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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Time sync on non-domain joined servers

I have a server which is in a workgroup in a separate network from the rest of the domain. As a result, it cannot use the domain controllers as a time source. The server is a Windows Server 2012 R2 ...
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4answers
3k views

VMware: How to keep time in guest after suspend

I have Gentoo installed as guest OS. I have hardware clock synced with host system, but the clock of OS tend to be wrong after suspend. The only solution I find out is run hwclock -s frequently via ...
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1answer
205 views

What time zone is a cron job using?

I'm guessing there's a difference between my PHP time and the server time. When I check the current time in PHP, it's showing that MST is being used. However, cron jobs aren't running at the correct ...
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29 views

Linux Time Zone + why UTC TZ is set when we remove the localtime file

I have Linux RedHat version 5.1 I just want to know how the OS know to return to the default time Zone What is/are the file/s that defined the OS to use the default Time Zone - UTC for example We ...
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1answer
5k 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 ...
3
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1answer
18 views

Interpreting timestamp format on iDRAC servers

The timestamp format on the DELL iDRAC format I have is the following: 20160714195526.000000+000 20150325225105.000000+000 20150311200640.000000-300 How should I interpret it (I want to parse it to ...
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1answer
3k 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
23 views

which table should I query for date & time in zabbix?

i need to query date and time in zabbix server. which table exactly stores these 2 parameters? Actually there is a table named history and there are two fields in that table named "clock" and "ns", ...
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3answers
15k views

How to temporarily stop time syncing with domain controller?

I wish to do some testing on my local machine which requires me to put the date forward a year. So I can test some stuff in SQL Server (i've found it not possible to override the sql server time). ...
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3answers
5k views

Allow Facebook access only in specific hours of the day with squid

I've been able to install squid on my Ubuntu Server with basic authentication and everything works perfectly. Recently the boss asked to block facebook access and I did it with no problems. Now it ...
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0answers
8 views

Haproxy log in with more precision

Using Haproxy, is there a way to log Tq/Tw/Tc/Tr/Tt values (HTTP mode) with more precision? (or in different units than milliseconds, e.g. in microseconds)
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2answers
1k views

Virtual PC: Issues with clock when guest Linux has a different timezone to the host OS

I'm running Linux (Centos) under Virtual PC in Windows 7. Guest is set to a different time zone then host OS and none of them are UTC. The issue is that when guest boots its time is always set to ...
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1answer
37 views

Linux timezone not changing

Unable to change the timezone to PST8PDT even after trying all the possible methods [root@test ~]# date Tue May 10 07:24:18 EDT 2016 [root@test ~]# ll /etc/localtime lrwxrwxrwx 1 root root 27 May 10 ...
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1answer
21 views

Measuring system clock (time) of a remote server

What are the network protocols that can be used to measure the system clock (time) of a remote server? So far I have: Query with NTP TCP Timestamps HTTP headers Are there any other?
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0answers
62 views

How to change server time safely for testing purposes

We have a Debian server (in a VM) running a Java application on a Tomcat server, using a Postgres database. It's a testing environment, so we can do anything we want to it. Every once in a while, we ...
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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 ...
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1answer
44 views

How to set a timezone of an E2 instance?

I have a Ubuntu server on Amazon AWS EC2. When I log in there, I see there the following system information: System information as of Mon Apr 11 06:42:30 UTC 2016 I am currently in LA, CA - so here'...
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1answer
78 views

Correcting Time Problems - Cisco Switch - DHCP Options Daylight Savings Time

I inherited quite a network in terms of centralized or correct configuration. The prior administrators did not configure many basic services correctly and myself and my Senior Administrator are now ...
112
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10answers
161k 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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0answers
23 views

DisableAutoDaylightTimeSet registry change doesn't work on WinXP

I have some PC's in my domian and they have windows xp .I'm trying to uncheck automatically adjust clock for daylight saving changes box from registry . I added the following key ...
0
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1answer
79 views

MySQL logs different time than NOW()

MySQL server logs entries with different time than system or mysql itself: mysql> select @@global.time_zone; +--------------------+ | @@global.time_zone | +--------------------+ | SYSTEM ...
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4answers
833 views

Uptime of a Windows machine

How can one find out 'real' uptime of a laptop? By 'real' I mean the time since turning it on and resuming Windows from hybernation state.
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1answer
31 views

How system time is calculated in ubuntu 14.04?

I have two vps (ubuntu 14.04, bought from a provider) and looking at their system time (doing a date) i see 6 minute of difference: Wed Feb 3 11:57:48 CET 2016 Wed Feb 3 12:03:52 CET 2016 I did a ...
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2answers
7k views

Windows Server 2012 time keeps setting itself 12 minutes ahead

Our Active Directory server has a problem whereby the time keeps setting itself 12 minutes ahead of the real time. This causes authentication issues on the network. I have tried syncing to an ...
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1answer
46 views

Adjust time settings on server: change time or timezone in OS, or configure graphite settings?

