Ntp: Difference between revisions
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* cheat sheet: http://www.meinberg.de/download/ntp/docs/ntp_cheat_sheet.pdf | * cheat sheet: http://www.meinberg.de/download/ntp/docs/ntp_cheat_sheet.pdf | ||
* monitoring tool: http://www.meinberg.de/english/sw/time-server-monitor.htm | * monitoring tool: http://www.meinberg.de/english/sw/time-server-monitor.htm | ||
== Units == | |||
1 second (s) = 1000 millisecond (ms) <br> | |||
1 millisecond (ms) = 1000 microseconds (µs) <br> | |||
1 second (s) = 1000000 microseconds (µs) <br> | |||
== See Also == | == See Also == | ||
* http://www.satsignal.eu/ntp/NTP-on-Windows-serial-port.html | * http://www.satsignal.eu/ntp/NTP-on-Windows-serial-port.html |
Revision as of 15:46, 12 October 2012
linux / unix
Getting an out of date server back in line.
date; ntpdate <ntpserver> ; date;
Using step tickers.
/etc/ntp/step-tickets should have the servers from the ntpd.conf config.
Some useful commands:
david@cydonia ~ $ ntpq -c pe remote refid st t when poll reach delay offset jitter ============================================================================== -xen0c.10mbit.bi 64.90.182.55 2 u 844 1024 377 25.870 14.653 15.800 *mircx.com 132.163.4.102 2 u 943 1024 377 61.815 6.705 2.755 +zeus.yocum.org 131.188.3.220 2 u 961 1024 377 27.989 0.981 3.108 +69.42.52.50.scr 128.100.56.135 3 u 435 1024 377 21.985 4.444 0.425 david@cydonia ~ $ ntpq -c as ind assID status conf reach auth condition last_event cnt =========================================================== 1 764 93a4 yes yes none outlyer reachable 10 2 765 96a4 yes yes none sys.peer reachable 10 3 766 94a4 yes yes none candidat reachable 10 4 767 94a4 yes yes none candidat reachable 10 david@cydonia ~ $
windows
- http://www.meinberg.de/english/sw/ntp.htm compiled ntp.porg for windows.
- cheat sheet: http://www.meinberg.de/download/ntp/docs/ntp_cheat_sheet.pdf
- monitoring tool: http://www.meinberg.de/english/sw/time-server-monitor.htm
Units
1 second (s) = 1000 millisecond (ms)
1 millisecond (ms) = 1000 microseconds (µs)
1 second (s) = 1000000 microseconds (µs)