Custom system image creation with Composer available as a Technology Preview
The Composer tool enables users to create customized RHEL images. Starting with Red Hat Enterprise Linux 7.6, Composer is available in the Extras channel as a Technology Preview in the lorax-composer package.
With Composer, users can create custom system images which include additional packages. Composer functionality can be accessed through a graphical user interface in Web Console, or with a command line interface in the
composer-cli tool. Composer output formats include, among others: