Here's the shindig from the main man himself:
All you crazy servers download this like the raw hicks you are!Admin mod 2.01a has just been released. This new version includes lots of new features, the main one being the inclusion of a scripting engine so you can make admin mod do exactly what you want :)
It also now comes with a nice installation script to make installing it that much easier. Please note that this version is considered an ALPHA release, so make sure you read the documentation before you leap!
Grab 2.01a from:
http://download.sourceforge.net/halflifeadmin/halflife-admin-2.02.zip
The mysql addon can also be downloaded from:
http://download.sourceforge.net/halflifeadmin/halflife-admin-mysql-2.02.tgz
For more information go to:
http://halflifeadmin.sourceforge.net/