Tagged Questions

Time is an element of the overall measurement system of for space. Time can refer to the time it is now, according to timing devices, the interval between two events, the duration of an event, or the sequence of events.

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183
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2answers
4k views

How do I reset the time on my computer without turning it on?

Alright, so today, I did something very stupid: Do an experiment on my computer without backing it up. So I saw that the calendar in Windows could only go up to 12/31/2999 (or something like that). ...
2
votes
3answers
258 views

Why to synchronize a time on a computer?

Why do I need to synchronize a time on my computer? My wrist-watch gives no more than half a second error per year without using any NTP server. Why do I need to synchronize a computer with other ...
1
vote
1answer
274 views

Identify date/time format

I've been given some data to create some chart graphics and the dates are in a format I don't recognise. If I knew the format name I could easily look them up but initial search has drawn a blank. ...
1
vote
1answer
100 views

crontabs hour specification */1 is that the same as *

I am looking for clarification with the cron tab that I am working with. some job 1 * * * * some job 1 */1 * * * Are those jobs the same? The job will run the first minute every ...
1
vote
0answers
361 views

Can't connect to Apple Time Capsule in home network using Home Plugs from Win 7 Machine

I have the following home network setup with subnet 255.255.255.0 but recently moved my time capsule to a different location when I added a third Home Plug and can no longer ping or map a network ...
1
vote
2answers
764 views

Prefix time to each line of bash command output

I am running the top command to see details about specific processes. The output is piped to grep like so: top -n 1 | grep jre The output is usually around 4 lines, and I would like to prefix the ...
1
vote
1answer
166 views

Why does CPU processing time matter when compared to real wall clock time?

I am running the command time 7zr a -mx=9 sample.7z sample.log to gauge how long it takes to compress a file larger than 1GB. The results I get are as follows. real 10m40.156s user 17m38.862s ...
2
votes
1answer
2k views

Convert time range into minutes formula

I need a formula that will convert time into minutes and round up 30 sec to 1 minute. Example: change 7:58:31 (hr:min:sec) to 479 minutes or 08:31:29 to 511 minutes. The first example adds 1 minute ...
0
votes
1answer
499 views

Time not set properly when dual booting CentOS and Ubuntu

I have setup my Notebook to dual boot for CentOS 6.3 (64-bit) and Ubuntu 12.04 (32-bit) and both have been configured for ntp (network time protocol) with proper time zones (India). But they are ...
2
votes
2answers
269 views

Measure execution time of command I just executed without interrupting it now

Usually I measure execution times with time updater Unfortunately I already started the updater and do not want to interrupt it because this would cause other trouble. How can I still see tomorrow ...
2
votes
0answers
280 views

Slow down clock/timer of a Linux program

Sometimes a Linux program requiring fast user interaction/manual dexterity runs too fast for me to keep up. Examples include video games and video players that don't let you control the speed. How ...
3
votes
1answer
379 views

Using time to get CPU usage of a process, but not its children

When using time some_executable - the system and user CPU time returned actually includes all the CPU time of any child processes launched by the named executable (this was news to me, actually). I ...
1
vote
1answer
123 views

Can Internet time synchronization on a virtual machine correct the time on its management OS?

If there is a virtual machine running on Hyper-V and it is set to synchronize clock with an Internet time service, will this also correct the hardware clock on the management OS which is hosting this ...
2
votes
2answers
878 views

Timezone in Windows and Linux

On the same machine I am using Win 7 and Debian Linux (KDE). I have issues with the timezone settings. Both systems are set to London time, but the clock in Windows (before it gets adjusted over the ...
1
vote
1answer
892 views

Error occurred during NTP sync on Windows Server 2008 R2

I have two Windows Server 2008 R2 Standard servers. The first can correctly sync its time with the default NTP server time.windows.com, but the second cannot. The error displayed is: An error ...
0
votes
2answers
2k views

CentOS 6 timezone is BST, but it's an hour behind BST?

