Oracle installation on Linux 6

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

http://www.tecmint.com/oracle-database-11g-release-2-installation-in-linux/

ftp://mirror.aarnet.edu.au/pub/oraclelinux/OL6/U1/x86/

https://wikis.oracle.com/display/oraclelinux/Downloading+Oracle+Linux