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

4
votes
1answer
222 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 ...
1
vote
3answers
2k 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 ...
2
votes
1answer
652 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." ( ...
0
votes
1answer
288 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 ...
3
votes
2answers
570 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 ...
1
vote
1answer
152 views

Is there better soulution to synchronize time between machines than ptpd? [closed]

I'm working on Debian machines in local network, and I'm using ptpd to synchronize them as much as possible. Is there a better solution (working on GNU/Linux) to get them even more synchronized over ...
0
votes
2answers
91 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 = ...
1
vote
3answers
2k 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 ...
3
votes
1answer
1k 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 ...
1
vote
1answer
6k 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 ...
0
votes
1answer
676 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]: ...
1
vote
1answer
528 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 ...
1
vote
1answer
693 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 ...
-1
votes
1answer
220 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. ...
3
votes
2answers
2k 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 ...
4
votes
3answers
357 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?
1
vote
1answer
165 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 ...
0
votes
1answer
181 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 ...
0
votes
2answers
65 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 ...
0
votes
2answers
245 views

Time and date simulation for application

Is there any possible way how to simulate different system time for application/ service ? I need to send for ex. date 20.4.2012 to one app, but need to have real date and time set in windows. Thanks ...
0
votes
1answer
52 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
votes
1answer
156 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 ...
1
vote
3answers
286 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 ...
2
votes
1answer
123 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 ...
9
votes
3answers
10k 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 ...
0
votes
1answer
333 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..
1
vote
3answers
108 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 ...
1
vote
3answers
1k 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 ...
1
vote
2answers
259 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 ...
1
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
2k 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 ...
0
votes
1answer
856 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
196 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 ...
1
vote
2answers
89 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) ...
4
votes
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 ...
1
vote
1answer
146 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 ...
16
votes
2answers
2k 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 ...
1
vote
2answers
20k 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 ...
1
vote
1answer
4k views

Using w32tm to resync all computers on a domain

I've noticed the time on all of our computers seems to be off by about 5 minutes. I think most computers are set up to sync time with one of our servers. after running a net time or a w32tm /query ...
0
votes
1answer
820 views

Fake Server Uptime (Linux/Windows) [closed]

Is it possible to fake the server uptime in any way (throttling the time).?(Linux/Windows). I guess it will cause serious troubles, still just wondering. -Cheers
0
votes
1answer
61 views

Windows timezone

In Windows, we can change timezone easily. But I have one question. In the dropdown list, there are several options for the same timezone. For example, for UTC+8, we can see these options: (UTC+08:00) ...
3
votes
2answers
613 views

How to synchronize windows server date/time?

I administer multiple Windows servers. One issue I have is that the time gets out of sync, and this becomes noticeable over a week or so. For example, my app server system time could be different ...
2
votes
1answer
288 views

Who sets NFS modification time - client or server?

I was curious about what exactly time is going to NFS file metadata when client writes a file. My assumption is that client time is recorded and not NFS server's time. But I wasn't able to find out ...
4
votes
1answer
605 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 ...
1
vote
1answer
84 views

print from a specific time in a log time

I wrote a script to print 5 days prior to the end of a log file ! and now I want to change it in some way to print 5 hours prior to the end of the file ! this is the script : for d in \ $(sed ...
0
votes
1answer
2k views

nginx with php5-fpm, maximum execution time exceeded

In php.ini I have set "max_execution_time = 1200", phpinfo() confirms that, but my script stops after 300 seconds with message: "PHP Fatal error: Maximum execution time of 300 seconds exceeded" ...
2
votes
2answers
145 views

Better to use same or closer NTP servers when distributed?

I have a group of servers located in several data centers. They should all be synced so that they have the same time, and ideally, should also have the correct time. Is it better to sync them all ...
1
vote
2answers
469 views

Linux time incorrect

I've a Ruby file which executing creates and XML file and saves it. Every time it does it the time for the file (last modification) is incorrect (1 hour ahead). I also noticed that cron jobs execute 1 ...
2
votes
2answers
1k views

converting INT to DATE / TIME

I have a table that holds date and time values as INT data type. eg a date is stored as YYYYMMDD, like 20110901 and a time is stored as HHMMSS, like 21826. The date is close to ISO standard so its ...
2
votes
3answers
5k views

Windows Time out of sync

We have 5 virtual Windows 2003 servers running Citrix in our company, that users can log onto, Every so often one of the servers will change it's date/time so far ahead, users are unable to log on ...