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Re: [gpsd-dev] Clarifications needed for the time-service HOWTO

From: Gary E. Miller
Subject: Re: [gpsd-dev] Clarifications needed for the time-service HOWTO
Date: Mon, 21 Oct 2013 10:20:29 -0700

Yo Eric!

On Mon, 21 Oct 2013 08:00:10 -0400
"Eric S. Raymond" <address@hidden> wrote:

> Hal Murray <address@hidden>:
> > 
> > address@hidden said:
> > > # ntptrace
> > > timed out, nothing received
> > > ***Request timed out
> > 
> > > They seem to be down.
> > 
> > No, the servers are OK.  The problem is a buggy tool and/or a poor
> > choice of tool.  Try sntp -d xxx or ntpdate -d xxx  (ntpdate is
> > depricated)
> > 
> > ntptrace calls ntpq which uses mode 6 packets.  That's the back
> > door for debugging/monitoring.  It's disabled (from the outside
> > world) on many/most ntpd servers that are exposed to the big/bad
> > internet.  But when it works, it gives text printout which is
> > easier to parse from simple scripts.
> Would you please expand this into a brief discussion of NTP
> diagnostic tools for the HOWTO?

The tools we are talking about are for snooping on other peoples
chimers.  I would think that is out of scope for this document which
whould be focused on how a user makes his own server a goo Stratum 1.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
        address@hidden  Tel:+1(541)382-8588

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