title: How to create the first (Admin) user (CanCan and Devise)?
body: <p>I made authentication in my Rails 3 app fallowed by <a href="http://www.tonyamoyal.com/2010/07/28/rails-authentication-with-devise-and-cancan-customizing-devise-controllers/" rel="noreferrer">Tony's tutorial</a></p>
  
  <p>I don't want public registrations on my app, just to create new users with Admin account, but I can't create Admin account manually, because in table Users there is encrypted password and salt that must to be generated, and I don't know how :|</p>