Server Fault Stack Exchange
Server Fault Stack Exchange

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
0
votes
1 answer

Need one time server clock sync for latency test, what should i use ntdate or ntpd

All machines are Ubuntu I need to sync clock one time for all machine in order to do a latency test. I read this article that said - ntpdate is a bit of a blunt instrument - it can only adjust the time once a day and i got confused . I thought…
Avihai Marchiano
  • 612
  • 3
  • 16
  • 32
0
votes
1 answer

NTP standard configuration in Debian Squeeze misunderstood

The NTP standard configuration in Debian Squeeze is the following (with comments removed): driftfile /var/lib/ntp/ntp.drift statistics loopstats peerstats clockstats filegen loopstats file loopstats type day enable filegen peerstats file peerstats…
ohe
  • 145
  • 1
  • 7
0
votes
3 answers

NTP time sync not working in a DOMU Centos 5.5 server

I have a Xen Centos 5.5 server with ntpd working in virtual server. NTP time sync seems not working. I have disabled any firewall. my grep -i ntpd /var/log/messages output: Apr 1 16:15:47 posadadelpuerto ntpd[17635]: ntpd 4.2.2p1@1.1570-o Sat Dec…
Roberto
  • 87
  • 1
  • 7
0
votes
1 answer

Query NTPD's monlist remotely?

How do I query NTPD for monlist remotely? It would be nice to be able to keep track of what's happening with the time server!
user63039
0
votes
2 answers

NTPD on RedHat ES4 not synching to Win2K3 domain controler

I'm having an incredibly difficult time trying to get my red hat server to sync its time to our 2K3 domain controller. I've been through numerous ntp.conf revisions and it always ends up that the domain controller is not even listed as a contender…
Digital ink
  • 500
  • 1
  • 10
  • 23
0
votes
1 answer

How was my ubuntu server's time set without ntp?

I was just installing ntp on an ubuntu server that had the wrong time by a minute, and I got to wondering, how did it get any time at all to begin with? Is there some other process that sets the time at boot time? Or was this initial time just…
John Bachir
  • 2,364
  • 7
  • 29
  • 37
0
votes
2 answers

ntpd on Fedora Core 6 with high negative time reset values

The basic problem is we have a FC6 server instance running on a virtual machine, and the system time seems to have been slowly varying until it is now causing a problem. The server runs 24/7 and has been up for 155 days. It has been changed to show…
Mark White
  • 61
  • 1
  • 5
0
votes
1 answer

ntpdate works but ntpd servers stuck at .INIT

There have been several similar questions to this, but none with resolutions. I can run ntpdate on the machine, and the date is updated. I assume that this means there is no firewall problem. I have checked the ISP and the firewall and UDP port 123…
RabidMutant
  • 123
  • 5
0
votes
1 answer

Trigger NTP restart after `vagrant resume`

I manage some Debian 11 server VMs using Vagrant. Sometimes I need to vagrant suspend them, and I noticed that after vagrant resume, their system time is off. Running systemctl status ntp shows the NTP service is turned off by a failure. I could…
kol
  • 191
  • 8
0
votes
1 answer

Syncing Linux NTP to Windows 10 NTP

I have two computers. One is running Linux (NI Linux Real-Time), and the other is running Windows 10. The Windows 10 computer has two network interface cards. The 1st NIC is configured so that the Windows 10 computer can directly sync its time with…
bmb
  • 1
  • 1
0
votes
1 answer

Linux guest on Hyper-V host, realtime clock, UTC or local - sync with AD DC

I'm installing a Debian 11 Linux guest on a Hyper-V cluster. Hosts' realtime clocks are set to local time, as is the norm for Windows Servers; unlike the preference of Unix-like OSes. Should I execute timedatectl set-local-rtc 1 on the Linux guest,…
Krackout
  • 1,575
  • 7
  • 20
0
votes
1 answer

ntpd does not sync clock if it gets internet connection little late

In our production box, I am a facing a problem with ntpd. I am enabling the NTP feature for our production box and observing one isssue. We start the ntpd daemon in the initialization process of our box. During that time internet connection is not…
vivek
  • 105
  • 1
  • 5
0
votes
1 answer

ntpd -g does not sync the clock

From ntpd man page If time is more than 1000s from the server time, ntpd assumes something must be terribly wrong and the only reliable action is for the operator to intervene and set the clock by hand. This causes ntpd to exit with a panic message…
vivek
  • 105
  • 1
  • 5
0
votes
1 answer

Which server will ntpd daemon prefer for time synchronization if we have multiple servers in ntp.conf file

I read that ntp uses all the servers for time synchronization. It got me one question. Suppose I am having multiple servers in the ntp.conf file and time gap is also more than 1 day. I have not specified prefer keyword also in the ntp.conf…
vivek
  • 105
  • 1
  • 5
0
votes
2 answers

Centos ntpd can't sync

I have a Centos 5(I know that Centos5 is very very old) virtual machine that is refusing to sync. My virtual machine host is Windows 10 with HyperV and is syncing without problems. Things that I have tried: Restart the vm. Disable the vm…
Javier Cintrón
  • 11
  • 1
  • 1
1 2 3
…
15
16