Pptp vpn

   ssh to the remote server
   run: nmcli con list. This returns a list like the following which includes the UUID of the VPN connection.

   NAME                   UUID                                     TYPE              TIMESTAMP-REAL                    
   System foobar (wlan2)  12323e-535e-c25b-43443-243434a6501   802-11-wireless   Mon 26 Dec 2011 05:56:45 PM EST   
   eth0 192.168.2.50      777776bd0-0bb0-7ffb-45f1-d6edd65f3e03   802-3-ethernet    Sun 17 Apr 2011 07:54:53 PM EDT   
   Connection to VPN from Outside e923399-0b97-4dbe-8199-434343437b   vpn               Mon 26 Dec 2011 05:56:45 PM EST 

   Actually activate the VPN using (this seems to require root access):

   sudo nmcli con up uuid e923399-0b97-4dbe-8199-434343437b

   Test logging into a server behind the VPN:

   ssh foobar@server.behind.vpn.com