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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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How to enable NTP module CentOS 7?

I have one server running CentOS 7 to install ntp module I followed the below steps: yum install -y ntp systemctl start ntpd systemctl enable ntpd systemctl status ntpd timedatectl set-timezone America/Mexico_City the service is running, I did not…
Frederick Álvarez
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Minimalistic Linux NTP configuration for broadcast server and broadcast client

I would like to have a minimalistic NTP configuration setup for multiple Linux computers that are completely isolated from the Internet, sitting on the same network, which synchronise their clock to one machine. I would like to use NTP broadcast to…
Peter G. Horvath
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NTP rejecting upstream due to "peer_dist"

Currently NTP is rejecting its upstream and is drifting quite badly (15 seconds of offset so far and growing). When checking the reason using ntpq the flash code is flash=400 peer_dist. Checking the NTP documentation the peer is marked as distant if…
Paradise
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ntpq -pn gets timeout, (because i think) nptd doesn't bind to ::1, why?

Linux myhost 4.1.12-103.7.1.el7uek.x86_64 #(host edited) Red Hat Enterprise Linux Server release 7.4 (Maipo) ntpd - NTP daemon program - Ver. 4.2.6p5 ntp-4.2.6p5-25.0.1.el7_3.2.x86_64 /etc/ntp.conf: driftfile /var/lib/ntp/drift restrict default…
frisbee23
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AWS- Best way to control dates on distribuited systems?

I have a system that initially didn't need to control so tight the dates and times (it only worked in a single timezone), but as a requirement now we need to use multiple timezones on this system. The problem is that this system will be prepared to…
MikeVelazco
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ntpd high jitter and unable to sync

i have installed Linux Centos 7 in vmware workstation. i also have installed Quagga routing suite in centos and configured it to communicate with cisco Routers in GNS3 which is installed in Host (windows 10). i have configured one of my routers in…
majid67110
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Is it possible to run ntpd with a time that is intentionally distinct from system time?

For example, could I set the ntpd time five minutes ahead of the system time? I know I can set the time manually without running (or even installing) ntpd, but it's not obvious to me how to run ntpd without it setting the system time.
user7916
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ntpd appears to work with ipv6 servers, but not ipv4

So, we have an ntp server (ntp-4.2.8-r1) which uses this list of time servers: server pool.ntp.org server 24.56.178.140 server 2001:470:0:2c8::2 server ntp.markyate.net server ntpv6.dianacht.de server 127.127.1.0 However, when I use ntpq to list…
GeoSword
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Ceph: HEALTH_WARN clock skew detected

I have configured ntp on Ceph nodes and time is synchronized! But ceph status always shows clock skew. ceph health detail shows: mon.node2 aadr 192.168.56.102:6789/0 clock skew 7192.45s > max 0.05s (latency 0.0129368s) mon.node3 aadr…
Oleksandr
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ntpd error: unable to bind to wildcard address 0.0.0.0 - another process may be running - EXITING

I have a problem. Time on server not synchronized. And it seems that this problem was appear after I set my rules for iptables, which I described here May be I'm wrong and these two events are not related... CentOS 7.1 ntpd 4.2.6p5 /var/log/messages…
Sergey Serov
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Ubuntu server time jumping away

I wanted to write "drifting away" in the header but this is not what's happening. I have an Ubuntu 12.04 LTS server running some web apps. On 25.10.2014 I updated tzdata to the latest version and yesterday - 30.10.2014 - strange things began to…
svz
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which are the most accurate ntpd fudge factors for gps nmea

I use ntpd with GPS NMEA with PPS as follows server 127.127.20.0 mode 18 minpoll 4 maxpoll 4 prefer fudge 127.127.20.0 flag1 1 flag2 0 flag3 1 flag4 0 time2 0.475 flag1 enables PPS signal processing of /dev/gpspps0 implicitly flag2 captures rising…
wenzul
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ntpd server closing unexpectedly [slackware 14.1 64bit linux]

I have an ntpd server running on to provide time for all pc's inside my office. lately it has started switching off unexpectedly. there is nothing in the logs: 30 Aug 02:25:43 ntpd[1590]: peers refreshed 30 Aug 02:25:43 ntpd[1590]: new interface(s)…
nass
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How can I select ntp the time source for a system?

I have two Windows 2008 servers running Meinburg NTP. When I run ntpq.exe -p from one, I see that there are sources specified as current, selected, or discarded (via a +, -, or *). On another system, it shows the same sources; but there are no marks…
EGr
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Ubuntu 12.04 LTS ntp not working

I'm having major woes trying to get ntp working on several ubuntu 12.04 servers. Note this is NTP to keep the time set on those servers. Not to distribute the time! I've installed several of those machines as VirtualBox VMs and the behaviour is the…
Balthasar
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