Re: Strange ntpmon offset

[Gary E. Miller]

Yo Massimiliano!

On Mon, 29 Nov 2021 22:11:17 +0100
Massimiliano Fago <massimiliano.fago@gmail.com> wrote:

> This is my full ntpd.conf:
> 
> #pool us.pool.ntp.org iburst

The pool statement does no good when commented out.  It should be
uncommented, and after the PPS chimer.

> #driftfile /var/lib/ntp/ntp.drift
> #logfile /var/log/ntp.log

Those two logs can be useful.

> #MFA aggiunto il 30/09/2019
> #server 127.127.43.0     # standard Linux RTC

Or you caould add this, and 4 more, servers.

> logfile /var/log/ntpd.log

Oh, you do have a logfile.

> Can you suggest a good ntpd.conf file for my application?

You are almost there.  See above.

> > Dunno why you think that is strange.  Your ntpd is not locked, so
> > it not driving your local clock, so the offset will vary randomly
> > with temperature  
> 
> my fear is that the system clock changes randomly. Can it be possible?

Not only possible, but what you are seeing.

> I need a stable and precise time.

Most of us do.

> > > Please give me some suggestion.  
> >
> > RTFM:
> >
> > https://gpsd.io/gpsd-time-service-howto.html
> > https://gpsd.io/gpsd-time-service-howto.html#_feeding_ntpd_from_gpsd
> > https://gpsd.io/time-service-intro.html

See those for more suggestions.

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem@rellim.com  Tel:+1 541 382 8588

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