Overview
Queries metadata address on AWS EC2 instances to help see what machine you hit behind an Elastic Load Balancer (ELB)
Demo Screenshot
Install required applications
apt-get install -y apache2 php5 awscli git
GIT code onto Ubuntu instance
cd /var/www/html && git clone http://github.com/alphamusk/aws-metadata-php-page
Cron job to git source every 30 mins
##### m h dom mon dow command
job="*/30 * * * * cd /var/www/html && git pull http://github.com/alphamusk/aws-metadata-php-page.git > /dev/null 2>&1"
(crontab -u ${USER} -l; echo "${job}" ) | crontab -u ${USER} -
crontab -l