The resolve is not difficult, just add to your tutorial that should they discover this error all they have to do is to incorporate this line for their /etc/apache2/apache2.conf file making use of sudo nano /and so on/apache2/apache2.conf, going to the close of your file and adding it, then S, https://install-apache-web-server66665.wikirecognition.com/815117/the_best_side_of_install_apache_web_server