According to the supported OS list, "Red Hat Enterprise Linux 64-bit 6.x (recommended) or 5.x" is exactly what I am running.
Linux 2.6.32-279.22.1.el6.i686 #1 SMP Sun Jan 13 09:20:24 EST 2013 i686 i686 i386 GNU/Linux
Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz
12G RAM