Question: how to start xntpd in hp ux?
Answer: Find the IP address of the NTP Server which the user intends to use. ...  Stop the xntpd if it is running: ...  Test connectivity to the NTP Server with ntpdate ip.address.of.NTP-server. ...  Edit /etc/ntp.conf. ...  Edit /etc/rc. ...  Start the xntpd daemon. ...  Wait five minutes for the xntpd to synchronize with the NTP server.