[Unit] Description=A Perl Client Used To Update Dynamic DNS After=syslog.target network-online.target nss-lookup.target [Service] User=ddclient Group=ddclient Type=forking EnvironmentFile=-/etc/sysconfig/ddclient ExecStartPre=/bin/touch /var/cache/ddclient/ddclient.cache ExecStart=/usr/sbin/ddclient -file /etc/ddclient/ddclient.conf -debug -verbose -noquiet -syslog [Install] WantedBy=multi-user.target