pool.ntp.org


pool.ntp.org: public ntp time server for everyone

Introduction

Active Servers

As of 2021-09-28

Het pool.ntp.org project is een groot virtueel cluster van tijdservers die betrouwbare gemakkelijk te gebruiken NTP diensten leveren aan miljoenen clienten.

De pool wordt gebruikt door miljoenen of tientallen miljoenen systemen over de gehele wereld. Het is de standaard "tijdserver" voor de meeste belangrijke Linux distributies en vele van netwerkmogelijkheden voorziene apparaten. (zie informatie voor leveranciers).

Vanwege het grote aantal gebruikers is er behoefte aan meer servers. Als je beschikt over een server met een vast IP adres die altijd beschikbaar op het internet, overweeg dan om die toe te voegen aan het systeem.

Het project wordt beheerd en ontwikkeld door Ask Bjørn Hansen en een grote groep van belangstellenden op de mailinglijsten. De broncode is beschikbaar.

Hosting en bandbreedte voor de "hub" servers wordt op dit moment beschikbaar gesteld door Packet en NetActuate.

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Nieuws

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  • September 6, 2019

    NTP Pool servers on Kubernetes on Packet

    Packet is awesome.

    When we started planning our recent unplanned server move, we investigated options for having not one, but two sites, for the “hub” systems for the NTP Pool. With 4000 NTP servers and hundreds of millions of clients using the system, it really should be a given!

    Evaluating our options on a ridiculously short timeframe, Packet stood out as an interesting choice, though we were a little apprehensive at first if their setup would be too unusual compared to more familiar options.

    After a quick chat with some of the friendly staff at Packet, we were off to the races to see if we could get everything migrated in less than a week of nights and weekends. If we could, we’d be able to move the physical servers the following Sunday without downtime to any critical services, and get us closer to having proper redundancy.

    Working with the Packet system has been fascinating and extremely productive. Despite having done this sort of work for several decades, it was a surprise how mixing familiar capabilities, APIs and abstractions opened new ways for quickly building and managing powerful, reliable and scalable infrastructure.

    Continue Reading →

  • September 5, 2019

    New Account Features

    The beta site has been updated with new features for managing the accounts. Until now each server had to be associated with just one user login. In the new system servers are associated with an account that can have multiple user logins. If you can, please try it out and post bug reports or suggestions in the development forum or via email.

    Continue Reading →

  • August 27, 2019

    NTP Pool servers hosted at NetActuate

    The NTP Pool consists of (as of this writing) more than 4000 NTP servers provided by the community, about 40 DNS servers and a good handful of “hub servers” running the website, databases, monitoring (for NTP, DNS, etc) and a bunch of other software to keep the system going. This spring we learned that the facility the systems were in was being decommissioned and we needed to find other arrangements, quickly.

    Continue Reading →

  • April 5, 2019

    GPS rollover

    As you might have seen in the news or from the US CERT, there’s an internal counter in the GPS messages that will “rollover” this week. Poorly implemented GPS receivers might lose track of time because of this. Many servers in the NTP Pool are using GPS signals to set the time, either directly or indirectly from another server that listens for GPS signals. The expected impact on users of the NTP Pool is very little or none at all.

    Continue Reading →

  • May 21, 2017

    How to Configure NTP for Use in the NTP Pool Project

    Daniel Ziegenberg wrote a tutorial for Digital Ocean on configuring NTP for the NTP Pool on Ubuntu. Oliver Nadler has another tutorial covering non-Ubuntu, too.

    Continue Reading →

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