Hofmockel.org

Check out these 3rd party Drupal sites that provide quality training.
Drupal Dojo - http://groups.drupal.org/drupal-dojo
IBM's Drupal Guide - http://www-128.ibm.com/developerworks/ibm/osource/implement.html
Lullabot - http://www.lullabot.com/

Know of any other Drupal training sites worth mentioning?

ref: http://www.contractwebdevelopment.com/drupal-multisite-configurations-an...

How to Correctly Set up Drupal Multisite?

Configuration

configuration

Drupal System Requirements
Here are a few directives that may need tweaking beyond the posted
Drupal requirements. I have padded these greatly. You will consume much
less than these limits. * LimitRequestBody directive in
/etc/httpd/conf.d/php.conf increase to 1 GB * post_max_size directive
in /etc/php.ini increase to 50M * upload_max_filesize directive in
/etc/php.ini increase to 50M * memory_limit directive in /etc/php.ini
increase to 50M
In addition, you could really use modrewrite on apache. This helps