Thank you for the answer @fliebe92.
How can i do that systemctl status gives me positive answer
helpdeskadmin@helpdeskadmin:~$ sudo systemctl status zammad-web
● zammad-web.service
Loaded: loaded (/etc/systemd/system/zammad-web.service; enabled; vendor preset: enabled)
Active: active (running) since Fri 2024-01-12 16:35:39 UTC; 3h 48min ago
Main PID: 759 (sleep)
Tasks: 1 (limit: 9425)
Memory: 264.0K
CGroup: /system.slice/zammad-web.service
└─759 /bin/sleep infinity
Jan 12 16:35:39 helpdeskadmin systemd[1]: Started zammad-web.service.