IF you plan on installing cpanel and are running centos 5 32bit... do the following

Login into ssh

Run the following commands:

# yum update
(you will be asked if you want to download the files press " y " which means yes)

Now run
# yum groupinstall "Development Tools"
(again you will be asked to say yes to downloading the files so again press " y ")

Now install cpanel using the following commands

# cd /home
# wget -N http://httpupdate.cpanel.net/latest
# sh latest

The above will install cpanel for you, this will give you 15 days free trial.