how to Install Ruby on Rails on a new Ubuntu system with all important packages

Packages for RubyonRails installation

Installation steps for running Ruby On Rails.

Step 1:

  Download install ubuntu system from ubuntu site.
  
Step 2:
  Open terminal install the following requirements
  
  SSH:
    ssh-keygen -t rsa
  
  Git:
    sudo apt-get install git
    
  GitFlow:
    sudo apt-get install git-flow
    
  Curl:
    sudo apt-get install curl
    
  NodeJS:
    sudo apt-get install python-software-properties python g++ make
    sudo add-apt-repository ppa:chris-lea/node.js
    sudo apt-get update
    sudo apt-get install nodejs
    
  Package for 'pg' gem:
    sudo apt-get install libpq-dev
    gem install pg
    
  package for 'mysql2' gem:
    sudo apt-get install libmysql-ruby libmysqlclient-dev
    gem install mysql2

    centos
    sudo yum install mysql-devel

    
  Postgressql database:
    sudo apt-get install postgresql postgresql-contrib
    
  Rmagick: #use for image manipulation 
    sudo apt-get install libmagickwand-dev

Step 3:
  open terminal and install following requirements

  RVM:
    \curl -L https://get.rvm.io | bash -s stable

  After installation close the terminal

Step 4:
  open terminal make as login shell from terminal preferences.

Step 5:
  Install rvm requirements

  source ~/.rvm/scripts/rvm
  rvm requirements

Step 6:
  Install ruby latest version

  Ruby:
    rvm install ruby
    rvm use ruby --default

  Ruby Gems:    
    rvm rubygems current

Step 7:
  Install latest stable rails gem
   
  Rails:
    gem install rails