/lib/udev/lmt-udev is in laptop-mode-tools 1.64-1ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | #!/bin/sh -e
# /usr is not guaranteed to be mounted when udev starts
(
if [ -e /lib/udev/hotplug.functions ]; then
. /lib/udev/hotplug.functions
wait_for_file /usr/sbin/laptop_mode
exec /usr/sbin/laptop_mode "$@"
else
file=$1
timeout=$2
[ "$timeout" ] || timeout=120
count=$timeout
while [ $count != 0 ]; do
[ -e "/usr/sbin/laptop_mode" ] && exec /usr/sbin/laptop_mode "$@" && return 0
sleep 1
count=$(($count - 1))
done
mesg "$file did not appear before the timeout!"
exit 1
fi
) &
|