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Creating a Windows ECS from an ISO Image Scenarios This section describes how to create an ECS from a registered ISO image. Constraints Dedicated Cloud (DeC) users cannot create ECSs from ISO images. If the DeC service is enabled for a user in a specified region, the user will be
Creating a Linux ECS from an ISO Image Scenarios This section describes how to create an ECS from a registered ISO image. Constraints Dedicated Cloud (DeC) users cannot create ECSs from ISO images. If the DeC service is enabled for a user in a specified region, the user will be a
Can I Change the Image of a Purchased ECS? Yes. If you have selected the wrong image or your service requirements have changed, you can change the image of your ECS. You can change the image type (public, private, KooGallery, and shared images) and OS. For details, see Changing the
What Can I Do with a Cloud-Init ECS? Introduction to Cloud-Init Cloud-Init is an open-source tool for cloud instance initialization. When creating ECSs from an image with Cloud-Init, you can use user data injection to customize initialization details (for example, an ECS login password
Installing Native Xen and KVM Drivers on a Xen ECS Scenarios Before using a Xen ECS to create a private image, you need to install native Xen and KVM drivers on the ECS. This section describes how to install native Xen and KVM drivers. Alternatively, you can use a script to automate
Configuring the ECS and Creating a Windows System Disk Image Scenarios After installing an OS for the temporary ECS, configure the ECS and install Guest OS drivers provided by the cloud platform so that ECSs that will be created with this temporary ECS as a source can work properly
Configuring the ECS and Creating a Linux System Disk Image Scenarios After installing an OS for the temporary ECS, configure the ECS and install Xen and KVM drivers to ensure that ECSs created from this temporary ECS can work properly. This section describes how to configure a Linux
Why Can't I Find an ISO Image When I Want to Use It to Create an ECS or Change the OS of an ECS? An ISO image is only an intermediate product and is not available on the ECS console. The final product is a system disk image that has an OS and drivers installed. You are not advised
Why Can't I Find My Private Image When I Want to Use It to Create an ECS or Change the OS of an ECS? When you create an ECS or change the OS of an existing ECS, some of your private images are not shown. One possible cause is that the x86 and Arm architectures are incompatible with
Must I Install Guest OS Drivers on an ECS? Installing Guest OS drivers on an ECS improves your experience in using the ECS. In addition, it also ensures high reliability and stability of ECSs. Windows ECSs: Install PV and VirtIO drivers on ECSs. Linux ECSs: Install Xen PV and VirtIO
What Do I Do If an ECS Starts Slowly? Symptom If an ECS starts slowly, you can change the default timeout duration to speed up the startup. Solution Log in to the ECS. Run the following command to switch to user root: sudo su Run the following command to query the version of the GRUB
How Do I Configure an ECS to Use DHCPv6? Scenarios IPv6 addresses are used to deal with IPv4 address exhaustion. If an ECS uses an IPv4 address, the ECS can run in dual-stack mode after IPv6 is enabled for it. Then, the ECS will have two IP addresses to access the intranet and Internet
How Can I Apply a Private Image to an Existing ECS? You can use the image to change the ECS OS if the image is in the same region as the ECS. When you change the OS, select that image. For details about how to change the OS, see Changing the OS. Figure 1 Changing the OS If the image
Scenario 1: Creating a System Disk Image from a Windows ECS If you have created and configured an ECS based on your service requirements (such as installing software and deploying an application environment), you can create a system disk image from the configured ECS. Then, any new
Why Is Sysprep Required for Creating a Private Image from a Windows ECS? Why Is Sysprep Required? Sysprep is used to generalize images. It removes server-specific information, like the security identifier (SID), from an image so that ECSs created from this image can have unique SIDs
How Do I Migrate an ECS to a Different Region of Another Account? You can perform the migration in either of the following ways: Use the ECS to create a private image, migrate the image to a different region of another account, and then use the image to create a new ECS. You can migrate
What Are the Impacts If I Do Not Pre-configure an ECS Used to Create a Private Image? Before using an ECS or external image file to create a private image, you need to pre-configure the ECS or the source VM of the image file. If you do not perform the pre-configuration, there are
How Do I Delete Redundant Network Connections from a Windows ECS? Method 1 Press Win+R. In the displayed dialog box, enter regedit and press Enter to open the registry editor. Modifying a registry may cause a system startup failure. So, back up the registry before modifying it. Open
Why Did I Fail to Install Guest OS Drivers on a Windows ECS? Possible causes: Your image file was exported from a VMware VM, and VMware Tools was not uninstalled or not completely uninstalled. You have downloaded Guest OS drivers of an incorrect version for your Windows ECS. The disk
How Do I Make a System Disk Image Support Fast ECS Creation? Scenarios Fast Create greatly reduces the time required to create ECSs from a system disk image. Currently, this feature is supported by all newly created system disk images by default, but some existing system disk images
