Eye/docs/systemd/hmonitor.service

[Unit]
Description=Analyze nagios hoststate
After=nagios4.service

[Service]
Type=forking
User=nagios
Group=nagios
ExecStart=/opt/Eye/scripts/hmonitor.pl --start
ExecStop=/opt/Eye/scripts/hmonitor.pl --stop
RestartSec=30
Restart=on-failure
PIDFile=/run/hmonitor/hmonitor.pid
RuntimeDirectory=hmonitor
RuntimeDirectoryMode=0700
RuntimeDirectoryPreserve=restart

[Install]
WantedBy=multi-user.target