Recently, I had a need to set up a multisite installation on a shared hosting environment (Hostmonster).  My only access to the server currently, until I jump through the appropriate hoops to get SSH access, is FTP and cPanel.  Try as I might, I had difficulties with the installation until I found this article here.  Unfortunately, there are just a few missing steps, so with credit to the original author, kham08 over at Drupal Groups, I am going to give a fuller explanation.  Finally, play careful attention