Chapter 25. System roles

Support for Ansible Engine 2.9 is no longer available in RHEL 9

Ansible Engine 2.9 is no longer available in Red Hat Enterprise Linux 9. Playbooks that previously ran on Ansible Engine 2.9 might generate error messages related to missing plugins or modules. If your use case for Ansible falls outside of the limited scope of support for Ansible Core provided in RHEL, contact Red Hat to discuss the available offerings.

RHEL system roles now uses Ansible Core

As of the RHEL 9 General Availability release, Ansible Core is provided with a limited scope of support to enable RHEL supported automation use cases. Ansible Core is available in the AppStream repository for RHEL. For details on the scope of support, refer to Scope of support for the Ansible Core package included in the RHEL 9 AppStream.

The deprecated --token option of the subscription-manager register command will stop working at the end of November 2024

The default entitlement server, subscription.rhsm.redhat.com, will no longer be allowing token-based authentication from the end of November 2024. As a result, the deprecated --token=<TOKEN> option of the subscription-manager register command will no longer be a supported authentication method. As a consequence, if you use subscription-manager register --token=<TOKEN>, the registration will fail with the following error message:

RHEL system roles can be used to manage multiple different versions of RHEL

You can use RHEL system roles as a consistent interface to manage different versions of RHEL. This can help to ease the transition between major versions of RHEL.

RHEL 8 moves to Maintenance Support phase

After the RHEL 8.10 release, RHEL 8 moved to the Maintenance Support phase and will no longer receive new features. As a result, starting with RHEL 9.5, new features will only be available in RHEL 9. Therefore, to get access to the latest enhancements use RHEL 9 for your RHEL system role control nodes.