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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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why doesn't ntp recover after an Internet-less startup?

I have a few Linux devices (without TOY chips, so they completely rely on ntp) which may boot without access to Internet (the link to the switch is up). The ntp service will start but obviously no peers will be contacted. I then end up with an ntp…
WoJ
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Why is NTP syncing to LOCAL rather than remote server?

So, I'm trying to debug my current NTP setup, and found that he offset from my single configured server is over 3 seconds, and not adjusting. The asterisk on the LOCAL(0) in the ntpq output seems to indicated that the system is happily syncing with…
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How to configure ntpd to sync time more frequently?

I need to set ntpd to sync time as often as possible, how to do that? UPD I need to make ntpd adjust system clock more frequently, not poll servers. It's necessary because system clock of my virtual PC drifts too much maxpoll doesn't seem to change…
user626528
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Linux ntpd leap second preparation

There will be a leap second on June 30, 2015 at 23:59:60 UTC. I have a Linux based stratum 1 NTP server which uses GPS as a reference clock. The server is using the "default" ntp.org ntpd. How should I prepare for the leap second to ensure that the…
snap
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ntpd: servers stuck on .INIT

I am trying to set up an NTP server for my local network, but ntpd refuses to sync with outer servers. # ntptrace localhost: stratum 16, offset 0.000000, synch distance 0.396285 # ntpq -pn remote refid st t when poll reach …
tijagi
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Likely causes of NTPD dying unexpectedly and solutions

On a web application which uses s3 for physical document storage, we are experiencing issues with NTP continuously dying. This seems to happen roughly once or twice a day. There is very little information provided when this occurs, other than that…
user275940
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How to override the ntp information sent by dhcp in debian?

I have a server in a network receiving all its network information from DHCP. The problem is that the ntp-server being sent is not set to UTC. I want to use the configuration for ntp found in /etc/ntp.conf but the DHCP information takes…
Ricardo Marimon
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NTP fudge network source stratum

Is it possible to configure ntpd to fudge the stratum level of a network source? Upon first glance, I thought the fudge directive could accomplish this, however after browsing the ntp.conf(5) man pages, I found this directive only applies to…
joxl
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How do i smoothly update ntpd's peer list?

I have a network of solaris/linux servers that have ntpd configured to use a single internal server of stratum 2 through a DNS alias/CNAME. This is server is down for some time and the client servers' clocks are out of sync. Since we have another…
Benoît
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Ntpd on local network - Preventing clock drift causing high offsets

I have a local network with a microcontroller ARM as the NTP server and I have a desktop computer running with ubuntu 16.04 LTS as a NTP client. Once I start ntpd -g -c /etc/ntp.conf with the following ntp config file server 192.168.0.11 minpoll 4…
Daniel R.
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Getting gpsd address for ntpd

I'm working through some tutorials for setting ntpd clock from gpsd. The guides that I'm working from list adding something like this: server 127.127.46.0 fudge 127.127.46.0 time1 0.0 time2 0.0 refid GPS to /etc/ntp.conf however every tutorial…
timlyo
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NTPD seems to delete all network interfaces

We have a couple of virtual interfaces configured on eth0 on a CentOS, and every now and then, they went down seemingly out of the blue. Now after going through the log files, I found out that apparently ntpd deletes all eth0 interfaces, and that…
Aurelin
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How to make NTP work despite a high offset?

Recently I have kickstarted some servers that had their time off by a month in the bios. The time in the bios said it was a random time/date in May, while it was June. This caused NTP not to work, because NTP doesn't sync with such a high offset.…
ujjain
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NTP not syncing, only syncs on service restart

My ubuntu 11.10 server has been sitting there quite happily for the last 3 - 4 months, then suddenly the time started going out of sync by one hour. I'm not sure why, nothing has changed re the configuration of the server, i read it can be down to…
Michael Barrett
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Where are the ntpd log file located, and how can we configure the ntpd log file path?

I deal with that, ntpd as a daemon on my linux server by default configuring， but where should we look up the log file? Is there any log file normal, and if not , how can we configure that?
aboutstudy
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