ROR installation

ror installation guide

sudo apt-get update system => for updating system

sudo apt-get install build-essential git-core  for intalling git

sudo apt-get install curl  => for installing curl

bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer) => installing rvm

echo '[[ -s "/home/{{username}}/.rvm/scripts/rvm" ]] && source "/home/{{username}}/.rvm/scripts/rvm"' >> ~/.bashrc => to load rvm in bashrc

source ~/.bashrc  => to reload bash

type rvm | head -1  => must output rvm is a function

rvm pkg install zlib => install zlib as this must be installed before installing ruby

rvm install 1.9.3 => install ruby

rvm use --default 1.9.3  => set ruby default version

sudo apt-get install mysql-client mysql-server libmysql-ruby libmysqlclient-dev  => install mysql