<https://forum.howtoforge.de/threads/setup-brich-mit-line-708-httpd-command-not-found-ab.1257/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.howtoforge.de/threads/setup-brich-mit-line-708-httpd-command-not-found-ab.1257/#post-7345>