Configuration of Red Hat Enterprise Linux (RHEL)
Log in as root and register the system with the Red Hat Network using the following command:
subscription-manager register --auto-attach
Important: Registering with the Red Hat Network requires a valid Red Hat Subscription Management (RHSM) account. See https://access.redhat.com/management/ for more information about obtaining access.
Log in to the Red Hat Network at https://rhn.redhat.com and ensure that your system is subscribed to the workstation and server channels.
To update the system, use the command:
yum update