Setup: Ubuntu 10

Click on the networking icon in the upper-right-hand area of the screen.

From the drop-down menu, select VPN Connections > Configure VPN

Click on the "Add" button

Leave the VPN type at "PPTP" and click on "Create"

In the Editing dialog, choose "VPNinja" for the Connection name, "ninja.ninserver.com" for the gateway, and fill in the username and password that you have been assigned. Then click on "Advanced"

Make sure that "Use Point-to-Point encryption (MPPE)" is checked off.

Click on "OK"

Save your VPN configuration by clicking on "Apply"

Close the "Network Connections" window

Click on the networking icon in the upper-right-hand area of the screen.

Click on your new "VPNinja" VPN connection

A successful connection to VPNinja will make a lock appear on the networking icon - your connection is now ninjafied.