Because today its another noob bashing day I have another one for you:
http://lmgtfy.com/?q=ethos+gpu+overclocking

But come on, you don't can think that you can build a rig and keeps it running without any searching.
First of all search for your own and them if you realy have problems you can ask specific questions about your problem, and then you get help in here. But nobody will make a guide for every new member which has no idea what he is doing!