Nodejs 4.x.x on Raspberry Pi

Simple steps to install nodejs 4.x.x on Raspberry Pi 2:

sudo apt-get update

sudo apt-get upgrade

curl -sL https://deb.nodesource.com/setup | sudo bash -

sudo apt-get install nodejs

I got version 0.10.4 yours can be different.

Let's update it to the version 4.x.x:

sudo npm install -g n

sudo n stable

Restart the terminal and type

node -v

I got version v4.2.1

P.S. OS version on my Raspberry Pi:

Distributor ID: Debian
Description:    Debian GNU/Linux 7.8 (wheezy)
Release:        7.8
Codename:       wheezy

You can check your version simply by typing:

lsb_release -a