Reference - https://www.digitalocean.com/community/tutorials/how-to-setup-and-configure-an-openvpn-server-on-centos-6 Reference - https://www.digitalocean.com/community/tutorials/how-to-set-up-an-openvpn-server-on-ubuntu-14-04 http://mtehrani30.blogspot.co.uk/2008/03/openvpn-clientss-static-ip.html
