How to install Oracle 11G DB the EASY WAY

This website has the best method, using YUM you download a package that contains most of the PREREQs already to go.

http://www.oracle-base.com/articles/11g/oracle-db-11gr2-installation-on-oracle-linux-6.php

Add 80GB to ORALINUX root volume

Here are the commands I issued:
  fdisk -l
  fdisk /dev/sda
  shutdown 0 -r
  fdisk -l
  pvcreate /dev/sda4
  df -hP
  vgextend vg_oralinux /dev/sda4
  vgdisplay vg_oralinux
  pvdisplay
  lvextend -L+79.99G /dev/vg_oralinux/lv_root
  resize2fs /dev/vg_oralinux/lv_root
  df -hP