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).
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Where can I find the configuration/setting for NTP to explain the specific behavior observed in an NTP client?
I have recently been doing a specific timing analysis
of the performance of NTP under controlled conditions.
The experiment I performed was conceptually quite simple.
I have an NTP server running ...
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Why is the * symbol taking a long time to show up in 'ntpq -p' output?
I'm working on a C application that requires NTP time to be synchronized on the host before proceeding. I've essentially written a wrapper C function that executes the command ntpq -p
If the output ...
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OpenNTPd not working in alpine Linux
In a Clean Alpine Linux install run
apk add openntpd
service openntpd start
rc-update add openntpd
Then modifiy the /etc/ntpd.conf to
# $OpenBSD: ntpd.conf,v 1.16 2019/11/06 19:04:12 deraadt Exp $
#
#...
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ntpd requires stripping out the HEX: prefix from SHA1 and SHA256 hex keys to interwork with chrond server
I am new to this business, and could not find the answers to the following:
In order for ntpd client to sync up with chronyd server using a hex key value, I found that I need to strip out the HEX: ...
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How to force update NTP date/time on a router?
The log of an Asus router with Padavan firmware (might be similar to OpenWrt) showed:
Dec 4 16:06:20 NTP Client: Synchronizing time to 0.nl.pool.ntp.org.
Oct 24 18:18:18 NTP Client: System time ...
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How do I remove ntpd from the final image with my own recipe?
I want to get rid of all ntpd related stuff from my yocto linux image.
Currently I include the meta-openembedded layer, which is responsible that the NTP service ntpd is installed on my final image.
...
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ntpd local clock not immediately usable at boot
When configuring an NTP server with only the local clock, the server isn't usable to clients until over three minutes after ntpd starts by default. This is with "server 127.127.1.0 prefer". ...
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Force NTP step whenever the Internet comes up
Assume there is a PC with dead CMOS battery and unreliable Internet connection.
As far as I understand, both chrony and ntpd try to correct huge time differences (years) once – upon startup, – but ...
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Ntpd client strange behavior
Jetson NX with latest Jetpack, NTP Ver. 4.2.8p10
I have some pools in /etc/ntp.conf (0.europe.pool.ntp.org)
When I try ntdate -q 0.europe.pool.ntp.org all is ok
But there is nothing except one ...
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Is there a way for accurate timekeeping on Linux/Debian without NTP/Internet?
The only way I could get a working clock on Debian is by using NTP to sync the clock as described here.
Is there a way to have a reliably accurate clock without NTP and without any Internet connection?...
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How can I determine the current reliability [correctness] of the system time?
I'm working on a project which will acquire a lot of timestamped data at fairly high resolution (50 samples per second) over a very long period of time (years).
The solution includes various failover ...
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How to change the NTP servers that the VMware Esxi hypervisor uses?
I am trying to change the NTP servers that the VMware Esxi hypervisor uses.
The system I am using is:
[root@machine:~] esxcli system version get
Product: VMware ESXi
Version: 6.0.0
Build: ...
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NTP (NTPSec-1.2.2) client is able to sync time from NTP server even if the server does not switches from candidate to become system peer
I have a NTP setup (client-server association) where on the client side, I have below lines(among others) in ntp.conf:
# This should be maxclock 7, but the pool entries count towards maxclock.
tos ...
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Ntpd sets the sys time to the year 2156 after syncing to primary server
I have a couple boards that are setup to get time from another board as the source of truth.
The primary has correct time, but when the other supporting boards attempt to sync to it, they select the ...
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NTP service shown "inactive" with 'timedatectl status'
On an Archlinux host, I noticed that command timedatectl status returned correct result for times (local and UTC) but also mentioned that the NTP service was inactive.
That struck me as odd because ...