Red Hat NETWORK ENTERPRISE - USER REFERENCE GUIDE 2.6 User Reference Manual

56 Chapter 4. Red Hat Network Website• Base Channel — The primary channel for the key.• Child Channels — Channels to subscribe the system to as applicable.• Groups — System groups to subscribe the system to after registering it.Click Create Key.After creating the unique key, it appears in the list of activation keys along with the number of timesit has been used.To change information about a key, such as the channels or groups, click its description in the key list,make your modifications, and click the Update Key button. To remove a key entirely, click the deletekey link in the top-right corner of the edit page.If you do not want a key to be used to activate a system, you can disable it by unselecting the corre-sponding checkbox under the Enabled column in the key list. The key can be re-enabled by selectingthe checkbox. After making these changes, click the Update Keys button on the bottom right-handcorner of the page.4.5. ErrataIf you click the Errata tab on the top navigation bar, the Errata category and links appear. The pagesin the Errata category allow you to track and manage Errata Updates.TipIf you want to receive an email when Errata Alerts are issued for your system, go to Your RHN =>Your Preferences and select Receive email notifications.Red Hat releases Errata Alerts in three categories, or types: Security Alerts, Bug Fix Alerts, andEnhancement Alerts. Each Errata Alert is comprised of a summary of the problem and the solution,including the RPM packages required to fix the problem.Icons are used to identify the three types of Errata Alerts:• — Security Updates available, update strongly recommended• — Bug Fix Updates available and recommended• — Enhancement Updates available4.5.1. Relevant ErrataAs shown in Figure 4-5, the Relevant Errata page displays a customized list of Errata Alerts thatapplies to your registered systems. The list provides a summary of each Errata Alert, including itstype, advisory, synopsis, systems affected, and date updated.