I am trying to allow my system (OSMC on RPi3) to run for only 90 minutes in day and then shutdown (to restrict my kids). I used shutdown -P 90 on rc.local. But if system is shutdown before 90 minutes the command is reexecuted on next restart, even if next day. If restarted again second time then it's okay. Is there a better way to accomplish this? Regards
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If restarted again second time then it's okay
. What exactly do you do and what happen? Maybe I'm wrong but the behaviour you describe it's the logical one, every time the RPi starts the commandshutdown -P 90
is executed so the RPi will shutdown every 90 minutes after switched on, always. – migrc Mar 27 '18 at 06:30