Hi Holger, the attached systemd files seem to work for me. They allow removing /etc/init.d/munin and /etc/cron.d/munin and changing cron from Depend to Recommend/Suggest.
Cheers
[Unit] Description=Munin service Documentation=man:munin-cron(8) [Service] User=munin Type=oneshot ExecStart=/usr/bin/munin-cron
[Unit] Description=Munin timer [Timer] OnCalendar=*:0/5 Persistent=true [Install] WantedBy=timers.target
[Unit] Description=Munin startup [Service] ExecStart=/bin/sh -c "mkdir -p /var/run/munin && chown munin /var/run/munin" Type=oneshot [Install] WantedBy=multi-user.target
[Unit] Description=Munin CGI Graph socket [Socket] ListenStream=/var/run/munin/fcgi-graph.sock Accept=false [Install] WantedBy=sockets.target
[Unit] Description=Munin CGI Graph service After=network.target Requires=munin-cgi-graph.socket [Service] ExecStart=/usr/lib/munin/cgi/munin-cgi-graph User=www-data Type=simple Group=www-data StandardInput=socket [Install] WantedBy=multi-user.target