Re: ntpd

On Thursday, 12 May 2022 8:17:14 PM AEST Bob von Knobloch wrote:
> On 12/05/2022 12:08, Erich Titl wrote:
> > Hi Bob
> > 
> > Am 12.05.2022 um 09:36 schrieb Bob von Knobloch:
> > ...>
> > 
> >> I restarted ntpd yesterday, but saw no change. This morning, however,
> >> the time has corrected itself - oh well!
> > 
> > Oh well, now there is little chance to find the problem. Still as your
> > system clock drifted off quite far it appears that it did not receive
> > suitable time information.
> > 
> > To find out more you should use ntpq. It will enable you to see what
> > peers your ntp daemon is talking to and will also tell you about offset
> > and jitter and stratum.
> > 
> > SALT# ntpq
> > ntpq> peers
> >      remote           refid      st t when poll reach   delay   offset
> >  jitter
> > ==========================================================================
> > ====
> > 
> >  ntp20.kashra-se 192.168.100.15   2 u  153  128    1  151.381   43.453  
> > 0.031
> >  ntp2.tecnico.ul 56.99.239.27     2 u  157   64    1  483.811  -117.37  
> > 0.031
> >  88.157.128.22   212.113.174.246  3 u  155   64    1  716.136  -250.81  
> > 0.031
> > ntpq>
> > 
> > It is also a good idea to specify more than one time source like so:
> > 
> > # pool.ntp.org maps to more than 100 low-stratum NTP servers.
> > # Your server will pick a different set every time it starts up.
> > #  *** Please consider joining the pool! ***
> > #  ***  <http://www.pool.ntp.org/#join>  ***
> > #server luna.think.ch iburst
> > server europe.pool.ntp.org iburst
> > server 0.pool.ntp.org
> > server 1.pool.ntp.org
> > 
> > 
> > cheers
> > 
> > ET
> > 
> > 
> > ------------------------------------------------------------------------
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> > https://lists.sourceforge.net/lists/listinfo/leaf-user
> > Support Request -- http://leaf-project.org/
> 
> The problem for me is that the boxes never reboot (for some large value
> of never), so multiple pool entries won't (as far as I see it) help much
> - or am I wrong here?
> I checked ntpq peers each box has a single entry (not the same).
> 
> Bob

How about a cron job to restart ntpd - that will have the same effect as a 
reboot with -g passed as a parameter

cheers
marko





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