Having just done some work on a Linux webserver, here’s some articles I recently used to make tasks just a bit easier.

• Recover MySQL root password
• How to Move the MySQL data directory in Ubuntu (Can be used for migrating your MySQL install to different system)
• How to kill a running process using PID
• How to edit and understand /etc/fstab
• How to mount filesystems in Linux
  

  mount -t ext3 /dev/otherdrive /mountdir

• Get hard disk info (but please be careful with this one):
  

  fdisk -l

• How To Speed Up WordPress With Nginx And WP Super Cache
• Linux / Unix tar command
• logrotate
• mysqldump
• Backing up your database using straight MySQL commands
• Perfect Setup: Ubuntu Hardy+Nginx+MySQL5+PHP5+WordPress