[Unit]
Description=Dmon is a distributed monitor
Documentation="https://dmon.science.uu.nl/dist/dmon.html"
Wants=nftables.service 
# systemd-tmpfiles-setup.service
After=nftables.service 
# systemd-tmpfiles-setup.service

[Service]
Type=simple
 PIDFile=/run/dmon/dmon.pid
ExecStart=/usr/sbin/dmon -q start
ExecReload=/usr/sbin/dmon -q reload
ExecStop=/usr/sbin/dmon -q stop
Restart=on-failure

[Install]
WantedBy=multi-user.target