debian

GD Image Rotation Low Quality / Poor Performance
The installed version of PHP GD does not support ...
Here is the steps for Ubuntu Server 8.04.x LTS, PHP5, Drupal 5.x or 6.x. It has also been found to work with Ubuntu Server 9.04. It will install a GD pre-compiled fully working version. It is a complete bundled (forked) GD libraries.

CacheRouter is a caching system for Drupal allowing you to assign individual cache tables to specific cache technology. CacheRouter has an option to utilize the page_fast_cache part of Drupal in order to reduce the amount of resources needed for serving pages to anonymous users.