root@debian:~# systemctl status defguard
● defguard.service - defguard core service
     Loaded: loaded (/lib/systemd/system/defguard.service; enabled; preset: enabled)
     Active: active (running) since Wed 2025-06-25 11:44:30 CEST; 11min ago
       Docs: https://docs.defguard.net/
   Main PID: 40072 (defguard)
      Tasks: 2
     Memory: 21.8M
        CPU: 2.402s
     CGroup: /system.slice/defguard.service
             └─40072 /usr/bin/defguard

root@debian:~# systemctl reload defguard

root@debian:~# systemctl status defguard
○ defguard.service - defguard core service
     Loaded: loaded (/lib/systemd/system/defguard.service; enabled; preset: enabled)
     Active: inactive (dead) since Wed 2025-06-25 11:56:11 CEST; 10s ago
   Duration: 11min 40.983s
       Docs: https://docs.defguard.net/
    Process: 40072 ExecStart=/usr/bin/defguard (code=killed, signal=HUP)
    Process: 40188 ExecReload=/bin/kill -HUP $MAINPID (code=exited, status=0/SUCCESS)
   Main PID: 40072 (code=killed, signal=HUP)
        CPU: 2.411s

Jun 25 11:56:11 debian systemd[1]: Reloading defguard.service - defguard core service...
Jun 25 11:56:11 debian systemd[1]: defguard.service: Deactivated successfully.
Jun 25 11:56:11 debian systemd[1]: Reloaded defguard.service - defguard core service.
Jun 25 11:56:11 debian systemd[1]: defguard.service: Consumed 2.411s CPU time.