I've a few extra scripts in the webroot of several sites to provide me with server information when I need it. These scripts tend to provide too much information to just anyone. Here's how you can quickly limit access to the Drupal admin user (the first user created on the site).
Forget about # pecl install apc (Alternative PHP Cache on Debian Sarge). This is going to hurt.
This is a repost about a different (now defunct) server.
Khalid wrote a small guide to Installing the Alternative PHP Cache on Ubuntu Dapper and Debian. The installation on Debian 3.1 (Sarge), requires a few extra steps though.