Ec2 Actions

Exercise-1 Create a Cloud Watch Alarm to Stop Ec2 Machine when CPU Utilization < 5

• Create an Ec2 Instance
• Create an alarm for CPU Utilization < 5 for 5 minutes
• Add an EC2 action to stop(shutdown) the Ec2 instance
• Wait till the alarm is raised and observe ec2. Ec2 instance should be stopped

Exercise-2 Create a Cloud Watch Alarm which reboots the EC2 instance when CPU Utilization = 100 for 5 minutes

• Create an Ubuntu Ec2 Instance.
• SSH into Ubuntu Instance and execute the following commands

sudo apt-get update 
sudo apt-get install stress -y
stress --cpu 8 --timeout 100m -v

• Create an alarm with above spec to reboot ec2 instance

Exercise-3: Create a Cloud Watch Alarm which terminates the EC2 instance when CPU Utilizations is < 20 for 120 minutes

Simple Notification Service

• Email Notifications using SNS
• Create SNS Topic
• Each Topic has subscriptions. Create an Email Subscription.
• Confirm the Subscription.
• For all the above exercise send the notification to topic.

Note

• Refer Here to track your free tier usage.