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Questions tagged [ntp]

NTP stands for Network Time Protocol, and it is an Internet protocol used to synchronize the clocks of computers to some time reference.

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How can I test that I am correctly setting a new ntp server?

I have a config script that is configuring the ntp server of a machine (which is running Ubuntu 14.04) by stripping lines matching ^server .* from /etc/ntp.conf and adding a new line server new.ntp.address. Now I want to test that this change is…
jonderry
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Virtual guest: NTP sync with host

Is there any way to get a virtual guest to only query it's current host for NTP? I'm not talking about configuring ntp.conf with the host's IP here either as VLAN's & firewalls may block that traffic. Also migration to a different host would…
Duncan Innes
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Group Policy for Time Sync = ARP Flood?

I have a Windows Server 2008 R2 domain controller and a bunch of workstations of various versions of Windows - XP SP3, Vista, 7, 8.1. Time sync wasn't working correctly on a few PCs so I followed the directions found on this page:…
evilspoons
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Windows server and AWS clock synchronization

I have a Windows 7 computer that communicates with Amazon Web Servers (S3, SES). This server uses windows internet time for clock synchronization time.windows.com. On my linux machines I ran into clock drifting issues that caused S3 URLs to expire…
The Internet
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Troubleshooting unwanted NTP Traffic

A domain controller running Windows Server 2012 is sending NTP and NETBIOS traffic to an address that has never been configured as a time provider. The server logs give no indication that any NTP traffic is failing. The only place I see any evidence…
Jaxaeon
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How can I select ntp the time source for a system?

I have two Windows 2008 servers running Meinburg NTP. When I run ntpq.exe -p from one, I see that there are sources specified as current, selected, or discarded (via a +, -, or *). On another system, it shows the same sources; but there are no marks…
EGr
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Easiest Way to Keep Time Synced on VMware Cluster

I have a three host VMware cluster (5.1) running mainly windows 2008r2 servers with a single DC. I'm having allot of problems with time drift across the servers and while I've found several articles (vmware timekeeping best practices, configuring…
bumble_bee_tuna
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Ubuntu 12.04 LTS ntp not working

I'm having major woes trying to get ntp working on several ubuntu 12.04 servers. Note this is NTP to keep the time set on those servers. Not to distribute the time! I've installed several of those machines as VirtualBox VMs and the behaviour is the…
Balthasar
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Time synchronization in Active directory

I've got issues with time synchronization in a domain. I have DCs that spans time zones, however the PDC is located in a time zone where daylight savings is active, this caused all the additional DCs and clients located in places where daylight…
WizyLOS
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Ubuntu 12.04 LTS regularly loses sync with NTP server

I have a Ubuntu 12.04 LTS VM running inside VirtualBox. It is fine except the clock winds up being exactly 25 minutes behind every other machine on the network. My normal procedure is to setup NTP, run ntpdate manually, and then I never have any…
Eric Urban
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Debian Server System time and time used by processes are different

I have a dedicated server running debian 7, the system time shows "Wed Aug 7 04:28:26 EAT 2013" I have restarted the server several times but processes like deluge and apache return http headers with time : "Wed, 7 Aug 2013 01:28:05 GMT" Please…
Omar Salim
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Meinberg NTP Client large wandering

All, One of the computers on my network runs Windows Embedded Standard and is running the meinberg NTP client and gets its time directly from a GPS clock. The service is set to run automatically and when it restarts it is very close to the GPS…
prelic
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Failed to install ntp via apt-get in Debian

When trying to install ntp (because my server clock is wrong), it just pukes this massive error. Any idea how to fix this? root@pan-prodweb01:~# apt-get install ntp Reading package lists... Done Building dependency tree Reading state information...…
Petah
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compile ntp without ssl

I need to deploy ntp to a very space-critical pxe-imaging-system. (Yes, each KB matters.) Footprint needs to be as small as possible, so I want to compile ntp without linking openssl. According to the manual this is should be possible: If…
Zulakis
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NTPD keep using UTC

What I'm trying to do with NTPD is syncronize all of our switches (3Com Baseline Switch 2928-PWR Plus) but instead of getting the localtime, they get UTC time. The time in the server works well, the only issue is with the switches.
barcelomaya
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