On 13/06/18 21:42, Simple Simon wrote:
> 2) I assume that the RTC will not be updated with the network time
> automatically. If this is correct I will need to correct the drift. Is
> there a way to check for drift or should I just used crontab to do a
> regular sudo hwclock -w if so how often? Hourly, daily, weekly or monthly!

Doesn't  the pi run ntp?

Oh. Later versions are running some devils spawn of systemd

https://wiki.archlinux.org/index.php/Systemd-timesyncd



Looks like that is the 'supported' way to go

https://www.raspberrypi.org/forums/viewtopic.php?t=178763


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