How do I apply package updates from the Red Hat Network?

Prerequisite: registration

Systems must be registered before updates from RHN can be applied.

Red Hat Enterprise Linux 5 and later

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

To access updates when using Red Hat Enterprise Linux 5, launch the graphical update tool through Applications -> System Tools -> Software Updater, or from the command line via the following command:

# pup


To access updates when using Red Hat Enterprise Linux 6, launch the graphical update tool through System -> Administration -> Software Update, or from the command line via the following command:

# gpk-update-viewer


For a command line interface, use the following command to update the operating system:

# yum update


To install a specific package, such as vsftpd, use the following command:

# yum install vsftpd



To update a specific package, such as bind, use the following command:

# yum update bind

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