Comprehensive Multi-site Video
Last modified: May 27, 2009 - 11:17
Running a successful multi-site install requires knowledge of how Drupal handles multiple sites and how various features of Apache can be leveraged to make the multi-site much easier to manage.
The video at this link provides a great deal of detail and comprehensive conf files for an Apache multi-site install of Drupal
Video about Multisites vs. Multiple Sites at GotDrupal.com