Upgrading Perl from source on Linux
This tutorial explains how to compile Perl 5.12 for a Linux machine. In this tutorial, CentOS 5 / Red Hat Enterprise Linux 5 will be used, however the procedure should be quite similar for other distributions of Linux as well.
Note: You may be tempted to do a `yum remove perl` to remove the 5.8 version that your distribution came with. Don't. I'll give an