title: Unable to install mongodb on linux
body: <p>I am using sudo <code>apt-get install</code> mongodb command but it is giving me error , i think there is problem with packaging but i am unable to find it.</p>
  
  <pre><code>mongodb start/running, process 15259
  Can't exec "/sbin/insserv": No such file or directory at /usr/sbin/update-rc.d line 382.
  update-rc.d: error: insserv rejected the script header
  No apport report written because the error message indicates its a followup error from a previous failure.
                            dpkg: error processing package mongodb-server (--configure):
   subprocess installed post-installation script returned error exit status 255
  dpkg: dependency problems prevent configuration of mongodb:
   mongodb depends on mongodb-server (&gt;= 1:2.4.1-2); however:
    Package mongodb-server is not configured yet.
  
  dpkg: error processing package mongodb (--configure):
   dependency problems - leaving unconfigured
  Processing triggers for libc-bin (2.19-0ubuntu6) ...
  Processing triggers for ureadahead (0.100.0-16) ...
  Errors were encountered while processing:
   postfix
   mongodb-server
   mongodb
  E: Sub-process /usr/bin/dpkg returned an error code (1)
  </code></pre>