[CentOS] Installing Ruby gems on RPM-based systems

--On Saturday, October 08, 2011 4:56 AM -0700 Kenneth Porter 
<shiva at sewingwitch.com> wrote:

> How do people deal with making Ruby and RPM get along?

No sooner do I hit the send button than I realize how to frame the question 
to Google and find the answer. For the list archives:

<http://fedoraproject.org/wiki/Packaging:Ruby>