Time is a dimension in which events can be ordered from the past through the present into the future, and also the measure of durations of events and the intervals between them.

learn more… | top users | synonyms

13
votes
2answers
2k views

Weird syslog order

Have you ever seen wrong order in /var/log/syslog ? I think that it causes only crontab. Jun 28 22:20:01 alex CRON[2327]: (root) CMD (something > /dev/null) Jun 28 22:21:01 alex CRON[2700]: (root) ...
5
votes
4answers
53k views

How to synchronize the clock of a windows server 2003 domain server?

Given a windows server 2003 domain server, I'd like to sync it's time to (any) external time services (it's off a couple of minutes). How to do this 1, manually; 2, in an automated manner every week?
3
votes
2answers
8k views

Domain Controller time is 7 minutes fast

I have a Server 2008 R2 domain controller running in VM on Hyper-V that is 7 minutes fast which I need to fix. I understand that this maybe down to the DC running in VM's. What I would like to know ...
11
votes
6answers
782 views

Local timezones on servers considered harmful? [closed]

I'm curious as to what other administrators' experiences with timezones, in the context of remotely administered servers, are. In my career I've come across several conventions; Always, always, ...
12
votes
3answers
13k views

Kill process with high CPU usage after X time? [closed]

running linux i have a few processes which tend to crash occasionally (game servers), which end up using 100% cpu. I'm looking for a program or script to check the cpu usage of a list of processes by ...
1
vote
3answers
2k views

Increasing the accuracy of windows 2003 NTP time sync

Hi using w32tm or some other service (NTP W32Time) is there away to increase the accuracy of windows time to sync at-least every 1sec? Whats setup; windows 2003 AD environment with a few servers and ...
8
votes
7answers
7k views

Local or public NTP servers?

For a relatively large network (thousands of hosts) - what are the arguments for and against running a locally managed (pool of) NTP server(s) (perhaps periodically set via some public NTP server) and ...
5
votes
1answer
778 views

Changing time or offsetting it in OpenVZ contained server

I am trying to run a VPS, a Debian box contained in an OpenVZ container. Obviously, I cannot use time --set or any such command, as the time must be set via the parent node. The owner of the parent ...
2
votes
3answers
2k views

Stop Active Directory from updating computer time and date

This office runs an active directory on windows servers. Some 2003 DCs some 2008 R2 DCs A user (The QA analyst) requested that he is able to change his time and it not be changed back after 5-10 ...
2
votes
5answers
951 views

Linux clock loses 10 minutes every week

One of my linux server's clock loses 10 minutes every now and then, nearly every week. I update the time so it stays correct, and although it doesn't really bother me, i'd like to fix it. I've been ...
10
votes
2answers
5k views

What is the clock frequency inside 10Gb and 100Gb Ethernet cards?

As I understand, a 10Gb Ethernet card is capable of putting 10Gb every second on (say) a fibre optics cable. Now naively, for this to happen in hardware, one will need a 10GHz clock running the ...
12
votes
7answers
84k views

Why is ntpd not updating the time on my server?

I have ntpd running on my server. It's all the default settings, except I commented out its ability to be a server to other machines: # restrict -4 default kod notrap nomodify nopeer noquery ...
7
votes
6answers
14k views

Domain Controller time is incorrect

I have a domain controller running in VM on Hyper-V, the time seems to be steadily getting faster, over the X-mas period it's 5 faster, which seems odd! I know how to change the time and I belive we ...
9
votes
9answers
7k views

Time drift

How do you deal with server time drift?
6
votes
3answers
16k views

Public NTP servers

Is there a list of public NTP servers on the internet I can use.
4
votes
2answers
479 views

How do I make all Xen guests use their host clock value?

