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Date:      Sun, 06 Jul 2014 19:23:15 -0700
From:      Jesse Gooch <lists@gooch.io>
To:        freebsd-questions@freebsd.org
Subject:   Re: Updating and displaying CMOS clock
Message-ID:  <53BA0493.1030205@gooch.io>
In-Reply-To: <20140707021022.GB58025@admin.sibptus.tomsk.ru>
References:  <20140706153206.GA46262@admin.sibptus.tomsk.ru> <53B9BC4B.4030609@gooch.io> <20140707021022.GB58025@admin.sibptus.tomsk.ru>

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Hi Victor,

On 06/07/14 07:10 PM, Victor Sudakov wrote:
> Jesse Gooch wrote:
>>>
>>> What's the command to update the CMOS clock to the time of the kernel
>>> clock? 
> 
> [dd]
> 
>>>
>>
>> To get around this I've started using ntpdate on boot. You can put the
>> following in your /etc/rc.conf:
>>
>> ntpdate_enable="YES"
> 
> ntpd_sync_on_start="YES" does the same, but it is not an answer to the
> question, it is a workaround. 
> 

Sure, it's a workaround. Why is it so important to set the CMOS clock if
you can just query the current time from a more accurate source on boot?
The drift on clocks integrated into computers these days is pretty
terrible AFAIK, which is why NTP is so widespread.


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