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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 monitor the ntpd and ntpdate running status?

I have four servers running ntpd daemons, how can I monitor their running status? By the way, I am running ntpdate command with crontab.
aboutstudy
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How to select a server when ntpd is syncing by a linux server?

The following is my ntpd configure file. I have no idea, which one ntpd will choice while it's syncing? /etc/ntp.conf server 0.pool.ntp.org server 1.pool.ntp.org server 2.pool.ntp.org server pool.ntp.org
aboutstudy
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NTPD issue - syncs then slowly loses ground

RHEL 5 workstation. Has been running smoothly for years. I did a 'pup' recently and followed with a nice, cleansing reboot. Afterwards the system had some startup issues: namely MySQL refused to start. It just went "...." for 5-10 minutes before I…
ethrbunny
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Best way to say "sync all system clocks to this server, when and ONLY when I say so?" Mixed setup of Windows+Linux servers

Title pretty much explains it. Let's say there's 100 servers, various versions of Windows and Linux, and one Windows server is the "master clock." I did look at this question: How do I synchronize clocks between Linux and Windows? This hints that…
twblamer
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ntpd Stratum Zero when nptd is started

I have noticed that when I start ntpd on a server, checks against that server reveal that it has a stratum of zero. If I understand this correctly, I believe this means that ntpd is currently only using itself as the time source. After a minute or…
Kyle Brandt
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How often does openntpd update the time?

Neither the openntpd nor the ntpd.conf manpage have this information.
John Bachir
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NTP returning future time

I've noticed the time on a Linux server I'm maintaining is set to 8 hours in the future. I thought this was weird so I checked ntpd was on, and it is. I thought this was even weirder so I checked the timezone, $ ls -lah /etc/localtime /etc/localtime…
myk00
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How can I know which client is referring ntp server?

I'm on process to migrate ntp server to another server. I already setup the ntp server on the new PC, reconfigure clients for the new server, but want to know nobody refers the older ntp server before shutting down the older ntp server. But as long…
Jose
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Prometheus Alerting on NodeClockNotSynchronising for VMs

I'm trying to determine why this Alert (NodeClockNotSynchronising) is firing for a handful of VMs I've provisioned. (Not all just a few, which is strange) According to the metrics that are exported, I'm seeing: # HELP node_timex_sync_status Is clock…
Gerb
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What happens when ntp stops sync with remote ntp server and LOCAL (127.0.0.1) is also not defined in the ntp.conf

I wish to understand the scenario in which we have defined only remote servers in the /etc/ntp.conf file and we have not set the LOCAL ntp server (127.0.0.1) options. What happens in case of a network partition, where the server looses its…
Mustafa Alam
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all my ntpd servers marked falsetick, why?

I have a set of four ntpd servers that sync time from the same stratum 1 server. But on some clients they all are marked falsetick, why? remote refid st t when poll reach delay offset …
poison1456
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ntpdate take long time to sync (not ntpd)

I have referred ntpdate -d Server dropped Strata too high. This is a similar but different question. I having two devices. Freescale ARM board (NTP server) Tinker board (client) In the Freescale board which already installed an NTP server and the…
JustWe
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Behavior when not writing ntp.conf restrict

if I don't write restrict in ntp.conf , so ntp restrict is Unlimited? I wrote: interface ignore wildcard interface listen lo interface listen lan0 man page http://doc.ntp.org/current-stable/accopt.html#restrict said: A default entry (address…
miwarin
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centOs : system time getting reset back to UTC after changing it using timedatectl

I have a Centos machine with version 7. I am trying to change the system time using the timedatectl command. The time gets changed but after a few seconds it gets reset back to it's original time. [root@abcd ~]# timedatectl Local time: Tue…
user1851006
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ntp doesn't sync - Server has gone too long without sync

I'm unable to sync with ntp server. Any suggestions on how to force the ntpdate to work and sync? ntp.conf on clients are default with only the server address changed. ntpdate -dv 10.10.10.10 26 Sep 04:33:56 ntpdate[18934]: ntpdate 4.2.2p1@1.1570-o…
user
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