[ntp:questions] Re: New to NTPD

nigel henry cave.dnb at tiscali.fr
Tue May 9 16:55:13 UTC 2006


On Tuesday 09 May 2006 17:41, Ted Gervais wrote:
> On Tue, 9 May 2006, Heiko Gerstung wrote:
> > Hi, Ted:
> >
> > Ted Gervais wrote:
> >> Well I finally am moving away from netdate and have ntpd installed and
> >> running.
> >> I brought it up using ntpd -g,  and hope that is ok.
> >>
> >> Also I have no idea that it is doing anthing?   How do I know that it is
> >> running.
> >> The drift file has only one entry in it, and that is all zeros..
> >>
> >> Is there some way that I can watch what is happening like the way I
> >> watch log files using 'tail -f messages'  ??
> >>
> >> I have all the logfile stuff turned on so I can read any and all stuff
> >> that is happening and  yet while that says a few things I at this point
> >> don't know that it is doing anything with the system time.
> >>
> >> I am running linux (slackware 10.2)..
> >
> > Maybe you can try it with "ntpq -p" which shows you all configured time
> > references (the "server" or "peer" lines in /etc/ntp.conf). If you want,
> > you can run it periodically : "watch -n 1 ntpq -p"
>
> OK on the 'watch' line. Here is what that gives me"
>
> Every 1.0s: ntpq -p                                     Tue May  9
> 12:39:45 2006
>       remote           refid      st t when poll reach   delay   offset
> jitter
> ===========================================================================
>=== *LOCAL(0)        73.78.73.84      5 l   58   64  377    0.000    0.000
> 0.001
>   time-b.nist.gov .RSTR.          16 u    -   64    0    0.000    0.000
> 4000.00
>   time-b.nist.gov .RSTR.          16 u    -   64    0    0.000    0.000
> 4000.00
>   time-A.timefreq .RSTR.          16 u    -   64    0    0.000    0.000
> 4000.00
>   time.nist.gov   .RSTR.          16 u    -  128    0    0.000    0.000
> 4000.00
>
> > As ntpd is normally using the system log, a simple
> > "tail -f /var/log/messages | grep ntp" would be another approach to
>
> Alright on grepping ntp inthe  messages log.  Never thought of that in
> terms of specifically looking only for ntp activity.  I willl make a note
> ofthat too..
>
> > monitor what is happening, but here you will not see a lot of things
> > after the initial startup messages.
> >
> > Kind regards,
> > Heiko
> >
> > _______________________________________________
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> > questions at lists.ntp.isc.org
> > https://lists.ntp.isc.org/mailman/listinfo/questions
>
> ---
> Ted Gervais
> Coldbrook, Nova Scotia
> Canada. (ve1drg)

Hi Ted. Stratum 16 shows it's unable to sync with the servers. Presuming that 
those servers are available, it's worth checking that port 123 is open in 
your firewall.

Nigel.
>
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