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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225 views

Reset kernel time (PLL/FLL)

ntp trys to adjust the kernel's time variables, in order to improve the performance of a free-running time. I am searching a way to reset these variables, but I can't find a programm/command to do ...
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2answers
73 views

throw memory to a process

I have a process that inserts 10 million records into a mysql db and is running on a linux box with (4 * 2.13GHz processors + 4 gigs of Memory ). Right now it takes ~2 hours to complete and I'm not ...
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1answer
6k views

System time is wrong in Proxmox VE host, how can I fix it?

I'm using the latest version of Proxmox VE (which is based on Debian) and I can't fix the wrong time problem: $ pveversion -v pve-manager: 1.7-11 (pve-manager/1.7/5470) running kernel: 2.6.32-4-pve ...
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3answers
463 views

Unix timestamp deviation

I have two Ubuntu servers which synchronize their timestamp to europe.pool.ntp.org every night. Just before they sync, I can see a difference of 4 seconds between the two servers. One of the servers ...
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1answer
975 views

Time difference between two machine clocks?

Is it possible to measure or some other way find out the difference in clock/time between two windows 2k8 r2 machines?
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1answer
250 views

Why does the time it takes to run this script differ so much between user and system and how I might correct the discrepancy?

My application sits behind a load balancer, and every once in a while I like to do a status check on each machine to get an idea of the time it takes to return an index.html document on each machine. ...
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2answers
238 views

Average response time

Im trying to find some benchmarks for average response time. We have 3 sites that have a response time between 5-7 seconds. They are US sites but their servers are located in the UK, could this have a ...
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2answers
165 views

Testing application timing

We've developed an in-house application, with several related crons that execute at some time during the day. These crons are designed in such a way that they make sure that they ignore, for example, ...
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3answers
4k views

CentOS 5 VPS - setting the date and time

I've just tried to set the timezone on my VPS to Europe/London: ln -sf /usr/share/zoneinfo/Europe/London /etc/localtime This was fine. However, the time is now wildly out: $ date Sat Feb 5 ...
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5answers
2k views

How does Windows handle Time? Updating RTC, etc. (Active Directory and Novell E-Directory)

I'm troubleshooting some time issues in my domain and before making any big changes I want to have a thorough understanding of what's going on. I've got a few lingering questions at the moment: What ...
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5answers
1k views

precise time synchronization of solaris servers with NTP over LAN / WAN

I have 2 servers on a LAN that I want to precisely synchronize. the goal is to have a time difference < 500 microseconds, constant, with no drift (from what I've found on the web, this is ...
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2answers
758 views

unix timestamp wrong time with rrdtools

I have problem with unix timestamp ( date +%s ). This command gives me a GMT time, however I am using CET, so the unix timestamp is in 1 hour late (and my rrdtool database too!). How I can change unix ...
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2answers
1k views

Format output from /usr/bin/time to ignore parts of seconds

I want to measure the elapsed time of a command, and show it without fractions of seconds no matter how little time it takes. For instance, /usr/bin/time -f "%E (real)" SOMECOMMAND might return ...
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2answers
511 views

SW clock drift problem

i got a problem: my linux software clock seems so have a big drift. In order to correct this (and to make ntpd work) I ran adjtimex. And adjtimex "meassured" a drift over -1700s/day and corrected this ...
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2answers
22k views

Windows 7 machines won't sync time

I configured my Windows Server 2008 box as an authoritative time server using the instructions here: http://support.microsoft.com/kb/816042 Port 123 is open for incoming and outgoing connections on ...
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7answers
6k views

Local or public NTP servers?

For a relatively large network (thousands of hosts) - what are the arguments for and against running a locally managed (pool of) NTP server(s) (perhaps periodically set via some public NTP server) and ...
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7answers
75k 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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3answers
18k views

How can I compare an ntp server's time to my server's time?

I have ntpd running on a box. I want to see how the time on the box compares to the time retrieved from ntp.ubuntu.com. Is there an easy way to do this?
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2answers
722 views

Change local time on XP box - local admin but group policy restricts time change

I am a developer in need of doing some temporal unit testing on my local XP box. I am local admin but there is a group policy enforced centrally that prohibits changing local time (a severe case of ...
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3answers
28k views

Config Time Service on Server 2008 DC using Group Policy Only

I want to configure the Time Service using only GP in a Server 2008 R2 domain. I have created a GP as follows: Computer Config, Policies, Administrative Templates, System, Windows Time Policy: ...
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1answer
169 views

Log “date -s” command

I know that the date -s <STRING> command sets the time described by the string STRING. What i want is to log the above command whenever it is used to set the time into the file ...
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1answer
963 views

Query NTPD's monlist remotely?

How do I query NTPD for monlist remotely? It would be nice to be able to keep track of what's happening with the time server!
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2answers
3k views

Windows Server 2008 - inexplicable system time jumps/glitches/inaccuracies

I'm running a production web server on Windows Server 2008. On this server I have a database which logs certain user actions, but every now and again I inexplicably get database entries which, ...
2
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5answers
2k views

How can I keep the system date on my VM in synch with the real world?

I'm running Ubuntu Karmic on a VM with VirtualBox 3.2.8 (I need to update...) and I've just noticed that the system time on my VM is out of sync with the real world. It seems that the time will synch ...
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4answers
830 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), ...
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2answers
903 views

What increments stratum in NTP?

Sorry, it's just not that clear to me from the man pages, Wikipedia, etc. I understand the concept of stratum 0 as an authoritative time source and stratum 1 as the connected server. However, I am ...
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4answers
5k views

How long does a RAID-5 array of 4x1TB disks take to format ad synchronize?

