Note: You could use this tutorial for any Debian Linux setup to do the same thing. And the disk images are a useful shortcut if you want to start with a new Raspberry Pi image and setup VNC or Node.
If you want to know the WHY behind this project...
Then I wondered if it's powerful enough to be a dedicated Ares 2 server. Ares is an open source, web based Enyo UI tool, allowing you to drag and drop widgets, wire up events and actions, here's a demo.
This repository details the steps I took to create my server setup. You can start byt looking at the wiki here.
The Disk Images provide you with installable images to help you setup your Raspberry Pi (RPi).