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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576 views

Webmin time module and CentOS [closed]

When I try to install webmin time module on my VPS running CentOS I get this error message: Failed to install standard module : Module time does not support this operating system (CentOS Linux ...
2
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1answer
523 views

NTP: ntpdate to sync time between the PCs on a private network

I have two systems. One acts as Primary/Active and has Internet connection and gets time from NTP server. The second system is Secondary/Passive and has no connection to the external world. Primary ...
3
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1answer
164 views

Unix Command to timestamp the output of a file, but with the relative-to-when-it-started time?

There are numerous programmes (e.g. ts in moreutils), and various bash one-liners to prepend the output of a command/pipe with the timestamp of when that line was 'printed'. However is there a ...
7
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1answer
3k views

Single NTP server on isolate network

I have two linux machines (A and B) on an isolated network. They must be time-synchronized. Machine A is powered intermittently and must serve the time, as it is connected to an authoritative time ...
3
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2answers
495 views

Windows Time Service OS Compatibility

Some of our servers have Domain Time II on them but we are having to make the possible decision to buy over 100+ licenses for Domain Time II or enable the windows time service. The installation of ...
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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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3answers
1k 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)
4
votes
1answer
253 views

Apache HTTPD process cumulative cpu time

How can I aggregate all Apache HTTPD processes' CPU time usage to be able to compare them with other running processes' (MySQL, Java, ...)? Or how much CPU time does HTTPD needs compared to MySQL for ...
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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 ...
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1answer
2k views

Time Synch Architecture in Windows Domain Environment

I just read the following article -- "In a domain, time synchronization takes place when Windows Time Service turns on during system startup and periodically while the system is running." ( ...
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1answer
479 views

System time problems on Debian (wait for clock tick timed out)

I just installed a new server and changed the time zone by using the command: dpkg-reconfigure tzdata the system clock is correct now but /sbin/hwclock --systohc doesn't work: select() to /dev/rtc ...
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1answer
329 views

Upgrade to Squeeze on KVM VM causes clock problems

So I have this VM (I don't have access to the host system) running Debian Lenny, with the following kernel: 2.6.32-bpo.5-686 #1 SMP This morning I upgraded the VM to Squeeze (finally), and as the ...
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2answers
779 views

CentOS 5 clock running twice as fast

The system clock on a CentOS 5 install is running twice as fast as it should. The hardware clock is fine, and when I run a ntp sync, it resets to the correct time. But within 2 minutes, it is already ...
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2answers
99 views

Timekeeping between various Windows computers on network (but not all)

I have a situation where I have the following setup: ============Primary Network=============== = = Bridging Server = ...
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3answers
3k views

Linux Centos 6.2 “hangs” until date is synchronized

I'm having a problem that i cannot understand why or how to solve it. I have a Centos 6.2 server, that's my secondary DNS (bind 8) and DHCP (ISC's dhcp server). I need to maintain an accurate date ...
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1answer
2k views

Correct time drift throughout entire Windows domain

I have done a lot of research but failed to find a reliable answer to our problem. The short story is our entire Windows domain is running 35 minutes slow. I.e. servers and workstations. I think ...
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1answer
12k 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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vote
1answer
925 views

ntpdate cannot receive data

I have a problem where running ntpdate on my server doesn't return any data therefore I get the following error: [root@server etc]# ntpdate -d -u -v time.nist.gov 12 Apr 01:10:09 ntpdate[32072]: ...
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1answer
931 views

Measure query execution time in bash

I need to measure a query total execution time from inside a bash script. Somebody told me to submit something like: mysql --user="someuser" --password="pw" -D "dbname" -e 'your-sql-command;' Is ...
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1answer
898 views

Time sync fails on Hyper-V VM, but succeeds when I log in as a domain user

We have a Windows Server 2003 SP2 VM running on Hyper-V (Server 2008 R2 host). The VM has Hyper-V time synchronization enabled. I noticed that the time on the VM was fast by around 25 minutes. I saw ...
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1answer
349 views

Multiple NTP Server Instances on One Server (Linux)

Is it possible to run multiple NTP server instances on the same system? We're using CentOS for our NTP system and want to synchronize specific time depending on what interface the client comes in on. ...
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2answers
4k views

Increase rsyslog/syslog precision to include fractional seconds?

I use syslog and rsyslog to handle logging on my Linux & FreeBSD systems. The timestamp is currently in seconds but I would like to increase the precision of these timestamps to include ...
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3answers
660 views

Windows time command equivalent

There is a command in Linux that outputs system utilization called time. Is there a Windows equivalent? Or how else can I manually use the task manager commands in a batch file?
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1answer
440 views

How to find date/time used by Cassandra

Earlier this morning I noticed that one of the nodes in our Cassandra cluster is writing logs an hour in the future, despite the date/time being correct on the OS. A couple of other nodes I checked ...
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1answer
227 views

Re-Syncing and Updating Domain Controller Clocks

Right now in Windows Server 2008 R2 I have ran this in the Administrator: Command Prompt. w32tm /config /manualpeerlist:bigben.cac.washington.edu /syncfromflags:MANUAL net stop w32time & net ...
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2answers
71 views

What would be the down sides of running a VPS on GMT time instead of American time?

