https://wiki.ubuntuusers.de/Apache_2.4/


A note about Debian/Ubuntu Linux systemd users
Use the following systemctl command on Debian Linux version 8.x+ or Ubuntu Linux version Ubuntu 15.04+ or above:
## Start command ##
sudo systemctl start apache2.service
## Stop command ##
sudo systemctl stop apache2.service
## Restart command ##
sudo systemctl restart apache2.service

We can view status using the following command:
sudo systemctl status apache2.service

Webbrowser: 
http://127.0.0.1/
http://localhost/phpinfo.php
http://localhost/ferienpreis/index.php

Root:/var/www/html/ferienpreis
/var/www/html/leag/
http://localhost/leag/