1.5. RHEL installation tools and concepts

Familiarize yourself with the following RHEL tools and concepts:

A Kickstart file, which contains the configuration and instructions used during the installation of your specific operating system.
RHEL image builder is a tool for creating deployment-ready customized system images. RHEL image builder uses a blueprint that you create to make the ISO. RHEL image builder is best installed on a RHEL VM and is built with the composer-cli tool. To set up these tools and review the workflow, see the following RHEL documentation links:
A blueprint file directs RHEL image builder to the items to include in the ISO. An image blueprint provides a persistent definition of image customizations. You can create multiple builds from a single blueprint. You can also edit an existing blueprint to build a new ISO as requirements change. For more information, see Creating a blueprint by using the command-line interface in the RHEL documentation.
An ISO, which is the bootable operating system on which MicroShift runs.
- See Creating a boot ISO installer image using the RHEL image builder CLI, Installing a bootable ISO to a media and booting it, and Embedding in a RHEL for Edge image using image builder.