PPTP Client is a Linux, FreeBSD, NetBSD and OpenBSD client for the proprietary Microsoft Point-to-Point Tunneling Protocol, PPTP. Allows connection to a PPTP based Virtual Private Network (VPN) as used by employers and some cable and ADSL internet service providers.
Install PPTP GUI in Ubuntu
You need to edit your source list file for this Open up a terminal and type the following command
sudo gedit /etc/apt/sources.list
Add the following line save the file and exit
deb http://quozl.netrek.org/pptp/pptpconfig ./
Update the sourcelist
sudo apt-get update
Install pptpconfig
sudo sudo apt-get install pptpconfig
Restart gnmone panel
killall gnome-panel
If you want to open the application go to Applications—>Internet or you can use the command line to open GUI
gksudo pptpconfig