open synaptic package manager

System->Administration->Synaptic Package Manager

Add new Repository, deb http://quozl.netrek.org/pptp/pptpconfig ./

settings->repositories->add->custom
paste in the this address 'deb http://quozl.netrek.org/pptp/pptpconfig ./'

Reload repository.

install pptpconfig

it will install all it's dependencies

setup pptpconfig

sudo pptpconfig
server tab:
Name: WSUNEXUS
Server: vpn-gateway.wsu.edu
Username:
Password:
routing tab:
select 'All to Tunnel'
Misc tab:
select Reconnect if disconnected

click add button

Start VPN

click the start button duh.