Greetings all, I have been configuring my RAID5 array of 4x1TB hard drives on my Windows Server 2008 (software array). How long does it normally take to format when using the normal Server ...
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3answers
9k views

System time keeps reseting to 4 hours in past event thought time zone is correct and time is being synced

I have a Windows 2008 server - 32bit - running in an ESX environment. I can manually sync the time to a time server (time.microsoft.com, tick.gatech.edu, or any other time server) and the time is ...
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3answers
3k views

How can I syncronize a non-domain server to a domain-controller's clock?

Is it possible to configure a Windows Server 2000 OS to synchronize it's clock to a domain controller if it's not on the domain? If so, how would I go about doing that? Just to be clear: I can't ...
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2answers
10k views

'This server's clock is not synchronized with the primary domain controller's clock' when accessing shared drive

This is so weird I feel compelled to ask for advice. I have a handful of workstations who are receiving time from a GPS timeclock. The PDC has the default domain policy set to use the GPS timeclock ...
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1answer
1k views

Is it possible to log php script execution time server-wide?

Is there a way to log execution time of any php scripts running on a webserver? The server is setup similar to a shared hosting setup, except that our customers don't control their hosting or ...
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2answers
11k views

2008 R2 Clients not Updating their time from the Domain Controller

I have set the time on the primary domain controller emulator but my clients don't seem to be adjusting there time. The other domain controller did sync its time to the main controller The domain ...
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1answer
95 views

How long it takes to start Bind?

I'm testing DNSSEC and I need to obtain the time in miliseconds it takes to start Bind now that I have signed zones. I don't know if this would be the right way to do it: time svcadm enable ...
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2answers
413 views

NTPD on RedHat ES4 not synching to Win2K3 domain controler

I'm having an incredibly difficult time trying to get my red hat server to sync its time to our 2K3 domain controller. I've been through numerous ntp.conf revisions and it always ends up that the ...
0
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1answer
107 views

Setting up your linux box for GMT

I would like to get my server time as close to GMT (Greenwich Mean Time) as possible. What is best way to do this? It's Ubuntu 10
2
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4answers
2k views

Get maximum memory usage of linux executable

I need a shell script which will retrieve the maximum memory consumption of a linux executable. The executable may spawn child processes using significant amounts of RAM which should be included in ...
2
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1answer
701 views

Windows 2003 Server Losing Time

I'm running an e-commerce site on a Windows 2003 Server 32-bit (written in .NET, connecting to another W2k3 64-bit Server running SQL server.) It's imperative that the two servers always stay ...
2
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1answer
402 views

ntp returning future time

ive noticed the time on a linux server im maintaining is set to 8 hours in the future. i thought this was weird so i checked ntpd was on, and it is. i thought this was even weirder so i checked the ...
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3answers
103 views

Server Time Jumped Ahead 7 Months

CentOS 5.x My CentOS server appears to have jumped ahead 7 months. I'm not sure how or why. Are there any logs in CentOS that could provide more insight here? Unfortunately, ntpd was not running. ...
2
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2answers
327 views

At Windows start up the Time Service takes about 30 minutes to converge

I'm looking for information on how the Windows TIme Service over a domain affects the hardware clock. The machines are clients on a Windows AD domain with the basic time services. It's not our network ...
0
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1answer
317 views

Why SQL Server DateTime, Show AM, but not show PM?

See below image, The UpdateDate column show datetime containing 'AM' text But the CreateDate show datetime, text 'PM' is not shown. these 2 columns are auto-generated, and data type is DateTime. ...
0
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1answer
237 views

How was my ubuntu server's time set without ntp?

I was just installing ntp on an ubuntu server that had the wrong time by a minute, and I got to wondering, how did it get any time at all to begin with? Is there some other process that sets the time ...
1
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3answers
307 views

What is the most simple way to automatically update the time on a server?

On ubuntu server my usual solution is just to install the ntp package and call it a day. This installs all the binaries I need and has ntpd start at boot time. Right now I'm working on a server ...
3
votes
1answer
3k views

Amazon EC2 instances changes server time/date on reboots and other time weirdness

I have a windows instance up in EC2. I manually set the timezone to Pacific. 1) For some reason using window's built in time sync doesn't work in the instance...but whatever. I turn off automatic ...
2
votes
3answers
214 views

Changing linux date with current time

I am running sudo date +%m/%d/%Y -s 7/14/2010 command to change date. It changes fine except I want it to pick up the current time as well, and not start the time from 00:00:00 on 7/14/2010.
3
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3answers
1k views

MySQL CURTIME() is always 00:00:00

I have a MySQL server installed on Solaris 10u8. Until recently, everything was working fine. Then all of a sudden, the current time according to MySQL is always 00:00:00. CURDATE() seems to work fine ...
5
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4answers
5k views

openwrt: Use rdate with NTP servers?

I've noticed that some embedded devices (such as OpenWRT, which runs on Busybox) use rdate to set the system time, instead of NTP. Rdate is an older time protocol, and I'm having trouble finding any ...
0
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1answer
64 views

Incorrect file creation/modication time in linux

In our server we get files uploaded daily by customers via FTP. However sometime the the time stamp of these appear incorrect even though the server time is correct. I got a file with time stamp Jun ...
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4answers
119 views

Convert 1 second delay in 200,000KM to delay in 825 miles?

I would like to know the delay in 825 miles of fiber if there is 1 second of delay in 200,000KM of fiber without counting for re-gen sites?
104
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9answers
141k 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)?