Have you tried either systemctl | grep running or systemctl --type=service The first one gives you a list of all systemd services/sockets currently runn

Have you tried either systemctl | grep running or systemctl --type=service The first one gives you a list of all systemd services/sockets currently running, the second one gives you a list of all systemd services, both running and exited. Or you can use systemctl --type=service | grep running for the best of both worlds.