[Unit]
Description=Network Time Protocal daemon

[Service]
EnvironmentFile=-/etc/default/ntp
Type=forking
ExecStartPre=-/usr/bin/killall -q ntpdate
ExecStart=/usr/sbin/ntpd -u ntp:ntp $NTPD_OPTS
PrivateTmp=true

[Install]
WantedBy=multi-user.target