title: $ service apache2 restart [fail]
body: <p>I have installed Apache on my Ubuntu Server. 
  For a special reason I have to enable mod_rewrite on it.
  So I have done this. </p>
  
  <p>And in every Tutorial on the internet the last command is to restart apache.
  But when I do this the console prints <code>[fail].</code></p>
  
  <p>Can anyone help me here?</p>
  
  <pre><code>$ service apache2 restart 
   * Restarting web server apache2      [fail] 
  </code></pre>