On Tue, 2023-11-14 at 13:52 +0000, Patrick O'Callaghan wrote:
> My system (both F38 and now F39) reboots itself every morning at 8am,
> yet nothing in the cron configuration is telling it to do that and I
> don't see anything obvious in the journal to cause it.
>
> How can I figure out what is triggering this? I know the description
> is
> vague, but there it is.
Just to close this off:
- The problem was being caused by a flaky smart plug
- Restoring factory settings to the plug fixed it
- I decided to follow some recommendations in the thread and use the
built-in motherboard RTC instead of the smart plug as a way to re-
activate the system at a set time. This is now working (touch wood).
My hibernation script now includes this snippet, if anyone's
interested:
set_wakeup() { # See https://www.linux.com/training-tutorials/wake-linux-rtc-alarm-clock/
if [[ $(date +"%H") -lt 8 ]]; then
datestring=$(date '+%s' -d '08:00 today')
else
datestring=$(date '+%s' -d '08:00 tomorrow')
fi
echo "$datestring" > /sys/class/rtc/rtc0/wakealarm
}
Thanks again to all who chipped in.
poc
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