title: Cannot able to start apache2
body: <pre><code>Oct 04 14:13:29 ip-172-31-0-218 apache2[20813]:  * The apache2 configtest failed.
  Oct 04 14:13:29 ip-172-31-0-218 apache2[20813]: Output of config test was:
  Oct 04 14:13:29 ip-172-31-0-218 apache2[20813]: AH00526: Syntax error on line 13 of /etc/apache2/sites-enabled/000-default.conf:
  Oct 04 14:13:29 ip-172-31-0-218 apache2[20813]: Invalid command 'ProxyPass', perhaps misspelled or defined by a module not included in the server configuration
  Oct 04 14:13:29 ip-172-31-0-218 apache2[20813]: Action 'configtest' failed.
  Oct 04 14:13:29 ip-172-31-0-218 apache2[20813]: The Apache error log may have more information.
  Oct 04 14:13:29 ip-172-31-0-218 systemd[1]: apache2.service: Control process exited, code=exited status=1
  Oct 04 14:13:29 ip-172-31-0-218 systemd[1]: Failed to start LSB: Apache2 web server.
  -- Subject: Unit apache2.service has failed
  </code></pre>
  
  <p>I just added the Proxypass and proxyreversepass in the sites-enabled file</p>