Time.lan.nurd.space: Difference between revisions

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|Participants=Melan en Folkert
|Participants=Melan en Folkert
|Name=time - THE time-source for NURDSpace
|Name=time - THE time-source for NURDSpace
|Skills=ntp, gps
|Skills=ntp, gps, ptp
|Status=In progress
|Status=In progress
|Niche=Time
|Niche=Time
|Purpose=Use for infra
|Purpose=Use for infra
|Tool=No
|Picture=Time.lan.nurd.space pica.png
|Tool=Yes
|Location=bij de bar
|Location=bij de bar
|Category=General
|Category=General
}}
}}
== what is it ==
This is the main time server for NURDSpace. "Connect" using NTP (or SNTP) - most (if not all) operating systems support NTP in some form
== where? ==
Currently (2026/03/30) it is on a shelf next to the serverrack in the old printer-corner.
[[File:Time.lan.nurd.space.png|640px]]
== specs ==


* gpsd - GPS: GY-GPSV3-NEO-M8N GNSS-GPS Module
* gpsd - GPS: GY-GPSV3-NEO-M8N GNSS-GPS Module
* ntpsec
* ntpsec
* ntpviz - http://time.lan.nurd.space/ntpviz/  <-- tonnen statistieken
* timeweb - http://sdr.lan.nurd.space:5000/ - https://github.com/folkertvanheusden/timeweb/


* host: time.lan.nurd.space
== networking ==
 
* hostname: time.lan.nurd.space
* ip-adress: 10.208.0.10
 
== notes ==
 
* the system runs a special 'realtime kernel', please be careful not to replace it when updating raspberryos!
** special settings:
*** 100 Hz interrupt
*** nohz=off
*** realtime kernel
*** preemptible kernel
 
* it (the pi) is also the "emergency"-gateway for when the regular internet connection is not available
 
== monitoring ==
 
* as it is part of the global NTP-pool, statistics can be viewed at https://www.ntppool.org/scores/185.2.240.92
* also [[folkert]] has a monitoring server: https://gateway.vanheusden.com/ntp/show-server?host=space.nurdspace.nl

Latest revision as of 12:05, 30 March 2026

time - THE time-source for NURDSpace
Time.lan.nurd.space pica.png
Participants
Skills ntp, gps, ptp
Status In progress
Niche Time
Purpose Use for infra
Tool Yes
Location bij de bar
Cost
Tool category General

time - THE time-source for NURDSpace

Time.lan.nurd.space pica.png {{#if:Yes | [[Tool Owner::{{{ProjectParticipants}}} | }} {{#if:Yes | [[Tool Cost::{{{Cost}}} | }}


what is it

This is the main time server for NURDSpace. "Connect" using NTP (or SNTP) - most (if not all) operating systems support NTP in some form

where?

Currently (2026/03/30) it is on a shelf next to the serverrack in the old printer-corner.

Time.lan.nurd.space.png

specs

  • gpsd - GPS: GY-GPSV3-NEO-M8N GNSS-GPS Module
  • ntpsec

networking

  • hostname: time.lan.nurd.space
  • ip-adress: 10.208.0.10

notes

  • the system runs a special 'realtime kernel', please be careful not to replace it when updating raspberryos!
    • special settings:
      • 100 Hz interrupt
      • nohz=off
      • realtime kernel
      • preemptible kernel
  • it (the pi) is also the "emergency"-gateway for when the regular internet connection is not available

monitoring