Help Center/ Image Management Service/ FAQs/ Image Creation/ How Do I Configure an ECS, a BMS, or an Image File Before I Use It to Create an Image?

Updated on 2025-05-28 GMT+08:00

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How Do I Configure an ECS, a BMS, or an Image File Before I Use It to Create an Image?

**Table 1** ECS configurations
OS	Configuration
Windows	Configuring DHCP Enabling Remote Desktop Connection Installing the One-Click Password Reset Plug-In (Optional) Installing and Configuring Cloudbase-Init Installing guest OS drivers, including PV drivers and VirtIO drivers Running Sysprep
Linux	Configuring DHCP Installing the One-Click Password Reset Plug-In (Optional) Installing and Configuring Cloud-Init Deleting Files from the Network Rule Directory Changing Disk Identifiers in the GRUB File to UUID Changing Disk Identifiers in the fstab File to UUID Installing Native Xen and KVM Drivers on a Xen ECS Installing Native KVM Drivers on a KVM ECS Detaching Data Disks from an ECS NOTE: Before creating a Linux private image, ensure that the /etc/fstab file does not contain data disk configuration. Otherwise, the cloud servers created from this image cannot start. If any data disks are attached, comment out or delete the configuration of these data disks from the /etc/fstab file.

**Table 2** Image file configurations
OS	Configuration
Windows	Configuring DHCP Enabling Remote Desktop Connection Installing guest OS drivers, including PV drivers and VirtIO drivers (Optional) Installing and Configuring Cloudbase-Init
Linux	Deleting Files from the Network Rule Directory Configuring DHCP Installing Native KVM Drivers on a KVM ECS Changing Disk Identifiers in the GRUB File to UUID Changing Disk Identifiers in the fstab File to UUID Detaching Data Disks from an ECS NOTE: Before creating a Linux private image, ensure that the /etc/fstab file does not contain data disk configuration. Otherwise, the ECSs created from this image cannot start. If any data disks are attached, comment out or delete the configuration of these data disks from the /etc/fstab file. (Optional) Installing and Configuring Cloud-Init

When registering an external image file as a private image, you are advised to perform the preceding operations on the VM where the external image file is located.
When registering a Windows external image file as a private image, if the Guest OS drivers are installed, the cloud platform will check the image file after you select Enable automatic configuration. If the GuestOS drivers are not installed, the cloud platform will try to install them.

**Table 3** BMS configurations
OS	Configuration	Reference
Windows	Install the bms-network-config package. Install Cloudbase-Init. Delete residual files from the OS.	Creating a Private Image from a BMS
Linux	Install software in the bms-network-config package. Install Cloud-Init. Delete residual files from the OS.	Creating a Private Image from a BMS

**Table 4** Image file configurations
OS	Configuration	Reference
Windows	Install drivers for x86 V5 BMSs. Install Cloudbase-Init. Install software in the bms-network-config package. (Optional) Install the SDI iNIC driver. (Optional) Install the one-click password reset plug-in. Set the Windows time zone. Set the virtual memory. (Optional) Configure automatic Windows update. Configure SID.	Private Image Creation Guide
Linux	Install and configure Cloud-Init. Modify the hardware device driver that boots the OS. Install software in the bms-network-config package. (Optional) Install the SDI iNIC driver. (Optional) Install the Hi1822 NIC driver. (Optional) Install the IB driver. (Optional) Install drivers for x86 V5 BMSs. (Optional) Install the UltraPath software. (Optional) Install the one-click password reset plug-in. Perform security configuration. Configure remote login to the BMS. Configure automatic root partition expansion.	Private Image Creation Guide

Parent topic: Image Creation

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