Comments 1 Tags kbase_block What is the command rhn_register used for in Red Hat Enterprise Linux? Latest response 2011-11-02T12:07:39+00:00 What is the command rhn_register used for in Red Hat Enterprise Linux? Started 2011-11-02T08:49:18+00:00 by David Powles Guru 25389 points Log in to join the conversation Responses Sort By Oldest Sort By Newest Red Hat Community Member 68 points 2 November 2011 12:07 PM Guillaume Séguin This command allows your Red Hat machine to be registered, and so, to get updates, patches and security fixes. To run it, make sure you are logged in as root, and that you have your Red Hat Network login and password with you.