第 11 章 Preparing and deploying a KVM Guest Image by using RHEL image builder

Use RHEL image builder to create a .qcow2 image that you can deploy on a Kernel-based Virtual Machine (KVM) based hypervisor.

Creating a customized KVM guest image involves the following high-level steps:

11.1. Creating customized KVM guest images by using RHEL image builder
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You can create a customized .qcow2 KVM guest image by using the GUI RHEL image builder.

Prerequisites

You must be in the root or weldr group to access the system.
The cockpit-image-builder package is installed.
On a RHEL system, you have opened the RHEL image builder dashboard of the web console.
You have created a blueprint. See Creating a blueprint in the web console interface.

Procedure

Click the blueprint name you created.
Select the tab Images.
Click Create Image to create your customized image. The Create Image window opens.
From the Type drop-down menu list, select QEMU Image(.qcow2).
Set the size that you want the image to be when instantiated and click Create.
A small pop-up on the upper right side of the window informs you that the image creation has been added to the queue. After the image creation process is complete, you can see the Image build complete status.

Verification

Click the breadcrumbs icon and select the Download option. RHEL image builder downloads the KVM guest image .qcow2 file to your default download location.