title: Cannot restart mongodb on Ubuntu 11.04
body: <p>I have installed mongodb and when i typing the following command i am getting these messages</p>
  
  <pre><code>root@amila:~# service mongodb status    
  mongodb stop/waiting
  root@amila:~# service mongodb restart    
  restart: Unknown instance:     
  root@amila:~# service mongodb stop    
  stop: Unknown instance: 
  </code></pre>
  
  <p>I want to restart mongodb.but unable to restart.</p>
  
  <p>EDIT:
  here is the  /etc/mongodb.conf</p>
  
  <p>dbpath=/var/lib/mongodb
  logpath=/var/log/mongodb/mongodb.log</p>
  
  <p>logappend=true</p>
  
  <p>bind_ip = 127.0.0.1<br>
  auth = true</p>