OpenVPN on Ubuntu 12.04
This howto was prepared and tested on Ubuntu GNU/Linux 12.04 64 bit.
Install the client
1) Install OpenVPN.
sudo apt-get install openvpn
Set up the connection
2) Unzip the file named USERNAME_linux.zip.
mkdir ~/openvpn cd ~/openvpn/ unzip /path/to/your/file/USERNAME_linux.zip
3) Start the connection by running the script startVPN.sh. Make sure you run it as root so it can setup the routing table.
sudo ~/openvpn/startVPN.sh
4) If you want to terminate the connection press Ctrl+C in the command line window where your connection is running.