Install Ruby and Ruby On rails in linux

install_ruby.md

1. Install via RVM(Ruby version manager)

---

install RVM

-sudo apt-get install curl
- gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
-\curl -sSL https://get.rvm.io | bash -s stable

Load RVM

source ~/.rvm/scripts/rvm

Check RVM Requirements

 -rvm requirements

2. Install ruby

---

 rvm install ruby
 rvm --default use 2.1.2(latest version)

Notes: for the step 2, The terminal should is enabled to run the command gnome-terminal more info: https://rvm.io/integration/gnome-terminal

3. Install ruby Gems

---

 rvm rubygems current

4. Install Ruby on rails

---

gem install rails
apt-get install nodejs(distributions based on Debian)