So I have a server collecting metrics via StatsD, which get aggregated and shown via the Graphite webapp. If I mark the Auto-Refresh option in my chart, the time doesn't match with the time I'm on. I'...
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1answer
65 views

auth log file shows wrong time?

I was looking at the auth log of my server, and I was surprised to see that the times are offset. root@server:/home/admin# date Tue Jan 12 09:51:36 CET 2016 root@server:/home/admin# tail /var/log/...
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2answers
82 views

System clock always resyncs after setting it

I'm setting the system clock using the following command: date -s "31 DEC 2015 12:00:00" Immediately after executing I run just date and see that the date and time is December 31 2015. Then, after ...
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3answers
9k views

How to make Jenkins CI use Local time instead of UTC on debian squeeze

I have a Jenkins-ci installation on a debian squeeze. Current default time zone: 'America/Toronto' Local time is now: Mon Jul 9 16:00:57 EDT 2012. Universal Time is now: Mon Jul 9 20:00:57 ...
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1answer
34 views

Why does host+curl take longer than host alone and curl alone?

I asked this on networkengineering.se, and they suggested I move it here. I tried to test the speed of my website, so I used time curl "http://google.com" The result ended with real 0m15.589s ...
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2answers
134 views

NTP server time drifting

We currently do not have NTP (Network Time Protocol) appliance in our environment. So we are using one of server as NTP master server and remaining servers are synced with this using NTP port. Is ...
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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 ...
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0answers
49 views

Windows 2012 offline time server

What is the best way to run a time server from Windows 2012 where the server has no access to the internet? I would like PCs to be able to use the server as a time server by simply using the server's ...
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69 views

How long a latest rack server in data center takes to boot? [closed]

For an short/simple experiments, I need to know how long a latest rack server Xen/Vmware hypervisor installed with its utilities takes time to boot up (cold boot)? In our lab we do not have rack ...
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0answers
31 views

Chrony setup using RTC as fallback

I have an embedded system (ARM9/Buildroot) that may or may not be connected to the Internet (usually it is, but it should work also in "detached" mode; connection may come up a long time after boot). ...
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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 ...
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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 ...
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4answers
23k views

How to convert 'dmesg' time format to 'real' time format

I have (for example) this log entry in dmesg output: [600711.395348] do_trap: 6 callbacks suppressed Is there a possibility to convert this 'dmesg' time to 'real' time to know, when this event ...
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1answer
1k 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
115 views

System clock jumps over 50 seconds randomly

Having a really strange and frustrating issue with system clocks across a few (non virtualized) Ubuntu 12.04 servers. The system clock jumps unpredictably by over 50 seconds. Here's a part of the ...
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2answers
1k views

Prevent users from changing the system time on windows

I don't want users to be able to change the system time. For this, I have set the Group Policy "Change the system time" to include only my Administrator account. I want to know the validity of this ...
4
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2answers
6k views

datetime format changed between mysql 5.0 and 5.1?

I've upgraded a mysql slave from mysql 5.0 to mysql 5.1. during the catch up, the replication failed on a query with incorrect datetime value: 110919 13:56:18 [ERROR] Slave SQL: Error 'Incorrect ...
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0answers
54 views

Apache directory listing show seconds in “Last modified” (full time)

Is it possible in Apache Directory listing to show full time, including seconds in "Last modified" column? Can I change the format of this timestamp?
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2answers
2k 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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3answers
6k views

System clock drifting out of sync with hwclock and ntpd

My current system drifts from the hwclock and ntpd dramatically. I've looked at many forums and posts online and on SF, but haven't found a suitable solution. Here is my ntpq -pn output: remote ...
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3answers
1k views

Risk of starting NTP on database server?

I've heard rumors of bad things happening to database and mail servers if you change the system time while they are running. However, I'm having a hard time finding any concrete information on actual ...
23
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4answers
147k views

How do I force sync the time on Windows Server 2008 R2 Domain Controller?

What is the command to sync a Windows server domain controller to its configured time source?
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1answer
309 views

Iptables time-based rules having no effect - Gateway with 2 NICs

I have a network with the following topology: - WAN Modem with NIC facing the gateway: 192.168.0.1 - Ubuntu 14.04 gateway with two NICs: 1) Eth0 (facing the modem): 192.168.0.201 2) Eth1 (facing ...
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1answer
182 views

How to find source of system running slow clock?

I've a problem on one of my Gentoo server. After some time, the clock starts running very very slow. It takes about one minute for one second to go. The major problem is that not only the clock is ...
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0answers
114 views

Windows Server internet time server reset after restart

I encountered an issue with Windows Server 2012 (running as a virtual machine), after an unplanned restart: the original internet time server - time-b.nist.gov - changed to time.windows.com. This set ...
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8answers
39k views

Need leading zero for batch script using %time% variable

I came across a bug in my DOS script that uses date and time data for file naming. The problem was I ended up with a gap because the time variable didn't automatically provide leading zero for hour &...