Install node.js and npm

node.js and npm are required to build Lab. npm is included as part of node.js

OS X

Install the latest stable version of node with installers available here: http://nodejs.org/#download

Linux (Ubuntu)

To install the latest stable versions of node you first need to add this PPA repositories:

1. node PPA repo

For this to work as intended python software properties must also be installed.

$ sudo apt-get install python-software-properties
$ sudo apt-add-repository ppa:chris-lea/node.js
$ sudo apt-get update

Now install node and npm:

$ sudo apt-get install nodejs npm

Neither the Java run time environment nor the Java development kit are installed by
default, both of which are used for the java projects.

sudo apt-get install  default-jre openjdk-6-jdk

The Ruby Gem Nokogiri requires libxslt and libxml2, install them with:

sudo apt-get install libxslt-dev libxml2-dev

Final note, before you make everything setup the project configurations files by copying the
configuration samples:

cp config/config.sample.yml config/config.yml