1 [Unit] 2 Description=HTTP Time Protocol daemon (htpdate) 3 Documentation=man:htpdate(8) 4 After=network-online.target 5 6 [Service] 7 Type=exec 8 Environment=HTPDATE_ARGS="-st www.example.com" 9 EnvironmentFile=-/etc/default/htpdate 10 ExecStart=/usr/sbin/htpdate -F $HTPDATE_ARGS 11 12 [Install] 13 WantedBy=multi-user.target