Masters IT Gmail wrote: > Now that I understand that i need more ram after i add this ram to my > centos, what I need to do in order to increase my swap partition, thanks in > advance. How much swap do you currently have? You may not need to increase swap at all. If you do - I haven't tried this method in CentOS (or any OS) but it should work: https://help.ubuntu.com/community/SwapFaq#head-75ffcb00cefe143fc380f84d7ea9203f16a596d0 It creates a swap file instead of a swap partition. Much easier than finding unpartitioned space ...