AWS Cloud Formation Basics - AWS CloudFormation Stack Update

The video tutorial demonstrates how to update an AWS CloudFormation stack by modifying security group rules. It begins with an overview of the EC2 instance and web server setup, followed by a step-by-step guide on updating the stack using CloudFormation. The tutorial covers editing security group rules, validating the template, creating a new stack version, and verifying the changes. The process is shown to be straightforward, with all configuration values automatically picked up from the previous setup.

What are the options available when updating a CloudFormation stack?

• Only replace the template

• Delete the stack and create a new one

• Edit the template without any options

• Use the same template, replace it, or edit it manually

Which port is added to the security group in the example?

• Port 22

• Port 80

• Port 4434

• Port 8080

What is the purpose of validating the CloudFormation template?

• To automatically deploy the stack

• To delete unnecessary resources

• To ensure the template is free of errors before deployment

• To create a backup of the template

What happens after the template is validated and a new stack version is created?

• The stack is paused for manual review

• The stack is rolled back to the previous version

• The stack is automatically deleted

• The stack is updated with the new configuration

How can you verify that the security group update has been applied?

• By restarting the EC2 instance

• By refreshing the web server security group

• By checking the EC2 instance logs

• By deleting the security group