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Questions tagged [ntp]

NTP stands for Network Time Protocol, and it is an Internet protocol used to synchronize the clocks of computers to some time reference.

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ntpd fails to sync TIME_ERROR: 0x41: Clock Unsynchronized

On Debian 10, ntpd 4.2.8p12@1.3728-o fails to sync with following error: kernel reports TIME_ERROR: 0x41: Clock Unsynchronize here's ntp.conf: disable monitor statsdir /var/log/ntpstats restrict -4 default kod nomodify notrap nopeer…
Tombart
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NTP failing to update

I am attempting to use ntp on the server. Checking ps the ntpd process seems to be running: ntpd -u ntp:ntp -p /var/run/ntpd.pid -g However the time is not being corrected, any ideas? The drift is about 2 minutes per month, which is not a problem…
Nick
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NTP time sync failures on Debian

This is on HypriotOS (Debian GNU/Linux 10) running on RaPi. $ timedatectl show-timesync Failed to parse bus message: Connection timed out Then do this with sudo: $ sudo timedatectl timesync-status Failed to query server: Failed to activate service…
Marcel Stör
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Cannot change "w32tm /query /source" from "Local CMOS Clock" on PDC Domain Controller

I am trying to reconfigure the time settings for a single DC W2K8R2 domain. The DC is not a VM. I followed the instructions on this page to the…
Justin Grimes
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XenServer 8.0 running a NTP client in guest PVHVM VM

I would like to run a NTP client in a Xen Linux VM under XenServer (XCP-NG 8.0 to be precise). The Linux VM, Debian Stretch 9.9 (uname -a: Linux debian 4.9.0-9 amd64 #1 SMP Debian 4.9.168-1+deb9u4 (2019-07-19) x86_64 GNU/Linux has Xen guest tools…
zyash
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Local GPS clock is marked as falseticker by ntpd — why?

I have a Linux NTP server with a ublox M8Q GPS module connected via GPIO (UART @ 9600bps and PPS). What I observe is that the local GPS source — SHM(0) — gets marked as falseticker and I'd like to understand why. clock@clock:~ $ ntpq -p remote …
NPE
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Configuring isc-dhcpd server for DHCPv6 with multiple NTP addresses

I'm trying to configure a DHCPv6 server to provide more than one NTP address (option 56) using the isc-dhcpd server. Is there a currently supported way of doing this? My first attempt was defining a custom option 56 in the configuration to be an…
vbeljan
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NTP Servers Not Syncing At Boot

Backstory: I have a couple of internal startum 1 NTP clocks with GPS receivers, and 2 public NTP servers that are virtualized on top of VMware ESXi which take time from the S1 clocks and distribute it. Otherwise this setup works rather fine and…
Stuggi
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NTP time sync issues Windows Server 2016

So, I'm running into some issues trying to configure NTP sync on my DC. This is a Virtual Machine running on Hyper-V. I disabled time sync for this VM. I forwarded 123/udp both on the windows firewall and my sonicwall firewall. As you can see in…
Mrpopo666
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securing/hardening ntp client on Linux servers - config file

I have a clean install of Debian with the NTP client. I was given settings to secure secure my NTP client configuration. I know how to add them to the /etc/ntp.conf file but I am not if settings need to be merged or overwritten, if order matters, or…
IMTheNachoMan
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SOLVED NTP No Server Suitable For Synchronization Found Centos

I'm trying to set up an ntp server, and I can't query it. Whenever I try, I get this message: 6 Mar 18:57:01 ntpdate[27050]: no server suitable for synchronization found Here is my ntpd.conf file # For more information about this file, see the man…
Nate Powe
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NTP Stratum Won't "Fudge"

I have two servers, blue and green. I want blue to pull time from green but it won't because the stratum on green is too high. Green has a regular internet connection. Blue does not. In googling the topic, I should be able to "fudge" the stratum…
user3242295
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Time server for Windows 2003 domain

Am I correct that the NET TIME command should return the time from the PDC for the domain? If so, the issue we are contending with is that NET TIME command returns \randomfileserver. How do I reset time server for domain to be the PDC?
user29480
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standalone NTP config

I am trying to setup local NTP server for some testing. I have installed NTP on Ubuntu 18.04 and commented server-pool block in the config file Here is the full config : driftfile /var/lib/ntp/ntp.drift leapfile…
roy
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Why is dbus-org.freedesktop.timedate1 started so frequently?

I have some Ubuntu 18.04.1 servers. They all show this service being started rougly every 10 minutes. Jan 7 06:29:05 csrf-prod1-vm dbus-daemon[434]: [system] Activating via systemd: service name='org.freedesktop.timedate1'…
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