VMware Appliance
From OpenSimulator
Disclaimer:
This project is unofficial and is in no way connected with the OpenSimulator Development team, no one will be held responsible for any damages that may occur through the use of this appliance.
First Edition
Built against Ubuntu Server 7.10. Contains and runs the 0.5 OpenSim release by default, also contains SVN version with easy update script.
On first run the sim will need to be configured, simply log in and the Console should appear.
Torrent - Readme can be found here, aswell as inside the torrent.