You may need to do this as a solution to a virtualmin error on standard redhat systems install:
"The Suexec command on your system is configured to only run scripts under /var/www, but the Virtualmin base directory is /home. CGI and PHP scripts run as domain owners will not be executed."

This example will be based on Centos 5.2 64bit and http 2.2.3 ... in most redhat based systems you should be able to do pretty much the same steps to get this going.

First, you need the src.rpm ... get it from a repo. in my case i got it like this: