title: Failed to start The Apache HTTP Server on ubuntu 18.04
body: <p>I am trying to create a web server on my ubuntu 18.04 so i installed Apache2 
  but i can't start it.
  Here's what appeared when i run the <code>systemctl status apache2.service</code> command </p>
  
  <pre><code>apache2.service - The Apache HTTP Server
     Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled)
    Drop-In: /lib/systemd/system/apache2.service.d
             └─apache2-systemd.conf
     Active: failed (Result: exit-code) since Sat 2020-02-22 13:58:09 CET; 34s ago
    Process: 2791 ExecStart=/usr/sbin/apachectl start (code=exited, status=1/FAILURE)
  </code></pre>
  
  <pre><code>Feb 22 13:58:09 moemen apachectl[2791]: AH00558: apache2: Could not reliably determine the server's
  Feb 22 13:58:09 moemen apachectl[2791]: (98)Address already in use: AH00072: make_sock: could not b
  Feb 22 13:58:09 moemen apachectl[2791]: (98)Address already in use: AH00072: make_sock: could not b
  Feb 22 13:58:09 moemen apachectl[2791]: no listening sockets available, shutting down
  Feb 22 13:58:09 moemen apachectl[2791]: AH00015: Unable to open logs
  Feb 22 13:58:09 moemen apachectl[2791]: Action 'start' failed.
  Feb 22 13:58:09 moemen apachectl[2791]: The Apache error log may have more information.
  Feb 22 13:58:09 moemen systemd[1]: apache2.service: Control process exited, code=exited status=1
  Feb 22 13:58:09 moemen systemd[1]: apache2.service: Failed with result 'exit-code'.
  Feb 22 13:58:09 moemen systemd[1]: Failed to start The Apache HTTP Server.
  </code></pre>
  
  <p>I'm new at this can you please help me </p>