you can try Oracle Enterprise Linux
EL4 update 4
EL4 update 5
EL5
download from
http://www.oracle.com/technologies/linux/index.html
and i know there is a Oracle Validated Configuration RPM can save time.
When it is installed, the Oracle Validated Configuration RPM sets and verifies system parameters based on recommendations from the Oracle Validated Configurations program, and installs any additional packages needed for installing Oracle Clusterware and Oracle Database. It also updates sysctl.conf settings, system startup parameters, user limits, and driver parameters to values extensive testing shows will provide better performance.
If your Linux distribution is Oracle Enterprise Linux, or Red Hat Enterprise Linux, and you are an Unbreakable Linux customer, then you can complete most preinstallation configuration tasks by using the Oracle Validated Configurations Setup RPM, available from the Unbreakable Linux Network (ULN).
hope this link is usefull to you
http://www.oracle.com/technology/pub...b_install.html
http://download.oracle.com/docs/cd/B...l_overview.htm