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.

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Do I Need a PTP Aware Switch?

We have a PTP Grandmaster clock which we will be using on a dedicated network for PTP time synchronization. It is necessary for us to use a switch to distribute the signal to multiple clients. Does ...
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1answer
15 views

EC2 - MS Server 2012 constantly resetting its own time

I have an EC2 box of instance type m2.4xlarge running Windows Server 2012 Standard in a VPC in US-West-2. The following ports are open inbound: TCP 1433 (MS SQL) TCP 3389 (RDP) UDP 123 (time synch) ...
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0answers
10 views

Is it better to use the systemd service unit's Restart & RestartSec, or use a systemd timer unit?

I have a couple of in-house automated scripts running at periodic intervals. One is every five minutes, the other is every minute. They don't really need to be ran on-the-dot; e.g. I don't care if ...
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1answer
48 views

How to configure a Cisco Catalyst 2960 to synchronize with an NTP server

I would like to synchronize a Cisco Catalyst 2960 series switch with a publicly available NTP server such as time.apple.com. I have reviewed the knowledge base article here: Catalyst 2960 ...
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1answer
55 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) ...
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8answers
77k views

How do I get current Unix time in milliseconds using bash?

How do I get the current Unix time in milliseconds (i.e number of milliseconds since Unix epoch January 1 1970)?
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3answers
195 views

System time on Windows Server 2008 server increasing continuously

The system time of my Windows Server 2008 server is increasing continuously. In order to adjust the time, I have to shutdown and reset the time. I have tried changing the CMOS battery, but the ...
3
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1answer
131 views

Windows Server 2008 R2 system time randomly resets to 4 hours in the past

I am having a problem where the time randomly jumps to 4 hours in the past. As a result, none of the scheduled tasks (such as backups) happen at the correct time, and some time-critical applications ...
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1answer
646 views

Meinberg ntp for Windows - force more frequent updates?

I have a Windows VM that has time drift problems, and left to its own devices will drift by minutes per day. I know there are issues with time on VMs, but I was hoping using the Meinberg NTP service ...
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1answer
68 views

Is timesync still required for Windows Server 2012 R2?

Our servers are on a workgroup, we are a small company and do not use a domain controller. In Windows Server 2008 R2 we used TimeSync to help keep the most accurate time, not sure it was really ...
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3answers
827 views

Free time-tracking/timesheet software (like bugzilla/trac but for timesheets) [closed]

Are there any free tools, preferably web-based, which you can use for timesheets? I'm thinking in the same vein as tools like bugzilla, but providing standard timesheet tools - entering work done each ...
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3answers
597 views

Getting irregular timestamps on NFS file server

Here is the situation: We have a file server that is not saving timestamps to a small portion of its files (77 files out of several million). It instead writes a default mtime of 1969-12-31 19:00 ...
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0answers
108 views

Why did my Windows Server 2012 R2 timezone change overnight?

When I logged into my workstation this morning, the timezone had been changed from Eastern to Pacific. In the event viewer I see the following three events, all at 4:12:15 AM. It looks like the ...
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0answers
33 views

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, ...
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0answers
39 views

Websphere MQ - Query view message with long time in queue

I need a query or just a command to see stopped/delayed/waiting messages in a queue, but for long time.
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1answer
105 views

CentOS keeps losing its localtime setting? [duplicate]

I'm running an extremely typical CentOS 6.5 server at DigitalOcean. As part of the site setup, I've changed /etc/localtime to something appropriate for me: rm /etc/localtime ln -sf ...
1
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4answers
405 views

Setting time back on a production linux server

I am having an issue with the time on a production linux server being 2 hours fast. I need the time to be accurate for a particular project I'm working on, but am a little nervous to change it, as I'm ...
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2answers
207 views

Remote Desktop Connection Issue

I have 2 HP Proliant servers with Windows Server 2008 R2 installed on them. They are headless servers, and I do not have a way of visually seeing the user interface of the servers. I do however know ...
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2answers
64 views

Why date and touch/stat return different time value?

In my system SLES 11.2, I get strange output for file access time. The date command output the correct time: Then I create a new file "a" by running touch, and use stat to check the access time of ...
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2answers
63 views

How to configure NTP has a TAI or GPS time reference?

For our project, we would like to have all servers and systems synchronised to a linear time reference (without leap second). Therefore, we would discard UTC but are very interested in advertising ...
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0answers
68 views

demonstrate Automatic Hardware Clock Synchronization By the Kernel (11 minute mode) without ntpd

From the man page of hwclock: This mode (we'll call it "11 minute mode") is off until something turns it on. The ntp daemon xntpd is one thing that turns it on. You can Ok, I have a ...
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0answers
38 views

When does Windows Server update time for DST?

When does Windows Server update the system time to reflect the DST change? We're in EST time and we just had the DST time change on the past Sunday. We expected our servers to transition from 1:59:59 ...
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1answer
101 views

dmesg time vs system time time isn't correct

I hope that here is somebody that can help me with this strange problem. I think that i know why it is happening but i don't know how to solve it. Maybe it is because the BIOS time isn't set correct ...
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1answer
121 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 ...
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1answer
67 views

How to set up date/time on DGS-1500?

