title: Starting web server apache2 failed
body: <p>I have a Virtual Server. Till yesterday everything works fine on it.
  Today my Hostcompany restarted my server to config something on I/O.</p>
  
  <p>When I trying to get to my address I get</p>
  
  <pre><code>Welcome to nginx!
  
  If you see this page, the nginx web server is successfully installed and working. Further    configuration is required.
  
  For online documentation and support please refer to nginx.org.
  Commercial support is available at nginx.com.
  
  Thank you for using nginx.
  </code></pre>
  
  <p>I tried to <code>sudo service apache2 start</code> and get these Error Message:</p>
  
  <pre><code>* Starting web server apache2                                                                                                     
  
  (98)Address already in use: AH00072: make_sock: could not bind to address [::]:80
  (98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:80
  no listening sockets available, shutting down
  AH00015: Unable to open logs
  Action 'start' failed.
  The Apache error log may have more information.
  * 
  * The apache2 instance did not start within 20 seconds. Please read the log files to discover problems
  </code></pre>
  
  <p>Does someone know how I can fix this problem?</p>