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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

236 questions
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ntpd does not update correct time

Trying to configure my Ubuntu server to sync with pool.ntp.org. Following this guide https://help.ubuntu.com/community/UbuntuTime. I've configured my ntp.conf as following cat /etc/ntp.conf # /etc/ntp.conf, configuration for ntpd; see ntp.conf(5)…
Maxim Veksler
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Best practice for system clock sync on KVM host

I have an Ubuntu 9.10 server running as a KVM host with ntpd installed on it. The host system has the correct system time. At the moment I only have a single KVM guest, also Ubuntu 9.10 server. I do not have ntpd installed on it, and I just…
Tauren
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Excessive clock drift on AMD Athlon prevents ntpd from synchronizing clock

I've got an AMD Athlon XP-2500+ host (Shuttle MN31 motherboard, nForce 2 IGP + MCP-T chipset) running 32-bit Ubuntu 9.10 (i686 2.6.31-20-generic kernel). Unfortunately, it appears that the clock drift on it is so bad (it advances close to an extra…
cjs
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Ntpd monitoring

Is it possible to monitor an ntpd server running on windows using snmp ( or possibly something else ) I couldn't find any documentation on the subject. I'm interested in any information the server can provide, like current date / time, connection…
f4
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Sync ntp immediately at boot with undiciplined clock

I have setup one ntp server and 5 clients. I want to force sync the clients to server clock on boot. With my current ntp settings the computers are syncing but after several minutes. I cannot wait so long for them to synchronise. I am not using a…
Sap
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Setting up an NTP server from LAN - KoD packet has inconsistent xmt/org/rec timestamps. Ignoring

I'm setting up a NTP server on my Ubuntu machine and I want my Raspberry Pi's and (eventually) Window's machines to sync from it. I thought things would be pretty straight forward, however I'm getting an error message in my one client…
Ackis
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CentOS 4.6 Time Drift

I have a CentOS 4.6 box that was previously a physical device, and has been made into a VM, that has a cronjob to restart the server everyday at 23:00. Which is fine. However, since the shift to virtual (on a Hyper-V host) neither the system time or…
D-Man
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ntpd -q lists no servers

I am trying to set up ntpd on my servers, so that their clocks are kept in sync. I am running Ubuntu 16.04. I have followed these instructions, and everything seems fine until the end. It's now a while later and the output of timedatectl looks…
user31415629
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Do "service ntpd restart" and "ntpdate " do the same work?

I often get large offsets when checking ntpd using ntpq -p, I generally restart the ntp daemon and it fixes the issue. I wanted to know if i can try the ntpdate instead of restarting ntpd. Since this is a production box wanted to…
Shiva J
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CentOS 7 - ntp stuck .INIT

I've two ntp servers with one client server. NTP servers are sync time OK. The client stuck on .INIT. step but sync manually works. The client ping and have allowed policies with NTP servers. Alls machines are in CentOS 7 version. Firewallinng : #…
user451320
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Why is my 1PPS GPS stratum-1 clock always ~100ms behind other ntp servers?

I am trying to set up a stratum-1 time server. I have a Navisys GR-701 GPS which is capable sending a 1 PPS signal. According to the spec sheet and sources such as this, I am under the impression I should obtain ~1ms accuracy with ntpd. However, my…
Jeff Mixon
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Trouble with NTPD on client-side

we have a problem with the ntp-client on several linux boxes. First of all, there three ntp servers in our network. On most of our boxes the synchronisation is fine. Since yesterday a handfull linux boxes has issues with synching. The boxes are…
audioslave
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ntpd synchronizes but chronyd fails

I am setting up a time server with chronyd but it fails to sync. # chronyc sources 210 Number of sources = 5 MS Name/IP address Stratum Poll Reach LastRx Last…
Joe
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ntpd uses wrong server

I recently moved my main time-server to another system, e.g. old.fqdn to new.fqdn. All subordinate ntpd daemons use ntp.fqdn as server, which is a CNAME now pointing to new.fqdn, i.e. host ntp.fqdn on that system yields: ntp.fqdn is an alias for…
Lars Hanke
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ntpq -p not printing expected results

I'm having troubles to set up ntp client functionality, on debian system. when typing ntpq -p the output is always the same (all zeros and no stats in the output) which looks like this: sudo ntpq -p4 remote refid st t when poll…
gmlox
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