Shut down idle AWS plex instance

idle.sh

#!/bin/bash
#set -x
#DEBUG=echo
# Runs via cron to shut down the instance if it's not in use for 5 minutes
# Starts checks after it's been up more than 500secs
# Won't kick you out if you're ssh'ed in and it's idle.
# crontab -l|grep idle
# */6 * * * * /root/bin/idle.sh  >/dev/null 2>&1

until $(awk '$1>500{exit 1}' /proc/uptime)
do

	if [ $(sar -n DEV 300 1|awk '/eth0/{ if ($11<0.05){ exit 1;} exit 0; }') ] || [ $(ss -o state established '( sport = :ssh )'|wc -l) = 1 ];
	then
		echo "$(date) Shutting down" >>/root/bin/idle.log;
		${DEBUG} /sbin/poweroff;
	fi 
done