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Setting the time to use UTC on dual boot OSs?

slajoh01
slajoh01 asked
on
Medium Priority
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Last Modified: 2010-04-22
Greetings.

How could I prevent time setting problems for dual boot OSs? I am dual booting Windows 2000/Solaris 10...

In order for the time settings (esp. during a DST time change) to be correctly configured for BOTH operating systems, I need to set all of then to UTC time. Because UTC is constant and does not move...So to prevent time settings from conflicting from one OS to another....What steps should I take for both Solaris and Windows to tell time in UTC?

thanks
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Top Expert 2005
Commented:
Well, I know this problem only from linux side.
Unfortunatelly it's impossible for windows to set the bios time to UTC (or I'm too weak in Win).
Therefore only what I could do for linux, was to tell it, that bios keeps local time...

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as ravenpl said, M$ does not know what UTC is and always sets the BIOS clock to the local time
Unix/Linux (Solaris) is clever, it even can deal with stupid other systems;-)
simply assume that the BIOS clock is UTC, then set your TZ=GMT in /etc/TIMEZONE, this way you at least have a proper clock, even it tells you being GMT+0 instead of your local timezone.
Sorry, I'm also not certain if M$ learned meanwhile how to use UTC.
Top Expert 2015
Commented:
Missed the main party - sometimes you do not need UTC or hardware clock - look at www.vmware.com, or look for qemu as free and slower alternative.
Top Expert 2015

Commented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.
I will leave the following recommendation for this question in the Cleanup topic area:

Split between ravenpl http:#16373987 , ahoffmann http:#16376069 and gheist http:#16395363

Any objections should be posted here in the next 4 days. After that time, the question will be closed.

gheist
EE Cleanup Volunteer
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