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2. Installation

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Installation of Red Hat Enterprise Linux 4.9 is completed by upgrading from Red Hat Enterprise Linux 4.8.

Important

Before upgrading, ensure that the system has the most recent version of the up2date tool installed by running the command up2date up2date

Warning

Due to a known issue, if you are subscribed to the Red Hat Enterprise Linux 4 Extras channel and have the HelixPlayer package installed on your system, you must first manually remove the HelixPlayer package before updating the system to Red Hat Enterprise Linux 4.9. You can manually uninstall HelixPlayer by running the following command: 
        rpm -e HelixPlayer
Failing to uninstall the HelixPlayer package before updating your system may cause up2date to fail to update all packages to their Red Hat Enterprise Linux 4.9 versions.
To update a Red Hat Enterprise Linux 4.8 installation, first ensure that the system is subscribed to the 4.9 channel, then use the up2date command: 
up2date --update
There is no media kit available for Red Hat Enterprise Linux 4.9.
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