If you are using Cent OS 6 will this script work?

---------- Post added at 11:17 PM ---------- Previous post was at 11:06 PM ----------

Also I have done the above steps and I get this on my site http://d.pr/WDec

I got my VPS from scratch and the only thing I have done are those above steps, what else do I need to do to get my site up and running?