title: Rails server command generates error report
body: <p>When I used <code>rails server</code> command, found following errors in terminal. It shows that "could not find a JavaScript runtime". I am newbie in ROR and don't know to configure different files. I Google and found solutions of this problem <a href="https://stackoverflow.com/questions/7356171/ruby-on-rails-error-running-rails-s-command">1</a> <a href="https://stackoverflow.com/questions/5643229/rails-server-command-problem">2</a> <a href="https://stackoverflow.com/questions/6633696/ruby-on-rails-server-command">3</a>. Still I am not getting the things. Please suggest some solutions.</p>
  
  <p><img src="https://i.stack.imgur.com/BemZV.png" alt="enter image description here"></p>
  
  <p>Ruby and Rail versions on my system</p>
  
  <p>Ruby version:- ruby 1.8.7 ,   Rails version:- Rails 3.2.6</p>