Your installation number is located in the package that came with your order. If your package did not include an installation number, your subscription was activated for you and you can skip this step.
The Red Hat Network Registration Client helps you connect your system so that you can begin to get updates and perform systems management. There are three ways to connect:
During the Setup Agent — Check the Send hardware information and Send system package list options when prompted.
After the Setup Agent has been completed — From Applications (the main menu on the panel), go to System Tools, then select Package Updater.
After the Setup Agent has been completed — Run rhn_register from the command line as the root user.