Linux
From TomSchaefer.org Wiki
Generic
Useful Linux Commands
Automatically Backup your MySQL Database
pfsense
http://doc.pfsense.org/index.php/Main_Page
Captive Portal Setup
Debian
Ubuntu on Dell 1100 or anything with Intel 845g/GL Video Card
Install Webmin
Public and Private Key Setup for SSH
Install Denyhosts
Setup email on your Linux server
Restore GRUB
Fix a broken MBR on windows with Ubuntu
Lock down phpmyadmin, IP restriction
Lock down SSH
