The resolve is not difficult, just increase in your tutorial that if they find this mistake all they need to do is to add this line for their /etcetera/apache2/apache2.conf file making use of sudo nano /etc/apache2/apache2.conf, going to the end with the file and including it, then S, followed by https://installapachewebserver68888.blogaritma.com/27873089/a-simple-key-for-install-apache-web-server-unveiled