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Questions tagged [ntpd]

The Network Time Protocol daemon (NTPd) is a daemon program that synchronizes the system time with time servers using the Network Time Protocol (NTP).

The Network Time Protocol daemon () is a daemon that synchronizes the system time with time servers using the Network Time Protocol ().

Website: http://www.ntp.org

Man page: http://linux.die.net/man/8/ntpd

Wikipedia: http://en.wikipedia.org/wiki/Ntpd

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ntpdate succeeds but ntpq fails against Windows DC

DC: Server 2019 Client: TrueNAS https://docs.microsoft.com/en-US/troubleshoot/windows-server/identity/configure-authoritative-time-server for step 3, the DC is configured to be an NTP server and is serving UDP 123. ntpq times out but ntpdate will…
Tyler Montney
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ntpd synchronization not working

I'm running latest Raspbian Lite on Raspberry Pi 3 B. Just reinstalled ntpd completely and it doesn't synchronize time with upstream NTP servers at all. ntpdate -u 0.debian.pool.ntp.org works just fine. Using tcpdump (for eth0 interface) I can see…
sq8l
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NTP Server - +Hour

How can we implement NTP server with ability to distribute its time with +X hours or -X hours and without changing TZ on our operating systems. NTS has this ability but it's available for Windows. Custom time zone and offset Using this unique…
Davoud Teimouri
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NTP synchronizing always in local

I have an Ubuntu 16.04 with the following NTP configuration: driftfile /var/lib/ntp/drift restrict -4 default kod nomodify notrap nopeer noquery restrict -6 default kod nomodify notrap nopeer noquery restrict 127.0.0.1 nomodify notrap restrict…
Zumo de Vidrio
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Can I use both pool and server configurations in ntp?

For a ntp demon, what happens if I have this configuation in ntp.conf: pool 0.pool.ntp.org burst iburst minpoll 4 server europe.pool.ntp.org ? How will ntp be configured? I don't know there to be any way to query ntp for its active configuration -…
user1828163
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ntp.conf stepout adjustments

I’ve been reading over ntp documentation and I’m not quite sure I’m wrapping my head around ‘stepout’. We have a large environment of Linux VM’s that require ‘tinker panic 0’ to be set. ntp is configured in slew mode (required) and VM’s will…
Michael Moser
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NTP client not able to auto sync with server

I have connected a system with NTP client on a local network with windows system on which NTP server is running. The problem is client is not able to sync the time with server. NTP version: 4.2.8p13 (on client) NTP conf file (UPDATED): driftfile…
Anon
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Keeping Ubuntu clock in sync with another machine using NTP

Goal To synchronize the clock of machine A (Ubuntu 18.04) with the clock of machine B (Ubuntu 16.04 on local network running an NTP server - time is approx. 10 minutes ahead of real-world time). My research I am new to NTP and slightly confused…
Anders Thirsgaard Rasmussen
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Turn OFF NTPD immediatly synchronization

I have task to synchronyze linux device with ntp server. Documentation said that by default ntpd check the difference between system time and server time, and if offset is within panic threshold(1000s be default) ntpd begin slowly correction of…
yankovic
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ntpdate -u ipaddress working but ntpd not updating the time

ntpdate -u ipaddress working fine but ntpd not updating the time. Please suggest what is the reason. [root@commander_a ~]# ntpdate -d 10.120.8.32 13 Jan 01:14:46 ntpdate[6172]: ntpdate 4.2.6p3@1.2290 Fri Aug 28 07:43:22 UTC 2015 (1) Looking for host…
Madhusudhan
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Stop NTP from listening on ports.

On my server, the time should be fetched. It should no be provided to other servers. I would call this a client. But it seams that NTP is by default running in server mode, since it is opening ports and listening (waiting from packages). foohost:~ #…
guettli
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