From Grid-Appliance Wiki

General

• Generating a new SSL key pair
• Adding a mail server or connecting to an existing one
• Features:
  • P2PPool -- Overlays management
  • GroupVPN -- Group-based VPN management
  • GroupAppliances -- Creates Grid Appliance configuration floppies using GroupVPN
• Download

• Username - ubuntu
• Password - password

GroupVPN

• Place the web sites public certificate at /path/to/joomla/components/com_groupvpn/data/webcert (in the WebUI that is /home/www/joomla/components/com_groupvpn/data/webcert)
• Edit /path/to/joomla/components/com_groupvpn/mono/web.config to match the path to your Joomla installation
• Add the following to crontab:

0 0 * * * /home/web/gva_web/components/com_groupvpn/mono/bin/Update.sh > /dev/null 2>&1

GroupAppliances

• Adding an admin key to the floppy