Debian / Ubuntu Check update script

check_update.sh

#!/bin/bash
apt-get update -qq
UPDATES=`apt-get dist-upgrade --simulate | grep Inst | awk '{print $2}'`
COUNT=`printf "%s\n" "$UPDATES" | grep -v "^$" | wc -l`

echo '--------------------------------------------------------------------------------'
echo " Weekly Update Notification for `hostname`"
echo " -> $COUNT update(s) available"
echo '--------------------------------------------------------------------------------'
printf "%s\n" "$UPDATES"