Jonathan Callen <[email protected]> wrote:
> On 05/26/2014 03:44 PM, [email protected] wrote:
> > Hi. I have noticed that when I bootup using systemd, till I run
> > ntpdate, the times are 4 hours earlier than they should be. Do I
> > need an hwclock unit somewhere, or some other command to fix? I
> > don't think the clock is actually wrong, its got to have something
> > to do with the timezone.
> >
> > Thanks in advance for any suggestions.
> >
>
> First, make sure that the system time zone is correct by making sure
> that /etc/localtime is a symlink to your current timezone (in
> /usr/share/zoneinfo).
>
> If the only operating system you boot on the machine is Linux (or,
> generally, if you *don't* use Windows):
>
> 1) Set your BIOS clock to the current time *in UTC*.
> 2) Ensure that the last line of /etc/adjtime reads "UTC" (instead of
> "LOCAL")
>
> If you *do* dual-boot to Windows (and don't want to use the
> unsupported methods to make Windows aware that the BIOS time is UTC):
>
> 1) Set your BIOS clock to the current *local* time
> 2) Ensure that the last line of /etc/adjtime reads "LOCAL" (instead of
> "UTC").
>
> If you dual-boot Windows 7 or earlier and want to use that unsupported
> method mentioned above:
>
> 1) Set your BIOS clock to the current time *in UTC*.
> 2) Ensure that the last line of /etc/adjtime reads "UTC" (instead of
> "LOCAL")
> 3) In Windows, in the registry key
> "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation"
> set the value "RealTimeIsUniversal" (a DWORD if you have to create it)
> to "1".
>
> If you use Windows 8, in addition to the above, you have to disable
> Windows from ever writing the time to the BIOS clock, otherwise on
> shutdown it will reset the BIOS time to local time.
OK, thanks, I have no /etc/adjtime at all, and I have two files,
/etc/localtime (not a link) and /etc/timezone. Should I delete the
later and change the former to a link?
--
Your life is like a penny. You're going to lose it. The question is:
How do
you spend it?
John Covici
[email protected]
