Questions relating to time and timezones.

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13
votes
3answers
6k views

Why does time change in Ubuntu after installing Windows

Today I was installing Windows 7 on the same computer I have Ubuntu. For some reason, after installing Windows 7 and going back to Ubuntu the time went from the correct hour at that moment, 12:30PM to ...
0
votes
0answers
249 views

Boot takes long time: “switching to clocksource tsc ”

I am working on Pxeboot server. I installed Pxeboot server in one virtual machine and I start my Pxeboot client it takes time to boot while it got this message "switching to clocksource tsc" How to ...
5
votes
1answer
2k views

How to change “inode change time” of a file?

I tried to use touch -d "2011-09-15 16:50" test.txt but it just modifies the last access time and the last modified time. Access: 2011-09-15 16:50:00.000000000 +0700 Modify: 2011-09-15 ...
0
votes
3answers
679 views

How can I change the en_AU locale to 12 hour format?

I've noticed that the en_AU locale is defaulting to 24 hour time, it should be 12 hour as this is most commonly used in Australia. How can this be adjusted?
15
votes
2answers
21k views

Where does ntpdate get its settings from and what is the “no servers can be used” error about?

When I run ntpdate on its own, I get the following output: 8 Jun 15:47:46 ntpdate[31251]: no servers can be used, exiting If I run it with the -q ntp.ubuntu.com switch, it seems to query just ...
6
votes
3answers
3k views

How can I force Ubuntu to use the BIOS internal clock instead of NTP or whatever its being used?

My clock starts running out of sync in Ubuntu which doesn't happen in Windows. The problem is that it just starts losing time after a moment of syncing it with an NTP server, that means the clock is ...
6
votes
1answer
581 views

Intense hard drive access activity immediately after log in

I upgraded my ubuntu karmic to lucid a few months ago. I don't know when it all started but the thing is that when I log in, I see a very intense disk access activity for a while that prevents any ...
4
votes
1answer
2k views

How to change system time or force a sync with hardware clock

My laptop is probably running out of CMOS battery, I know I have to fix it soon, but until then, this very annoying issue keeps me from using it. Scenario: My system clock is reset to 15/12/08 11:00 ...
3
votes
1answer
7k views

ntpd vs ntpdate: pros and cons

In order to keep the time accurate on a Ubuntu system one can either: Run the ntpd (network time protocol daemon) which will run all the time and continuously adjust the system time when clocks ...
2
votes
1answer
52 views

clock dissapeared from menu

As you can see from the screenshot, I am missing date and time from top menu. Is it stupid april fools joke or...? I am clueless how to put it back. Any help would be appreciated. EDIT Tried the ...
1
vote
2answers
276 views

System time off by a small amount

On Karmic (9.10), my system time is currently off by 17 minutes, e.g. when I type date on the terminal I get Thu Jan 6 16:22:29 CST 2011 while the correct time is 16:05pm. I went through the standard ...