How to Install and Configure VNC on Ubuntu 14.04
https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-vnc-on-ubuntu-14-04
https://www.howtoforge.com/how-to-install-vnc-server-on-ubuntu-14.04
http://www.havetheknowhow.com/Configure-the-server/Install-VNC.html
http://askubuntu.com/questions/621313/vnc-server-for-headless-ubuntu-14-04