How to install CentOS 6 3 or RHEL 6
Fallow the steps
Select Install or Upgrade an existing system and press “Enter”
Select skip and press “Enter” for Media test
Click on “Next” then select English and select “Next”
“Select Basic Storage Devices” and click “next”
Set Hostname if you want. (In my case i will do this later) click “Next”
Select Time Zone and click “Next”
Set root password an confirm enter same password. Then click next
Select “Create Custom Layout” and click Next.
Create all partition and click next
Select “Customize now” and click “Next”
Select some packages and click “Next”
Click on “Reboot”
Click on “Forward”
Create an User and set Password if you want