Re: time question, as in ntp?

From	Max Nikulin <manikulin@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: time question, as in ntp?
Date	2023-12-04 04:10 +0100
Message-ID	<HH7vj-aViL-1@gated-at.bofh.it> (permalink)
References	(2 earlier) <HFxWV-9Jjg-5@gated-at.bofh.it> <HFRVD-a3qo-3@gated-at.bofh.it> <HGeyS-anWH-17@gated-at.bofh.it> <HGkNX-arIn-3@gated-at.bofh.it> <HGBc5-aBoK-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 02/12/2023 23:39, John Hasler wrote:
> Max Nikulin wrote:
>> As to a GPS receiver, it should be doable and 169.254.x.y addresses
>> will not be an issue any more. Be careful with cables when connecting
>> it however: https://www.wired.com/2012/02/neutrinos-faulty-cable/
> 
> CNC machines don't need accurate time.  They need precise internal
> synchronization but that isn't related to the system clocks.  The
> default NTP configuration in most Linux distributions will take care of
> the system clocks if they have access to the Internet.

I was kidding. However "access to the Internet" is the real trouble in 
this particular case. It seems, the vendor of the 3d printer believes 
that users must connect the device to a network having a DHCP server. 
ifupdown is definitely broken in armbian, perhaps armbian way to setup 
network is broken on this device, but Gene is not going to debug it. His 
stance that it is NetworkManager that breaks his network.

In addition, he is strongly against DHCP believing that it will make his 
network unstable.

 From my point of view, it should be possible to put a file with mapping 
of mac addresses to desired IPs and names to his dd-wrt router. I expect 
that dnsmasq is running or can be installed there. Dnsmasq as a DHCP 
server on the router should be better than maintaining hosts files on 
each machine.

The current state is that the 3d printer has only a 169.254.x.y 
link-local address configured as a fallback.

Thread

time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 19:00 +0100
  Re: time question, as in ntp? Dan Ritter <dsr@randomstring.org> - 2023-11-29 19:20 +0100
    Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 19:40 +0100
  Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-29 19:20 +0100
    Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-29 20:10 +0100
      Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-29 20:20 +0100
        Re: time question, as in ntp? Jeffrey Walton <noloader@gmail.com> - 2023-11-30 01:30 +0100
      Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 22:00 +0100
        Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 00:00 +0100
          Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 01:40 +0100
            Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 11:40 +0100
              Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 11:50 +0100
          Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-11-30 03:50 +0100
            Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 11:50 +0100
  Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-11-29 19:30 +0100
    Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 20:00 +0100
      Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-29 20:30 +0100
        Re: time question, as in ntp? "Andrew M.A. Cater" <amacater@einval.com> - 2023-11-29 21:00 +0100
          Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 01:10 +0100
        Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 01:00 +0100
          Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-11-30 02:30 +0100
            Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 03:00 +0100
              Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-11-30 03:50 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 05:20 +0100
                Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-11-30 05:40 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 10:20 +0100
                Re: time question, as in ntp? Karen Lewellen <klewellen@shellworld.net> - 2023-11-30 05:50 +0100
                Re: time question, as in ntp? Karen Lewellen <klewellen@shellworld.net> - 2023-11-30 05:50 +0100
                Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 11:50 +0100
              Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-11-30 11:50 +0100
          Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-11-30 03:40 +0100
            Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 05:10 +0100
              Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-11-30 06:00 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 10:20 +0100
                Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-30 13:20 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 11:20 +0100
                Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-11-30 13:40 +0100
                Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-30 14:20 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 20:00 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 19:50 +0100
                Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-01 03:40 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 04:30 +0100
                Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-01 05:10 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 11:10 +0100
                Re: time question, as in ntp? Curt <curty@free.fr> - 2023-12-01 18:00 +0100
                Re: time question, as in ntp? <tomas@tuxteam.de> - 2023-12-01 19:50 +0100
                Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-01 20:30 +0100
                Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-01 05:20 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 11:50 +0100
                Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 12:40 +0100
                Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-01 16:30 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 20:30 +0100
                Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-12-01 20:50 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 23:00 +0100
                Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-12-01 23:40 +0100
                Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-02 12:20 +0100
                Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-02 08:50 +0100
                Re: time question, as in ntp? Andy Smith <andy@strugglers.net> - 2023-12-01 08:40 +0100
                Re: time question, as in ntp? "Andrew M.A. Cater" <amacater@einval.com> - 2023-12-01 19:30 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 22:30 +0100
                Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-02 03:40 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-02 11:50 +0100
                Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-11-30 15:20 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-30 20:10 +0100
                Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-30 20:20 +0100
                Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-11-30 21:00 +0100
                Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-11-30 21:30 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 03:10 +0100
                Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-01 04:10 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 04:40 +0100
                Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-01 05:20 +0100
                Re: time question, as in ntp? David Wright <deblis@lionunicorn.co.uk> - 2023-12-01 06:10 +0100
                Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 11:50 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 12:00 +0100
                Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 12:30 +0100
                Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-12-01 14:30 +0100
                Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 15:40 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 19:50 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 14:30 +0100
                Re: time question, as in ntp? Dan Purgert <dan@djph.net> - 2023-12-01 14:50 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 19:50 +0100
                Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-12-01 04:20 +0100
                Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-11-30 15:20 +0100
      Re: time question, as in ntp? Andy Smith <andy@strugglers.net> - 2023-11-30 17:20 +0100
        Re: time question, as in ntp? Greg Wooledge <greg@wooledge.org> - 2023-11-30 19:10 +0100
          Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-01 02:40 +0100
        Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-01 17:30 +0100
          Re: time question, as in ntp? Andy Smith <andy@strugglers.net> - 2023-12-01 21:50 +0100
          Re: time question, as in ntp? Charles Curley <charlescurley@charlescurley.com> - 2023-12-02 00:10 +0100
            Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-02 17:40 +0100
              Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-04 04:10 +0100
                Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-04 05:40 +0100
                Re: time question, as in ntp? Max Nikulin <manikulin@gmail.com> - 2023-12-04 11:10 +0100
                Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-12-04 10:50 +0100
                Re: time question, as in ntp? Stefan Monnier <monnier@iro.umontreal.ca> - 2023-12-04 15:40 +0100
                Re: time question, as in ntp? <tomas@tuxteam.de> - 2023-12-04 15:40 +0100
                Re: time question, as in ntp? John Hasler <john@sugarbit.com> - 2023-12-04 16:00 +0100
                Re: time question, as in ntp? Tom Dial <tddial@comcast.net> - 2023-12-05 09:40 +0100
  Re: time question, as in ntp? Lee <ler762@gmail.com> - 2023-11-29 20:20 +0100
    Re: time question, as in ntp? gene heskett <gheskett@shentel.net> - 2023-11-29 22:20 +0100

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