
FAQ
- What Can I Do If Packets from the VLAN Subinterface of bond0 of a Linux BMS Use the MAC Address of bond0 as the Source MAC Address?
- What Can I Do If IP Links Are Disconnected Due to the Incorrect Bond Port Mode Configured by the Wicked Module of SUSE 12 SP1?
- How Do I Set the BMS CPU Frequency Governor?
- What Do I Do If Cloudbase-Init Is Stopped on a Provisioned Windows BMS?
- What Can I Do If Data Cannot Be Injected into BMSs Due to cloud-init-local Failures?
- How Do I Activate a Windows BMS?
- How Do I Improve the UDP Packet Performance for x86 EulerOS 2.3?
- How Do I Verify Software Package Integrity?
- Appendix
- Change History
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- BMS APIs
- Native OpenStack Nova V2.1 APIs
- Examples
- Public Parameters
- Permissions and Supported Actions
- Appendix
- Change History
- SDK Reference
-
FAQs
-
General FAQ
- What Restrictions Are There on BMS Use?
- How Are BMSs Different from ECSs?
- What Are the Differences Between BMSs and Traditional Physical Servers?
- What Are the Differences Between BMS and Dedicated Host (DeH)?
- How Do BMSs Ensure Data Security?
- Can I Use APIs to Access BMSs?
- What OS Images Does BMS Support?
- Will Services Be Affected If Hyper-Threading Is Configured for BMS?
- How Do I View and Increase the BMS Quota?
- How Do I Synchronize the Time of a BMS?
-
Instance FAQ
- How Long Does It Take to Create a BMS?
- What Do I Do If I Can't Find My BMS on the Management Console?
- How Can I Obtain board_type of a BMS Flavor?
- Why Is the BMS Creation Task Displayed as Failed But the BMS List Shows the BMS?
- How Do I Create a BMS That Can be Quickly Provisioned?
- What Are the Advanced Features of BMSs Using EVS Disks?
- Can I Transfer a BMS to Another Account?
- Is the BMS Host Name with Suffix novalocal Normal?
- Why Does the System Display a Message Indicating That the BMS Cannot Be Deleted?
- How Do I Monitor BMS Metrics?
- How Do I Create an Agency for Server Monitoring of the BMS?
-
Billing FAQ
- Where Can I Query the BMS Price?
- What Are Pre-payment and Post-payment? How Do I Choose Between Them?
- What Is the Impact on Billing if I Unsubscribe from a BMS?
- How Do I Set Automatic Renewal for BMSs Billed on a Yearly/Monthly Basis?
- When Will a BMS Be Released After It Expires?
- How Do I Unfreeze a BMS?
- Key Pair and Password FAQ
-
Login FAQ
- How Do I Prepare to Log In to a BMS?
- What Can I Do If I Selected the Key Pair Authentication When I Created a BMS But Want to Log In to the BMS Using a Password?
- What Do I Do If I Can't Log In to a Linux BMS?
- What Browser Versions Can Be Used to Remotely Log In to a BMS?
- What Do I Do If the Login Page Does Not Respond?
- What Do I Do If the BMS Console Is Displayed Improperly After I Remotely Log In to a BMS?
- What Do I Do If the Numeric Keypad Does Not Work During Remote Login?
- What Do I Do If the SSH Login or Data Transmission Is Slow?
-
Network and Security FAQ
- Can BMSs of Different Accounts Communicate with Each Other over an Internal Network?
- How Do Two BMSs in the Same Region But in Different AZs Communicate with Each Other?
- Are My BMSs in the Same Subnet?
- Can I Associate a BMS with Multiple Security Groups?
- Can BMSs Communicate with ECSs in the Same VPC?
- What Are the Differences Between the Primary and Extension NICs of BMSs?
- Can I Bind Multiple EIPs to a BMS?
- Can I Configure an EIP?
- Will I Obtain an EIP That Has Been Released?
- What Are the Differences Between EIPs, Private IP Addresses, and Virtual IP Addresses?
- How Can I Modify the Network Configuration or Restart the Network If I Can Log In to a BMS Using Only SSH?
- How Do I Handle the Failure to Ping a CentOS 7 Extension NIC?
- What Do I Do If the Communication Between the Primary NIC and Extension NIC of the BMS is Abnormal?
- How Can I Configure a Static IP Address for a BMS?
- What Do I Do If the Network Performance Is Poor When 128 Ethernet Network Devices Are Bound to a BMS?
-
Disk FAQ
- Can EVS Disks Be Attached to BMSs? How Many Data Disks Can Be Attached to a BMS?
- What Are the Restrictions for Attaching a Disk to a BMS?
- How Do I Know Whether EVS Disks Are Available in a Flavor?
- How Do I Change the Disk Identifier in the fstab file to UUID?
- How Do I Obtain the Drive Letter of an EVS Disk?
- Are the EVS Disk Device Names on the Console and the Device Names in BMS OSs Consistent?
- Why Is the EVS Disk Size Not Updated in the BMS OS After the EVS Disk Capacity Has Been Expanded?
- How Can I Restore System Disk Data Using the Snapshot?
- What Do I Do to Prevent Risks of Attaching or Detaching the System Disk?
- How Do I Select Storage?
- Why Is the Disk Capacity Displayed in the BMS OS Less Than That Displayed on the Official Website?
-
OS FAQ
- Can I Install or Upgrade BMS OSs by Myself?
- Can I Change the OS of a BMS?
- Is a GUI Provided for BMS OSs?
- Is an Upload Tool Delivered with BMS OSs?
- Does the Public Image Used to Create a BMS Have a Swap Partition?
- How Do I Configure the Static Host Name of a BMS?
- How Do I Set the Password Validity Period?
- How Do I Set SSH Configuration Items?
- How Can I Handle the Eight-Hour Difference Between the Windows BMS and Local Time
- How Do I Change the SID of a Windows Server 2012 BMS?
- How Do I Change the Kernel Version of CentOS 7 BMSs?
- How Do I Reserve Log Space If the Root Partition Automatically Expands Disks?
- How Do I Roll Back the Kernel Version If I Mistakenly Upgrade the Kernel?
- How Do I Increase the Swap Partition Size?
- How Do I Increase the Size of the Root Partition of a BMS Which Is Quickly Provisioned?
- Common Linux Commands
- How Do I Update the Disk Metadata After the LVM Volume Is Remounted?
- How Do I Handle a Network Failure After Services Are Switched from a Windows BMS Booted from an EVS Disk to an HA BMS?
-
General FAQ
-
Troubleshooting
- What Do I Do If I Cannot Log In to My BMS or the BMS EVS Disk Is Lost After the BMS Is Started or Restarted?
- What Do I Do If a Key Pair Created Using PuTTYgen Cannot Be Imported to the Management Console?
- What Do I Do If Disks Cannot Be Attached to a BMS That Restarts Abnormally?
- What Do I Do If an EVS Disk Attached to a Windows BMS Is in Offline State?
- Best Practices
- Videos
On this page
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Help Center/
Bare Metal Server/
FAQs/
Network and Security FAQ/
How Can I Modify the Network Configuration or Restart the Network If I Can Log In to a BMS Using Only SSH?
How Can I Modify the Network Configuration or Restart the Network If I Can Log In to a BMS Using Only SSH?
Updated on 2022-09-15 GMT+08:00
The network automatically allocated by the BMS cannot be modified. If you modify the network configuration, you may fail to log in to the BMS. If the BMS has a NIC of the user-defined VLAN, you can configure or modify the network to which the NIC connects.
Parent topic: Network and Security FAQ
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