I have a VPS which is hosted in America somewhere. It's alright and does a job. However, while configuring the web mail system on the VPS, I noticed that the time displayed was for America and not ...
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1answer
53 views

process in the background

I have loop in shell script and it takes time process only a few files in the list. How do I push the process in the background and select the next file while the first file is still being processed? ...
2
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1answer
174 views

RHEL: Timezone change affected processes

I'm having troubles by a recent time zone change (the time went an hour back). Even though using the date command returns the correct time and date, i'm having trouble with programs that use log4j (it ...
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3answers
361 views

Problems with time correction on Debian

I am trying to correct the time on the Debian server. I selected my timezone in the /usr/bin/tzselect I select the correct continent and country, when the system asks me if the date is correct and ...
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2answers
367 views

Add time to Windows script

I have this mini Windows Script which is execute every hour it basically create a file every hour but I need to rename the file using date (which is already done) but I am not able to add the time ...
2
votes
1answer
212 views

Do CDMA based time servers passively read timing information from the cell network?

GPS based time servers are receive only, that is, they passively read the timing information from the GPS network. Do CDMA based time servers work the same way? In other words, do CDMA based time ...
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4answers
21k 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
324 views

How to prefix logs with date and time

How to prefix all logs with date time before they are written to the log file? Let's say I am logging unexpected errors in crontab in the following way: python somescript.py >> /tmp/output.log ...
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1answer
530 views

running cron once a minute 8am-8pm

i need to run cron job once a minute 8a.m. - 8p.m. my code is: */01 8-20 * * * user /usr/bin/php -f script.php > /dev/null but it seems to fail..
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3answers
115 views

2008DC Time Server

OK, stupid question for the day ;) How do I setup a 2008R2DC to be the domain time server? I have the link to the MS KB article and I have the link to the pool.ntp.org site with a whole bunch of ...
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votes
3answers
975 views

Clock is 10% faster than normal

I'm having some strange problem with the clock on my server – it's about 10% faster than normal. The problem started 2 days ago and I've not done anything special with the server. I tried to turn of ...
5
votes
2answers
14k 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
2k views

sync time on linux using ntp and persist it

on linux to sync time with ntp you say ntpdate pool.ntp.org however after reboots, the time gets reset to some odd value again. is there a way to persist the changes? how do I set the computer ...
2
votes
4answers
457 views

Anybody tried to use graphic card as a precision clock on a Windows server?

I am thinking (constantly) how to make my server be synchronised better than it is. I run some cheap app which syncs me with some stratum 2 server on the colo and drift is about 1-2 ms per 10 sec ...
2
votes
2answers
332 views

Windows 2008 - Time Sync

What is the threshold in Windows 2008 when the local clock differs from an NTP source and it will not synchronize? For example, if the local time is off > 2 days, will NTP still sync? Is there a ...
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vote
1answer
2k views

Windows 2008 R2 64 bit multihomed. NTP time synching issue

I have a DMZ machine that i wish to sync to a time source ().pool.ntp.org. Perimeter Firewall is setup to allow relevant ports through. Obviously local FW on the server is on and configured to allow ...
2
votes
2answers
3k views

How can I allow a limited user to change the system time in Windows 7 without disabling UAC?

I need to allow a couple specific users rights to change their local system time in Windows 7 x64. I have already assigned them the right through group policy using the "Change the system time" user ...
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vote
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 ...
5
votes
2answers
203 views

date +%s glitches

I have a strange issue I'm starting to troubleshoot and wondered if anyone would have any helpful tips. I have a cronjob executed every minute that executes a script and appends the output to a file ...
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vote
2answers
94 views

Run a job once at a specific time

I'm trying to create a cron that will run one time at a specific time. For simplicity, how can I create a cron that will run at 11:57PM and print "Hello" to the screen then delete itself? (Cent OS 5) ...
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vote
1answer
89 views

Is it possible to set the date/time on a Fedora 14 server and have it retain the setting on reboot

I've successfully set the date/time and, after reboot, it is reset [or, at least, off]. I use Linode to host the F14 VPS. Fix: set proper time zone in /etc/sysconfig/clock
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1answer
1k views

Syncing Domain Controller Clocks

It appears some computers in our computer lab have clocks running about 3-4 minutes fast. As of right now, when we join a computer to the domain, it sets the clock based on our server's Domain ...
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vote
1answer
165 views

Current time is off on a Windows 2003 Server DC

I have a single server that is also a domain controller in a cabinet, there are no other servers attached to its domain. I've reset the time in the BIOS (from what I recall) and in Windows to the ...
18
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2answers
3k views

What is the largest hardware clock update the Linux kernel “11-minute mode” can make?

When certain time-related programs (like ntpd) are running on a Linux system, the kernel will switch into so-called "eleven minute mode" (see the hwclock man page) whereby it will automatically update ...
2
votes
2answers
32k views

WS2008 NTP - Using time.windows.com,0x9 - Time always skewed forwards

I have a domain controller configured to use time.windows.com (with 0x09 flags set). I've noticed that frequently the systems' clock is fast - it varies from 10 minutes to even 45 minutes. I always ...