Install Cloud9 first as [username]
$ su - [username]
$ wget https://github.com/gbraad/ansible-playbooks/raw/master/playbooks/install-c9sdk.yml
$ ansible-playbook install-c9sdk.yml
When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:
const Article = require('../../../../app/models/article');
Those suck for maintenance and they're ugly.