How to install Rails ( Ruby on Rails ) on Ubuntu 14.04

1. Introduction

This post only gathers information about how to install RAILS ( Ruby on Rails ) on Ubuntu 14.04.

2. Steps

Follow instructions on reference document from GoRails:

• Install/update dependencies
• Install Ruby 2.2.1  (recommended)
• Install RbEnv, RubyBuild, 
• Configure a SSH Key for Git connnect to GitHub 
• Install Rails 4.2.0 (recommended)
• Setting Up MySQL
• Setting Up PostgreSQL

3. References

• https://gorails.com/setup/ubuntu/14.04