Excellent script to easily install a VPN in our ubuntu server.

wget http://git.io/vpn –no-check-certificate -O openvpn-install.sh; chmod +x openvpn-install.sh; ./openvpn-install.sh

The original source: https://github.com/Nyr/openvpn-install/blob/master/openvpn-install.sh

And here an embedded copy in my repo (just in case)