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  • Does systemd-inhibit show an explanation what was inhibited, like in my script? My file is in a pen drive. I can also check if the pen drive is plugged in (not just mounted)? Commented Oct 29, 2024 at 12:40
  • where would you show that, even? That makes no sense; your script could only show that message on the console it's being run from, and people don't leave a console open to watch for such messages. But yes, some desktop environments will inform you that, and some even which, a program has inhibited shutdown. Commented Oct 29, 2024 at 13:39
  • I like to see the booting messages, so I have disabled the graphic boot. So, I always do Ctrl-Alt-Del in the virtual console, after logging out from KDE. Commented Oct 29, 2024 at 14:29
  • well, OK, that still wouldn't make much sense; your script would have to have access to the current console. Anyways, yeah, again, your script approach doesn't work, you'll have to do something different – which is why I wrote this answer. If you want, you can always write to whatever thing you want to write to make a message shown in your inhibitor as described above. That's up to you. Commented Oct 29, 2024 at 14:30
  • echo "..." > /dev/console works perfectly for me. Commented Oct 29, 2024 at 14:32