I ran into the same problem with sec and exchanged the Systemd unit file with the one attached. Maybe this can help.
"Type=forking" is necessary if you keep the argument "-detach" in the default file. Cheers, Cyril
Description=simple event correlator Documentation=man:sec(1p) http://simple-evcorr.sourceforge.net/ [Service] Type=forking EnvironmentFile=-/etc/default/sec ExecStart=/usr/bin/sec $DAEMON_ARGS PIDFile=/var/run/sec.pid [Install] WantedBy=default.target
