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 ...
3
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1answer
218 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 ...
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
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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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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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
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
81 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 ...
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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 ...
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1answer
81 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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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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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
67 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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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
136 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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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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1answer
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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0answers
55 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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1answer
310 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
185 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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115 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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525 views

ntpd daemon doesn't start automatically in FreeBSD

I wanted to setup ntpd the right way - so not with a crontab entry. I followed the guide in the FreeBSD docs: create an entry with ntpd_enable="YES" in /etc/rc.conf checked that everything works ...
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1answer
96 views

How exactly date/time works in MySQL with timezones?

My understanding was: everything is UTC internally dates are displayed in @@session.time_zone timezone for current session if I do INSERT with +02:00 TZ set and insert 2015-05-15 10:54 it is parsed ...
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1answer
192 views

How to synchronize the time in Debian6 server? We have 30 min delay in our VMs

I can't have the correct time in our servers. We get always the same delay in the three of them (they are VM on the same server). We use ntp to have our date always synchronized· The main server ...
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1answer
43 views

ntp synchronize time between peers

I am a newbie, so please bear with me. I have a network of around 10 computers for which I want to synchronize their time up to millisecond precision. The computers do not have Internet connection. ...
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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 ...
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28 views

Windows Server 2008 NPS Granular time

Like a previous poster I am configuring NPS as a RADIUS authentication source for my wireless clients. I need to impose a Time and Day restriction to the Network Policy that need to be more granular ...
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1answer
457 views

MySQL Time Different from System Time

I'm having an issue where MySQL is reporting the time as six minutes later than the system time. I have verified all my timezone settings are correct but don't know how to troubleshoot the six minute ...
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1answer
3k views

Does NT5DS time synchronization have any place in a mixed Windows / Linux environment?

I am working on a plan towards overhauling how time synchronization is handled on our network. Currently our network is predominantly Windows-based, in a fairly standard AD domain broken up into ...
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86 views

Run application from network drive takes long

This problem started recently, and I wasn't able to find a solution. Not even formatting solved. We have a program on our network drive and the Whole company accesses to this single exe. Usually the ...
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3answers
640 views

Why my browser wouldn't load all image resources at once?

I am trying to optimize the loading time of a webpage. Currently, the main http request can be done in under a second, however, the consenquent loading of images seems "to cascade": http://picpaste....
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2answers
163 views

How to speed up (very remote) overloaded server connection

I'm living in France and I need to load a page from a far far away server (still in the same galaxy). "Far" is Canada to me, meaning over 8 000km of internet cable. The problem is, this server is ...
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1answer
463 views

How do you manually trigger the first sync for 'Internet Time' in Windows?

When launching a Windows Instance on AWS I'd like to trigger the "Internet Time" to be updated via the command line (powershell or cmd). If I go to "Adjust date/time" and select the "Internet Time" ...
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1answer
545 views

Time issue in Windows domain Hyper-V

I ran command on our Domain Controller that has PDC Emulator Role: w32tm /config /manualpeerlist:"0.pool.ntp.org 1.pool.ntp.org 2.pool.ntp.org 3.pool.ntp.org" /syncfromflags:manual /reliable:yes /...
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1answer
202 views

Time problems in a Windows domain

I need some help getting NTP set up correctly on our Windows domain. We have 2 physical servers: Physical Server 1 Domain Controller (DC1) Physical Server 2 (Hyper-V Host) Data 1 (also a Domain ...
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3answers
4k views

Where do computers/servers in a Windows Domain get their time settings from? [duplicate]

I have 5 Windows Server 2012 servers and around 100 computers in our domain. Recently I noticed that the time on the servers and computers is around 30 seconds fast. Where do servers and computers ...
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1answer
120 views

Will changing the date or time on windows server 2008 break any websites or anything else?

Sorry if this is a newb question, but I was told by someone about a month ago that if I change the date and/or time on one of our servers it could break our websites or something. I can't fully ...
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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 ...
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1answer
109 views

How to correct the time on a Red Hat EL6 server? Clock is almost 3 hours behind

This did not work: [~]: sudo /usr/sbin/ntpdate pool.ntp.org 19 Feb 08:03:26 ntpdate[6939]: the NTP socket is in use, exiting So, I'm not sure how to proceed... also tried this to no avail: [~]: ...
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1answer
212 views

date and sleep during leap second [closed]

Did you ever watch what happens with a sleep during a leap second or what date will show us? Most UNIX systems can handle a sleep with a fraction of a second and the date command can display ...
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2answers
83 views

bind cache not used?

i installed a classic bind9 dns server inside a local network, working as a forwarding dns server, there is my config file (i just added my ISP DNS servers as forwarders): options { directory ...
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146 views

Using RTC to synchronize ntpd when offline

I need a stable configuration, presumably using ntpd, to keep system clock as precise as possible. Background: I have several embedded devices (arm9) running linux (currently: 3.16.1 / debian 7.2) ...
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258 views

Syslog randomly logs bad time [duplicate]

Try as I might, I can't figure out why this server randomly timestamps syslog entries with bad time. Here's a 5-minute stretch of syslog from a few minutes ago. You'll notice there are two places ...
2
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1answer
141 views

system clock skewing backwards 112 seconds

I'm troubleshooting a problem on one of my NTP servers. This server seems to defy logic, and I'm at my wits end trying to troubleshoot it. Roughly every 162 seconds, the system clock reverts to (...
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3answers
4k views

What is a ToD server, “Time of Day” (Not NTP)

I got a simple task: Setup a ToD server... It is not NTP. It runs on port 37. It seems to be bundled with inetd or xinetd. Shall be installed on Debian or CentOS. Alternatively FreeBSD (pfsense ...