Hello,
I wrote a hand book for a simple cluster configuration based on Nginx + lighttpd. It can use high traffic websites like Openx services , Check it here
I updated my Openx Hand book here . have a look at here
It is little difficult for upgrading Python in cpanel servers. Because if you upgrade python directly , the yum package manager will not work. So you need to reinstall all old rpms again.
When you required to upgrade python on Cpanel server?
The latest Mailman have some bugs. It need Python version of [...]