Running a (fairly) fresh install of CentOS 6. [jammy@peach]$ date Fri Jul 13 15:41:30 BST 2012 The actual BST time is exactly one hour ahead of this, 16:41. Unless I'm missing something about ...
2
votes
1answer
204 views

Alternative to Qlock [closed]

I work in a NOC that needs to display times from different cities across two 50 inch screens connected to a single windows 7 enterprise box. Currently, we are using http://www.qlock.com/ but I would ...
0
votes
1answer
870 views

X axis on Time-Based data

I have a series of 24 hr. data, taken about once per hour. I wish to plot the values against time. On day 1 the 10:00 data was taken at 10:10, on day 2 the data was taken at 9:58. I do not want both ...
1
vote
0answers
954 views

Gnome 3 - Unable to change date and time

I am running Arch Linux with Gnome 3. Unfortunately, although my time and date settings in /etc/rc.conf show that HARDWARECLOCK='UTC' and TIMEZONE='America/LosAngeles'. I continue to get the timezone ...
0
votes
1answer
121 views

How do you change the update rate for time server synchronization on Windows XP

We have a file server running Windows XP, but the system clock speed is not particularly accurate, with the result that file datestamps drift with time, and this causes annoyances with software ...
3
votes
1answer
495 views

How can I end an appointment series in Outlook which was started with No end date?

I moved. I am using Outlook and track my time by using a series which has the location fix. I want to change the location starting from today. This is what I tried: Open the series. Recurrence. ...
1
vote
0answers
297 views

Why are POSIX timezones relative to UTC opposite from most others (and what's intutively correct)? [closed]

In POSIX, UTC-2 means 2 hours after UTC, and UTC+2 means 2 hours before UTC. In other words, If it's currently 8am in UTC, it's 10am in time zone UTC-2, and 6am in time zone UTC+2. This thread ...
6
votes
3answers
2k views

Does it matter which NTP time server do I choose in Windows?

When enabling Windows to set system time via Internet, I'm presented with the following dialog: Does it matter which time server I choose? How would I know if one was "better" than the others?
13
votes
3answers
198k views

How can I check a system's current NTP configuration?

I need to verify the current NTP configuration on some Windows systems. Ideally, I'd like to be able to do this via command line instead of navigating through configuration screens (especially since ...
0
votes
0answers
626 views

Linux stuck one hour ahead (CentOS)

I use CentOS, and for some reason, one of the servers I bought (amongst a network of other servers I do not own) is off by one hour. The time is one hour ahead no matter what time zone I set it to. ...
0
votes
2answers
202 views

Change Linux System Time Relatively

I need a script which will modify the system time by x amount of minutes. Something like: #time = 12:56 #x = 2 if time_bool: time = time + x #time = 12:58 else: time = time - x #time = ...
2
votes
2answers
4k views

Wrong time update when rebooting Archlinux - Windows 7

I've been using archlinux for a while but as the only SO in a hard drive. Today I decided to make a dual boot between windows 7 and archlinux, everything works fine but I have the following problem: ...
2
votes
2answers
249 views

Why do people care so much about boot time of an operating system? [closed]

I run both Windows and Linux, and I rarely restart my computer, once a week or a month. I just close the lid to put it to sleep or just press sleep. But whenever I see an operating system being ...
0
votes
1answer
1k views

sh: time command not found

In llvm 3.0 test-suite, the snippet of code bellow gives the following error on bash: sh: time command not found if [ "x$RHOST" = x ] ; then ( sh -c "$ULIMITCMD $TIMEIT -p sh -c '$COMMAND ...
1
vote
1answer
800 views

How to make mplayer or VLC start playing video at strict time?

I want mplayer and VLC start playing at exact time. Player should: Load video file, buffer it, prepare everything; Wait for UNIX time to be N seconds M milliseconds Start playing according to ...
3
votes
1answer
5k views

Using find -mmin to find files with modification time in the future

I can use find . -mmin -5 to find files changed in last 5 minutes. However if I try to find files with modification time in the future by giving negative number find refuses to do it: find . -mmin ...
1
vote
1answer
381 views

UTF/unix time conversion in access

I am fairly good with access/excel/etc. However I am running into a brick wall with a database I query regularly for information. It has date/time fields that are tracked in unix time format (number ...
4
votes
2answers
7k views

Determine the time difference between two linux servers

I am troubleshooting a latency network issue on a network. It is probably a nic or cabling issue, but while I was going through the process of figuring it out, I was looking at the timings of a ping ...
1
vote
1answer
1k views

Ubuntu: what does time command output means?

From running time over my program I've got: real 4m41.679s user 20m58.623s sys 0m49.471s What does this output means? What is real and what is user?
1
vote
1answer
79 views

How to decipher time in console

I'm reading my console logs and trying to figure out how to interpret the time stamp that console displays: Time 1332251808 TimeNanoSec 72951500 I also have another time stamp that reads: Time ...
1
vote
1answer
53 views

unexpected return value of time command

These commands work fine: (calculates time between opening and closing the program) time gedit time emacs time vim But this command always gives a time under 1 second. It's probably time which ...
3
votes
2answers
2k views

How do I decode the “Faulting application start time” in a Windows event log entry?

An app I was running crashed and I wanted to know when it happened, so I opened up the Windows event viewer and looked for an entry. I found the entry, and then noticed one of the details of the ...
0
votes
1answer
364 views

Dynamic time in Excel spreadsheet column

I am trying to automate time in Excel. I have two columns that show time advancing in minutes and seconds. I want to be able to automate so that if the time changes in one row, it will automatically ...
4
votes
1answer
456 views

How do I use options with time?

Whenever I try to use options with the time command, such as format (-f, --FORMAT), I get the following error: bash: -f: command not found How do I use options with time?
1
vote
1answer
1k views

How inaccurate must the clock's time be for NTLM requests to be denied due to the time being incorrect?

We have a network where the time on some of the client workstations is inaccurate. There is a problem with NTP on the clients or domain controllers causing the time to not synchronize. We are ...
2
votes
1answer
2k views

Can you display milliseconds in the time/date on the Windows 7 taskbar?

I need to time some things, thought it would be nice to do this... Or maybe a better question: Can the date/time format in the Windows task bar be changed?
1
vote
0answers
38 views

How do I move only coming occurences of a series in Outlook?

I have created a series that occurs every week. Now I want to change the time of this series. When doing this Outlook changes the time also for past events. I do not want this. What can I do? I came ...
0
votes
1answer
314 views

Is there a program to accelerate/slowdown time in other process?

Is there a program/library that allows to override time flow in other processes? Expecting it to override clock_gettime, gettimeofday, alarm and other functions that report time or use timeout using ...
0
votes
2answers
328 views

Converting a travel time to an Excel time

I have calculated the time it takes to travel from point A to point B. The results are in number of seconds. I have converted the number of seconds to Hours, Minutes, and Seconds in three cells. I ...
0
votes
1answer
662 views

Archlinux boot time

I have Archlinux installed in my netbook. I want to reduce the boot time to less than 10 seconds. Is this possible? Do you have any success in reducing the boot time to a larger extent? I am aware of ...
2
votes
3answers
7k views

Change the date time format in Skype chat

Where do I change the setting in Skype on Windows 7 for how time is formatted? While the time is shown as 11:14 PM on Skype I would rather it display as 23:14.
2
votes
1answer
5k views

How to Get Standalone Windows 7 Cannot Sync Time (NTP)

I am trying to get my Windows 7 Professional Machine to sync time correctly. This laptop is not a member of any domain. If I try to go to the clock settings, Internet Time tab, and click on "Update ...
9
votes
1answer
8k views

How to synchronize clocks for computers that are not online?

I have some computers that run Windows 7 embedded and are connected to each other by a switch, but are not connected to a larger network or the internet. After a few weeks, the clocks drift and it is ...
2
votes
1answer
120 views

How does network time protocol (ntpd) get the right time to my machine?

network time protocol (ntpd) sets the time on my system automatically from time servers on the net (or something like that. ;) What I've always wondered was, how does that work? Everything that ...
1
vote
0answers
282 views

How to skew a Mac's clock 10 minutes while still keeping it “synchronized”?

My wife is always running late. How can I skew her Mac's clock 10 minutes while still keeping it "synchronized"? I looked at the fudge setting of /etc/ntp.conf but it's only for a Reference Clock and ...