Sunday, 6 June 2010

How to upgrade your CentOS Linux from 5.4 to 5.5

CentOS Linux v5.5 has been out for a while and many people running v5.4 will be looking to update which is available via mirrors for immediate update. To update your 5.4 system you can (very easily) use the yum command to complete the upgrade. Before you get going, do not forget to backup your system!

To get a list of the updated packages available, enter the following command:

# yum list updates

Once you're ready, upgrade the entire system by issuing this yum command:

# yum update

When it completes, reboot the server - when it comes back verify the version number.

# reboot

# lsb_release -a

The result should now read:
CentOS release 5.5 (Final)

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