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README.md

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Overview

Queries metadata address on AWS EC2 instances to help see what machine you hit behind an Elastic Load Balancer (ELB)

Demo Screenshot

Demo screenshot of page

Install required applications

apt-get install -y apache2 php5 awscli git

AWS Launch Configuration

#!/bin/sh

yum -y install httpd php git
chkconfig httpd on
/etc/init.d/httpd start
cd /var/www/html
git clone http://github.com/StefanBuchman/aws-metadata-php-page .

AWS Launch Configuration Base64

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GIT code onto Linux instance

cd /var/www/html && git clone http://github.com/StefanBuchman/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/StefanBuchman/aws-metadata-php-page.git > /dev/null 2>&1"
(crontab -u ${USER} -l; echo "${job}" ) | crontab -u ${USER} -
crontab -l

Cron job from script

(sudo crontab -l 2>/dev/null; echo "*/5 * * * *  cd /var/www/html && git pull http://github.com/StefanBuchman/aws-metadata-php-page.git > /dev/null 2>&1") | sudo crontab -