After you have installed the Red Hat Enterprise Linux 6.5, 6.6, or 7, you have the option of installing and using the Oracle Unbreakable Enterprise Kernel Release 3 for Linux. For instructions for installing Oracle Unbreakable Enterprise Kernel Release 3 for Linux, go to: https://oss.oracle.com/ol6/docs/RELEASE-NOTES-UEK3-en.html