NTP stands for Network Time Protocol, and it is an Internet protocol used to synchronize the clocks of computers to some time reference.
Questions tagged [ntp]
717 questions
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NTP Meinberg GPS167: How to connect to a Ethernet?
I have a Meinberg GPS167 NTP:
http://www.meinberg.de/english/products/gps167.htm
Although it doesnt have a ethernet RJ45 port. Is there any way to connect it to a LAN?
Andre
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Using NTPD on OpenBSD to get time from Linux using portforwarding
This is a rehash of another question, now that I understand things a bit better.
I have the following network set up:
NTP
10.21.3.169
| \______________
| \
10.21.3.160 (eth1) |
L1 …
Rich
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With windows 2003 time service using NT5DS (domain hierarchy), how do you configure the polling interval?
On Windows 2003 server/xp, the manual (NTP) mode of the windows time service CLIENT has a "SpecialPollInterval" which allows you to set a custom poll interval instead of what the OS decides.
I've been going through the MS docs on the registry…
simon
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Sync time of W2k8 server to another W2k8 server - non domain controlled
I have multiple W2k8 R2 servers and one of them uses an outside source to constantly sync time. I'd like to sync all my other servers to that server. This is a simple workgroup and no domain controller is present.
Anyone knows how to achieve…
TJF
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PDC not syncing time properly
Running 2003 as my PDC and I cannot get the time to sync properly. I've tried to sync with windows and nist with no luck. It does not appear to be blocked by the firewall (verified with w32tm /stripchart /dataonly /computer:time.windows.com) and I…
bugtussle
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Server Time Jumped Ahead 7 Months
CentOS 5.x
My CentOS server appears to have jumped ahead 7 months. I'm not sure how or why. Are there any logs in CentOS that could provide more insight here?
Unfortunately, ntpd was not running. I've since configured/enabled it and the…
Mike B
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How do I unblock NTP on a Netgear FVS318g
I have two Netgear FVS318g firewalls, one behind the other. Both are defaulted to block outgoing traffic except for HTTP, DNS, and some other common services. The outermost one can communicate fine with the NTP server and get the correct time. The…
Kibbee
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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
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Clock battery broken on Solaris - how to workaround until I can fix the battery
My main Solaris server has an issue with its battery and thus I lose around 20 seconds per day.
Currently I am using rdate once in the morning to synchronise the time. Which approach should I use until I can change the battery on a weekend? Should I…
weismat
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Redirection of outbound UDP port
For my residential service, I changed ISPs to Zoom/Armstrong. Just after that, my NTP daemons stopped working. I dug deep and diagnosed the problem:
Unprivileged ports are getting out. When i run 'ntpdate' for example, I go out on a high,…
pboin
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My linux server time and log files are not the same
Hi i have installed NTP on my linux server and i am getting my clock from a 6500 core switch, everything is working fine.
When i ssh to a switch i have it all sent to a log file on the linux server, this log file does not time stamp with the same…
Martin
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How do I use Group Policy to sync client time in an Active Directory domain with an external NTP server and not the domain controller?
I have an Active Directory domain, with a domain controller running on Samba on Linux.
I noticed that my Windows clients are having clock drift. I think this is because they really want the domain controller to offer a time synchronization service.…
interfect
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Reducing NTP offset with local server and Windows 10
I'm trying to synchronize my Windows 10 (22H2) workstation with our local NTP server.
I already synced another Linux device and I got <1ms offset:
nvidia@nvidia-orin-rt:~$ ntpdate -q 10.1.2.3 server 10.1.2.3,
stratum 3, offset -0.000023, delay…
Gorgo
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Change w32tm source to external server
We have an on-premises NTP server named NTPserver and adjust the w32tm source to time.windows.com.
There is a domain controller server that the w32tm source is Local CMOS clock.
I want to change the source of the domain controller server from Local…
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Intentional Time Skew for NTP on Windows Server (2016)
Due to a badly written interface, I have a need to ensure that server A is always a few seconds ahead of server B. (Yes I know this is a horrible thing to do) I have three broad solutions so far:
(preferred) alter W32Time to set the clock X seconds…
Mathew Frank
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