[OEL] Get Public YUM Repository

Setting up Oracle Linux 5 with public-yum

cd /etc/yum.repos.d/
wget http://public-yum.oracle.com/public-yum-el5.repo

Setting up Oracle Linux 6 with public-yum

cd /etc/yum.repos.d/
wget https://public-yum.oracle.com/public-yum-ol6.repo