AWS Classroom Series – 23/Oct/2021

AWS Systems Manager

• AWS Systems Manager is an AWS Service that can be used to view and control infrastructure.
• Lab:
  • Create the following ec2 instances
    • Ubuntu 20.04
    • Redhat 8
    • Windows 2019 Datacenter
  • Add a common tag to all the ec2 instances
    • env => QA
• Navigate to Systems Manager
• Creating IAM Instance Profile For Systems Manager
  • Navigate to IAM Refer Here
  • Now attach this IAM policy to all the three ec2 instances
• Now try to use run command
• Run the following shell script

#!/bin/bash
sudo apt update
sudo apt install apache2 stress -y
sudo apt install php libapache2-mod-php php-mysql -y
echo "<?php phpinfo(); ?>" | sudo tee /var/www/html/info.php
sudo service apache2 restart

• AWS Systems Manager working process
  • Ec2 instance needs to have ssm agent installed to work with systems manager Refer Here
• Lets try to manually install SSM agent on RedHat Linux Refer Here
• Run command with RHEL

#!/bin/bash
sudo dnf install httpd -y
sudo systemctl enable httpd
sudo systemctl start httpd

• Now lets use the Run Command on Windows EC2
  • Windows 2019 already has ssm preinstalled if you are using ami with ssm not installed Refer Here
  • The Powershell command is Install-WindowsFeature -name Web-Server -IncludeManagementTools