#cat /etc/systemd/system/sklogd.service [Unit] Description=The syslogd half of sysklogd[Service] Type=forking EnvironmentFile=/etc/init.d/sysklogd ExecStart=/usr/sbin/syslogd -m 0 [Install] WantedBy=multi-user.target
Did you play with log-level and log-level ? see http://www.freedesktop.org/software/systemd/man/systemd.html

