I had a new problem today while running apt-get update. It turned out that my /var/cache/apt/archives/partial directory was missing. Here, I'll show you how to easily fix that error.
On a pretty new CentOS server install I set up phpmyadmin with cookie authentication, only to log in for the first time to see a message which stated "Cannot load mcrypt extension. Please check your PHP configuration". I
Over a PHP Easy Step, there's a nice How To that explains quite simply a way to use PHP to find out...
I was going to write up a guide on installing Maxmind's geotargeting tools on CentOS, but it looks like this guide along with the one I wrote for Ubuntu already has most everything covered.
Over at TYPO3 Apprentice, there's a nice tutorial (3 of them actually) that shows how to create a 468x60 banner with typoscript.