title: Apache: Invalid command 'RailsEnv', perhaps misspelled or defined by a module not included in the server configuration
body: <p>I'm using Rails 3 + Apache + Passenger, and I'm trying to deploy to a new server. I'm not too familiar with where RailsEnv comes from and am getting this error when checking the syntax of my apache config.</p>
  
  <p><code>Invalid command 'RailsEnv', perhaps misspelled or defined by a module not included in the server configuration</code></p>
  
  <p>Does anyone know what module <code>RailsEnv</code> comes from ?</p>