Chapter 3. Creating a customized system image with an embed subscription using Red Hat Image Builder

You can create customized system images using Red Hat Image Builder that have a subscription activation key already embedded and upload those images to the cloud target environment.

3.1. Embedding an automatic subscription during the image creation by using Red Hat Image Builder

You can create images that have a subscription activation key already embedded in the image. Then, you can perform the registration during image creation time.



  1. Access Red Hat Image Builder on the browser.

    The Red Hat Image Builder dashboard appears.

  2. Click Create image.

    The Create image dialog wizard opens.

  3. On the Image output page, complete the following steps:

    1. From the Release list, select the Release that you want to use: for example, choose Red Hat Enterprise Linux (RHEL).
    2. From the Select target environments option, select the desired target(s) cloud environment.

      Click Next.

  4. On the Registration page, select the type of registration that you want to use. You can select from these options:

  5. Optional: On the Packages page, add packages to your image. See Chapter 4, Adding packages during image creation by Using Red Hat Image Builder.
  6. On the Name image page, enter a name for your image and click Next. If you do not enter a name, you can find the image you created by its UUID.
  7. On the Review page, review the information and click Create image.

    After you complete the steps in the Create image wizard, the Image Builder dashboard is displayed. Red Hat Image Builder starts the compose of a RHEL image for the x86_64 architecture.

    The Red Hat Image Builder Images dashboard opens. You can see details such as the Image UUID, the cloud target environment, the image OS release and the status of the image creation.


    The image build, upload and cloud registration processes can take up to ten minutes to complete.