Applying package updates from the Red Hat Network

Applying package updates from the Red Hat Network

Resolution:
Before installing an update, make sure all previously released errata relevant to the system have been applied.

To use Red Hat Network (RHN) from Red Hat Enterprise Linux 2.1, 3, or 4, launch the interactive Red Hat Update Agent with the command:
# up2date

To find more information about the command line options available for up2date, use the command:
# man up2date

To use Red Hat Network (RHN) for Red Hat Enterprise Linux 5, launch the graphical Update tool with the command:
# pup

Alternatively, for a command-line interface, use the command:
# yum update

To find more information about the command line options available for yum, use the command:
# man yum