title: Apache wont start with Passenger
body: <p>After adding the ff lines on httpd.conf</p>
  
  <pre><code>LoadModule passenger_module /usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/ext/apache2/mod_passenger.so
  PassengerRoot /usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13
  PassengerRuby /usr/local/bin/ruby
  </code></pre>
  
  <p>Apache won't start anymore</p>
  
  <pre><code>[root@localhost ~]# service httpd restart
  Stopping httpd:                                            [FAILED]
  Starting httpd:                                            [FAILED]
  </code></pre>
  
  <p>Got this from log</p>
  
  <pre><code>[Thu Jul 12 11:26:58 2012] [error] *** Passenger could not be initialized because of this error: Unable to start the Phusion Passenger watchdog (/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/agents/PassengerWatchdog): Permission denied (13)
  [Thu Jul 12 11:26:58 2012] [notice] Digest: generating secret for digest authentication ...
  [Thu Jul 12 11:26:58 2012] [notice] Digest: done
  [Thu Jul 12 11:27:13 2012] [notice] SELinux policy enabled; httpd running as context root:system_r:httpd_t:s0
  [Thu Jul 12 11:27:13 2012] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
  [Thu Jul 12 11:31:56 2012] [notice] SELinux policy enabled; httpd running as context root:system_r:httpd_t:s0
  [Thu Jul 12 11:31:56 2012] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
  [Thu Jul 12 11:38:22 2012] [notice] SELinux policy enabled; httpd running as context root:system_r:httpd_t:s0
  [Thu Jul 12 11:38:22 2012] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
  </code></pre>