The easist way I’ve found to upgrade your existing Mysql install on a linux stall is to use Yum. If you do not have yum, you can follow this link to do this – http://www.keithdmitchell.com/archives/43 .

If you do have Yum installed, then all you need to do is log into the linux shell (SSH) and type at the command prompt;

yum update mysql

Yum will then start the Mysql upgrade process and will install the lastest version of Mysql. Make a backup of the system state or if this is a vps, backup the entire vps if you are not sure if you will want to stay at Mysql 5.

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