root@host:/etc/apache2/sites-enabled# find /etc/systemd -name '*apache*' -ls
  6292157      0 lrwxrwxrwx   1 root     root           47 maj 13 22:30 /etc/systemd/system/multi-user.target.wants/apache-htcacheclean.service -> /lib/systemd/system/apache-htcacheclean.service
  6293687      4 -rw-r--r--   1 root     root          602 feb 25 05:36 /etc/systemd/system/apache2.service