[Unit] Description=Network Time Service After=syslog.target ntpdate.service Conflicts=systemd-timesyncd.service [Service] EnvironmentFile=/etc/sysconfig/ntpd ExecStart=/usr/sbin/ntpd -n -u ntp:ntp -c /etc/ntp/ntp.conf $NTPD_OPTIONS PrivateTmp=true [Install] WantedBy=multi-user.target