Re: Time changing

From: Patrick Lamb (pdlamb.NOT@home.com)
Date: 12/31/01


From: Patrick Lamb <pdlamb.NOT@home.com>
Date: Mon, 31 Dec 2001 14:42:37 GMT

Dimitri Maziuk <dima@127.0.0.1> writes:

> On Tue, 25 Dec 2001 16:31:15 GMT, cjackson wrote:
> > Every time I reboot either Linux (RH7) computer, time jumps
> ahead by 6 1/2 +/- hours in that computer. Does this sound like
> my computer(s) has been hacked? If not, any ideas?
>
> The system reads hardware clock at boot time, and keeps its own
> timer from then on. If your hardware clock is in UTC, but the
> system thinks it's in local time (or vise versa), your clock
> will be off by the difference between UTC and local time after
> each reboot (should be 8 +/- DST hours, according to your headers).
> This is the most likely cause of the problem (the other one is
> that your hardware clock is simply off by 6.5 hours).

I'd guess the hardware clock is simply off. Once you've got it set
right, /sbin/clock -w

(More of a linux.misc question than linux.security.)

Pat



Relevant Pages

  • Re: Internet time on computer
    ... boot OSX and Windows - OSX expects the internal BIOS clock to be GMT, Windows wants it to be local time, so the 2 operating systems fight w. ... Operating systems store and retrieve the time in the hardware clock located on your motherboard so that it can keep track of the time even when the system does not have power. ... Most operating systems store the time on the hardware clock as UTC by default, though some systems store the time on the hardware clock as the 'local' time. ...
    (alt.horology)
  • Re: Double summer time?
    ... Is it set to your local time or to UTC? ... that this is a silly question to ask during installation. ... The user decides what time to set the hardware clock to. ...
    (Fedora)
  • Re: Date/Time setting
    ... Both Windows and Linux use UTC for timestamps. ... difference is, in Windows you set the hardware clock to your local time, ...
    (Fedora)
  • Re: Date/Time setting
    ... Both Windows and Linux use UTC for timestamps. ... > difference is, in Windows you set the hardware clock to your local time, ...
    (Fedora)
  • Re: [opensuse] opensuse 11.0 x64 time messed up with dual boot
    ... Basically my opensuse 11.0 is set to sync date/time with UTC and that works ... this is a dual boot machine (sorry VM windows is not fast ... Windows consider that hardware clock is set ...
    (SuSE)

Quantcast