title: Welcome aboard ActiveRecord::ConnectionNotEstablished
body: <p>I'm using Ubuntu, with Rails 3.0.1 with mysql2 socket.</p>
  
  <p>When i do runing install, rake db:create and after rails server, my Welcome aboard, shows <code>ActiveRecord::ConnectionNotEstablished</code> in About your application’s environment</p>
  
  <p>What i do?</p>