Parts of OMR documentation are out of date:

1.https://docs.openshift.com/container-platform/4.12/installing/disconnected_install/installing-mirroring-creating-registry.html#prerequisites_installing-mirroring-creating-registry

Red Hat Enterprise Linux (RHEL) 8 with Podman 3.3 installed.

Suggest to: Red Hat Enterprise Linux (RHEL) 8 and 9 with Podman 3.3 installed.

Passwordless sudo access on the target host.

Suggest to remove this sentence due to 1.3 does not need sudo permission

2.All command examples should remove sudo prefix, excludes upgrade command for 1.2.z to 1.3