Installation guide

Note

Systems running Red Hat Enterprise Linux 5 or 6 must be registered as part of the firstboot

process after installation or by using the rhn_register command.

2.1.1. The Package Updater Applet

Red Hat Enterprise Linux 5 and later feature a running program on the graphical desktop panel that

periodically checks for updates from the Red Hat Network or Satellite server and alerts users when

updates are available.

Figure 2.1. Package Updater Applet

The Package Updater Applet stays in the notification tray of the desktop panel and periodically checks

for updates. T he applet also facilitates various package maintenance tasks; click the notification icon

and choose from the following actions:

Refresh: check Red Hat Network or Satellite for new updates.

View Updates: launch the Package Updater application and display any available updates in more

detail, and configure the updates to specifications.

Apply Updates: download and install all updated packages.

Quit: close the applet.

2.2. Registering Clients with Red Hat Satellite Server

The following procedure describes how to use the rhn_register command to register a system with

Red Hat Satellite. Ensure you replace the example host names and domain names with those that apply

to your configuration.

Procedure 2.1. T o Use rhn_register to Regist er a System with Red Hat Satellite:

1. Change into the /usr/share/rhn/ directory and download the SSL certificate to the client:

# cd /usr/share/rhn/

# wget http://satellite.example.co m/pub/RHN-ORG-T RUSTED-SSL-CERT

2. Edit the /etc/sysconfig/rhn/up2date file and ensure that it contains the following entries: