This topic provides answers to some commonly asked questions about cloud computer images.
Table of contents
Can cloud computers use public or custom images of Elastic Compute Service (ECS), or Alibaba Cloud Marketplace images in Elastic Desktop Service?
No, cloud computers can use only built-in system images, shared images, and custom images in Elastic Desktop Service.
Can I change the image of a cloud computer?
Yes, you can change the image of a cloud computer, regardless of whether the image is a system image, shared image, or custom image. You can select a method to change the image of a cloud computer based on the template used by the cloud computer.
Determine the template type of a cloud computer
Log on to the Elastic Desktop Service console.
On the Cloud Computers page, find the desired cloud computer and click its ID. On the Cloud Computer Details tab of the displayed page, view the values of Template Name and Template ID.
Copy the template ID and paste it in the search box on the Templates page. Then, view the Type column of the searched template.
Change the image of a cloud computer
Cloud computers that are created based on system templates
If the cloud computer whose image you want to change is created based on a system template, you can directly change the image. For more information, see Change the image of a cloud computer or cloud computer pool.
Cloud computers that are created based on custom templates
If the cloud computer whose image you want to change is created based on a custom template, you can use one of the following methods to change the image:
Change the image that is defined in the custom template. For more information, see Modify a cloud computer template.
Create an image and then replace the image of the cloud computer with the new image. For more information, see Create an image and Change the image of a cloud computer or cloud computer pool.
How do I update the image of my cloud computer?
The version of an image may determine whether specific features are available for cloud computers. We recommend that you update the images of your cloud computers at the earliest opportunity.
Before you update the image of a cloud computer, save or back up data and files on the cloud computer to prevent data loss.
The update of an image takes 10 to 15 minutes, during which the cloud computer becomes unavailable.
Update an image as an administrator
Log on to the Elastic Desktop Service console.
In the left-side navigation pane, choose .
On the Image Updates page, find the desired image version in the update task list.
Click Query Involved Cloud Computer and Update Progress in the Actions column.
In the panel that appears, select one of the following update methods to proceed:
Update the image of a single cloud computer
In the cloud computer list, find the cloud computer whose image you want to update and click Update in the Actions column.
(Optional) You can also select the cloud computer whose image you want to update and click Immediate/Schedule Update in the lower part of the cloud computer list.
In the dialog box that appears, read the update precautions and select an update method based on your business requirements. Then, follow the on-screen instructions to complete the image update.
During the image update process, the system automatically restarts the cloud computer. When the image update is complete, the cloud computer returns to the state before the image update. This indicates that the image update task is successful.
Update multiple images of cloud computers at the same time
In the cloud computer list, select the cloud computers whose images you want to update and click Immediate/Schedule Update in the lower part of the list.
In the dialog box that appears, read the update precautions and select an update method based on your business requirements. Then, follow the on-screen instructions to complete the image update.
During the image update process, the system automatically restarts the cloud computer. When the image update is complete, the cloud computer returns to the state before the image update. This indicates that the image update task is successful.
For more information, see Update an image.
Update an image as an end user
Click Update on the card of the cloud computer that you want to update.
In the dialog box that appears, click Update Now.
You can also specify the time to schedule the update of the cloud computer.
In the message that appears, click Confirm Update.
If the Updated message appears, click Got it to proceed.
If you cannot connect to the cloud computer or want to restore the cloud computer after the update, perform the following operations: click Manage on the card, choose , click the snapshot of the system disk or data disk that is created at a point in time to which you want to restore the cloud computer, and then click Confirm Restore. You can also contact your enterprise IT administrator to resolve the issue.
If you fail to update the cloud computer, retry or contact your enterprise IT administrator.
For more information, see Manage cloud computers.
How long does it take to create a custom image based on an existing cloud computer?
It takes about 10 to 15 minutes to create a custom image based on an existing cloud computer. The actual required time varies with the data size of the cloud computer.
What do I do if I always fail to create a custom image?
The following table describes the possible causes of an image creation failure and the corresponding solutions.
Possible cause | Solution |
The administrator installs antivirus software on the cloud computer that is used to create the custom image. During image creation, the software disables the Elastic Desktop Service in the image. As a result, the image fails to be created. | Ask the administrator to uninstall such software from the cloud computer and then try to re-create the custom image. |
During image creation, the administrator changes the image of the cloud computer that is used to create the custom image. As a result, an image conflict occurs and the image fails to be created. | Ask the administrator not to change the image of the cloud computer during image creation. |
During image creation, the administrator deletes the cloud computer that is used to create the custom image. As a result, the image fails to be created. | Ask the administrator not to delete the cloud computer during image creation. |