There is a workaround: create a directory /etc/systemd/system/omd.service.d/ with *.conf files. Any parameter in there will overwrite whatever is in /etc/systemd/system/omd.service.
There is a workaround: create a directory /etc/systemd/system/omd.service.d/ with *.conf files. Any parameter in there will overwrite whatever is in /etc/systemd/system/omd.service.