pool.ntp.org


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

Introduction

Active Servers

As of 2021-09-28

pool.ntp.org는 수백만 클라이언트들에게 안정적이고 사용하기 쉬운 커다란 가상의 시간 서버 클러스터를 제공하는 프로젝트입니다.

전 세계에 있는 수백만, 수천만의 시스템이 이 풀을 사용하고 있습니다. 대부분의 주요 리눅스 배포판과 많은 네트웍 설비들이 이 풀을 내정된 시간 서버로 사용하고 있습니다. (제조사를 위한 정보 참고).

많은 사람들이 사용하므로 서버가 더 필요한 상황입니다. 귀하가 만약 고정 IP 주소와 언제나 인터넷에 연결 되어 있는 서버를 소유하고 있다면 시스템에 합류하는 것을 고려해 보십시오.

이 프로젝트는 Ask Bjørn Hansen 과 메일링 리스트 에 있는 대단한 기여자들에 의해 개발, 관리되고 있습니다. 소스 코드는 공개되어 있습니다.

"허브" 서버 호스팅과 대역폭은 현재 Packet와 NetActuate 에 의해 제공되고 있습니다.

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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.

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  • 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.

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  • 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.

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  • 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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