Machine rebooting, rather than powering off after poweroff command

Mostly just a post so I don’t lose this information again in the future…  I have a headless machine that I use as a file server amongst other things and I have found that after a system update it now reboots after a two second delay when issued with the “poweroff” command.  This post is the answer:

http://askubuntu.com/a/294086

The article is a bit out-of-date and not directly relevant to my circumstances, but the script provided works perfectly:

#!/bin/bash

case “$1” in
stop) for i in /sys/bus/*/devices/*/power/control ; do echo on > $i ; done
;;
esac

exit 0

Put this in “/etc/rc0.d/K32power-control-on” and give it execute permissions and it works like a charm.  Many thanks to the user “Inspired”.

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