NODE.JS install on UBUNTU
it has only 9 steps.
1- install g++ if you have not it already-> sudo apt-get install g++ curl libssl-dev apache2-utils
2- install git-core if you have not it already-> sudo apt-get install git-core
3- download latest version of node.js here
4- do -> tar -zxvf ~/Downloads/node-v0.12.5.tar.gz
5- go to directory -> cd Downloads/node-v0.12.5/
6- configure -> sudo ./configure
7- make file -> sudo make (it takes 5-10min)
8- install now -> sudo make install
9- test it -> node –version