Red Hat NETWORK BASIC - USER REFERENCE GUIDE 4.2 User Reference Manual

Chapter 2.Red Hat Update AgentThe Red Hat Update Agent is your connection to the Red Hat Network. It enables you to registeryour systems, create System Profiles, and alter the settings by which your organization and RHNinteract. Once registered, your systems can use the Red Hat Update Agent to retrieve the latestsoftware packages from Red Hat. This tool will allow you to always have the most up-to-date Red HatLinux systems with all security patches, bug fixes, and software package enhancements.Remember, this tool must be run on the system you wish to update. You cannot use the Red HatUpdate Agent on the system if it is not entitled to an RHN service offering.WarningOnly systems running Red Hat Linux 8.0 or newer can use the Red Hat Update Agent to registerwith RHN. Systems running Red Hat Linux 6.2 through 7.3 and Red Hat Enterprise Linux 2.1 willneed to use the separate Red Hat Network Registration Client before starting the Red Hat UpdateAgent. Refer to Chapter 7 Red Hat Network Registration Client for instructions. Then return to thischapter for instructions on using the Red Hat Update Agent.ImportantYou must use Red Hat Update Agent Version 2.5.4 or higher to upgrade your kernel automatically.It will install the updated kernel and configure LILO or GRUB to boot the new kernel the next timethe system is rebooted. To ensure you are running the latest version, execute the command up2dateup2date. If you do not have the latest version installed, this command will update it.2.1. Starting the Red Hat Update AgentIf you are not running the X Window System or prefer the command line version of the Red HatUpdate Agent, skip to Section 2.3.5 Command Line Version.You must be root to run the Red Hat Update Agent. If you start it as a standard user, you will beprompted to enter the root password before proceeding. The Red Hat Update Agent can be startedusing one of the following methods:For Red Hat Linux 8.0:• On the GNOME and KDE desktops, go to the Main Menu Button (on the Panel) => System Tools=> Red Hat Network.• At a shell prompt (for example, an xterm or gnome-terminal), type the command up2date.For Red Hat Linux 6.2 through 7.3:• On the GNOME desktop, go to the Main Menu Button (on the Panel) => Programs => System=> Update Agent.• On the KDE desktop, go to the Main Menu Button (on the Panel) => Update Agent.• At a shell prompt (for example, an xterm or gnome-terminal), type the command up2date.