I've set up Xen server under Linux with several guests running, and all was well. After some time I've noticed the clock on the server drifted away, so I installed 'ntpd', and the clock was back to ...
4
votes
3answers
15k views

DHCP Options for Network Time Server

It looks like there are two options for providing network time settings to a DHCP client; option 004 and option 042. The description for 004 is "Time Server", while 042 specifies NTP. Is there a ...
3
votes
5answers
996 views

Time synchronization and scheduled tasks

If NTP runs at 10:59:55, and fixes the time to 11:00:13, does chron run the 11:00:00, and *:00:00 tasks, or are they skipped? Alternately, if NTP runs at 11:00:00 and fixes the time to 10:59:48, do ...
2
votes
2answers
19k views

Time not propagating to machines on Windows domain

We have a two-domain Active Directory forest: ourcompany.com at the root, and prod.ourcompany.com for production servers. Time is propagating properly through the root domain, but servers in the child ...
1
vote
1answer
2k views

How to stop time synchronization on an Azure VM

I'm trying to simulate a different date/time on an Azure VM but the time keeps resetting itself to the current date/time. Is there a way to force the server to stay at a specific date/time until I ...
8
votes
6answers
1k views

What consequences / implications can arise from a wrong system clock?

What issues can you think of that may arise from a wrong system clock setting ? Primarily interested in potential problems affecting servers and Linux or UNIX-like systems in particular. And how ...
5
votes
1answer
1k views

server restart after timezone change

Is it required that the server should be rebooted once I change the time? I ran into trouble when I changed the datetime and did not restart crond. Is there any other service that may have issues ...
5
votes
3answers
2k views

Server clock running too slow

The system clock on my dedicated server is running too slow. Every month it loses about 2 minutes. The details are: Cent OS, Linux version 2.6.9. How can I resolve the problem, is there any way to ...
5
votes
4answers
5k views

openwrt: Use rdate with NTP servers?

I've noticed that some embedded devices (such as OpenWRT, which runs on Busybox) use rdate to set the system time, instead of NTP. Rdate is an older time protocol, and I'm having trouble finding any ...
4
votes
3answers
8k views

Disable Time Synchronization on Ubuntu

I am setting up a development environment with Ubuntu in a virtual machine. The date in the VM must be in 2009 due to some silly timebombing issues, so I want to disable any automatic time ...
2
votes
1answer
254 views

Why does the time it takes to run this script differ so much between user and system and how I might correct the discrepancy?

My application sits behind a load balancer, and every once in a while I like to do a status check on each machine to get an idea of the time it takes to return an index.html document on each machine. ...
2
votes
2answers
23k views

Windows 7 machines won't sync time

I configured my Windows Server 2008 box as an authoritative time server using the instructions here: http://support.microsoft.com/kb/816042 Port 123 is open for incoming and outgoing connections on ...
2
votes
1answer
728 views

Time issues on the Network — How to find the Root Cause

A number of application servers started erroring out in my domain. Troubleshooting led me to a missconfiguration of NTP. I fixed the issue, but I don't know how the issue arose in the first place. ...
1
vote
3answers
4k views

Sync Linux to Windows 2003/2008 Natively

Without using any external packages for Windows, can Linux synchronise it's clock to a Windows 03/08 Server natively? I've tried it using various NTP packages for Windows but would like to use just ...
1
vote
1answer
2k views

Ubuntu 12.04 - Change rsyslog to use EDT|EST instead of UTC

Right now, I have rsyslog handling a log for a PHP app. Well...I have PHP using rsyslog to do the logging. Currently, it logs time in UTC. I want it to log in EST/EDT as appropriate. How do I make ...
1
vote
6answers
4k views

Access to the current time in windows batch script

I need access to the current time from within a batch script. When typing time in the cmd, I get something like this: The current time is: 16:58:03.98 Enter the new time: What I need is not that ...
1
vote
2answers
2k views

How do I make sure that BOTH my server and MYSQL have the same timezone?

Because when I create a time in Python scripts..I want it to match MYSQL's time. How do I make BOTH of them pacific time?
1
vote
2answers
222 views

Linux box time dilation

I have a linux box, running Fedora Core 10, and the clock gets screwy after a few days of uptime. It keeps time just as one would expect, but then I notice the timestamps on incoming email are from ...
0
votes
1answer
398 views

Disconnect Local Clock from Domain Controller Clock

How can I disconnect my workstation clock from the domain controller? In other words, I do not want them synchronized.