I have numerous D-Link DGS-1500-28 switches with firmware 1.00.013, 1.10.005 and 2.10.002 on it, and there are no visible option to set up date/time via web- or telnet-interface. Device uses ...
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1answer
44 views

Crontab not executing [duplicate]

I'm running CentOS 6.2, trying to run tasks through cron. I've verified crond is running $ service crond status crond (pid 20553) is running... I have no /etc/cron.allow file, but I do have an ...
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2answers
137 views

Cent OS 6 clock 3 minutes 35 seconds in the future

I run Cent os 6 64 bit on linode. server (incorrect): date Thu Aug 29 11:41:00 BST 2013 client (correct): date Thu Aug 29 11:37:25 BST 2013 As you can see the server clock is ...
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1answer
5k views

Windows Server 2008 R2 time keeps changing unexpectedly

There is a serious problem with one of my servers time. At some random hours (5:59 localtime in the following example) it goes 1 hour back and keeps doing this again and again next times it reaches ...
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0answers
22 views

apache mod_autoindex last modified format

Is it possible to change the time/date format from the output of mod_autoindex in apache? Now I get this format: 2014-01-10 But I would like to change that to: 10-jan-2014
2
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4answers
529 views

How to set the date forward on a linux server and prevent it from resetting back to the correct time

I need to set the time on an Ubuntu Server forward 1 week, and keep it there (this is for a testing environment with date-specific conditions which need to be tested/verified by the stakeholders), ...
5
votes
3answers
502 views

hyper-v server time sync source - PDC / external NTP?

The environement: 10 Hyper-V hosts, all AD joined a lot of VMs AD joined and some not some AD DCs including PDC as Guests What You think is the best approach to time sync a hyper-v farm with AD ...
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votes
1answer
43 views

Learning Curve and time needed to install/manage Centos Server [duplicate]

Completely newby question please. I always had shared hosting. Now I am about to get a dedicated Centos server. I now need to know whether I should get a managed one or not. 2 questions please: ...
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2answers
324 views

Correcting CentOS System Clock

Using the time C function (number of seconds since the Epoch) shows that the time on my current CentOS 6 server is about 7 hours behind compared to another server with the correct time. How can I ...
2
votes
2answers
436 views

How long does it take to update all the clocks in a Windows domain?

I know the answer to this might be a bit nebulous, so I'll happily accept an answer that tells me the basic rules for this. Supposing the clock in the PDC Emulator has got all out of whack and this ...
0
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1answer
290 views

Windows Server 2012 on EC2 - Clock running too quickly

I have a single EC2 Instance for a small project of mine that runs Windows Server 2012 and the clock in windows seems to be gaining a minute every hour or so and it's causing issues in my token based ...
1
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2answers
56 views

Any drawbacks for using same time zone configuration in Data Centers across time zones? [duplicate]

I operate almost entirely in one time zone. Supposing a Data Center in another time zone, it would make sense to configure the machines in that data center to use my time zone, and not local. Are ...
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3answers
43 views

Microsoft Exchange: can I view the time when an email was written?

Is there a way to check when an email was first written (not sent) in Microsoft Exchange?
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1answer
85 views

Gentoo server time issue, can't manually set time, NTPD won't correct, too big of a time difference

So, my server is living in the future, unfortunately I can't get lottery numbers, or stock picks out of it. It thinks this is the time: Thu Nov 7 04:07:18 EST 2013 Not correct, I tried to set the ...
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2answers
181 views

“Issued certificate not yet valid.” with wget?

I am getting the following error when using wget to fetch a file: Issued certificate not yet valid. To connect to www.atlassian.com insecurely, use ‘--no-check-certificate’. Testing with openssl ...
2
votes
1answer
172 views

How often does a Linux check it's /etc/localtime file

I am trying to troubleshoot a problem. Some very helpful information would lead me to a solution is: Often does Linux check the /etc/localtime file? Additionally if there is a configuration file to ...
0
votes
1answer
631 views

Cannot change date/time on virtualized centos install without a reboot

I have a dedicated web server which is running centos with xen virtualization that has centos installed on the vm. I do not have access to the parent server, I can only manipulate the vm, of which I ...
1
vote
2answers
2k views

Setup of NTP on Hyper-V servers

I am having problems with NTP setup on our Hyper-V host and clients. I am not using Domain Controller (almost all advise is given for DC's which I am not using). On all servers I have used the ...
1
vote
0answers
40 views

CentOS time jumps every microsecond

It's a very strange thing. If I run this shell script on the server CentOS 5 (32 bits). time.sh #!/bin/bash for i in {1..10} do NOW=$(date +"%M:%S") echo "$i $NOW" done ...
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votes
2answers
142 views

Windows Event Log SystemTime format [closed]

The follwing timestamp was created during an Windows Security Log TimeCreated [ SystemTime] 2013-10-07T07:31:09.122037600Z In this timestamp I can't understand what 122037600Z part means? Do ...
2
votes
2answers
868 views

Server time off by 1 hour on linux CentOS 6.3 using NTP

So i've setup NTP on my linux CentOS server but my server time is still off by 1 hour. Currently it is 3:53am EST however, on my linux machine it shows "2:53 AM EST" this is with NTP and using ntpdate ...
2
votes
2answers
377 views

Set up an NTP server to allow local machines to be syncronised for Linux

I am trying to set up a machine to act as an ntp server to which the other local machines will syncronise their times to. This needs to happen regardless of whether the ntp server machine is connected ...
6
votes
3answers
417 views

Easy way to get the International Atomic Time on linux?

My system uses UTC for the system clock, which I don't particularly feel like changing. Is there an easy way to get the current TAI time? (preferably a command line tool or flag)
2
votes
1answer
273 views

EC2 Instance time and hardware clock

I have set up an EC2 instance, running ArchLinux, for use as a server. Doing what I always do when installing Arch, I try to fix the time by using: # hwclock --systohc --utc This does not work, and ...
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2answers
27 views

Moving large number of files since date

I've recently moved a large number of files from one server to another with tar -c files_in_dir | ssh user@111.222.33.444 'tar -xvf - -C /new/server/files' Which worked very well. However, I'd like ...
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votes
1answer
997 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 ...