[ntp:questions] ntp & system without a rtc

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Fri May 10 20:00:46 UTC 2013

folkert wrote:
> I have a raspberry pi system.
> This is a computer without a real time clock.

The uC likely has a RTC, its just not battery backed up?

> So everytime I power it on, it uses starts where it left
>  off which might be days earlier.
> It is connected only very occasionally to the internet
>  so syncing to that won't work.
> It does have, however, a gps connected.
>   But as it is switched mostly for less than an hour,
>    ntpd won't have the time to adjust the time to what
>    the gps returns to it.
> So I was wondering: is there a utility/a trick out there
>  that picks the current time from a gps and then "jumps"
>  the time to what it should be?
> It does not need to be very accurate - a couple of seconds
>  off is ok (just not hours or days).
> Any ideas?

nptd -g -q  ?

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