Use AWS Session Manager to Securely connect to an EC2 instance
In this article, you’ll learn how you can quickly and securely connect to your Amazon EC2 instance using AWS Session Manager in the AWS Console and AWS CLI.
How to attach or change a security group on an EC2 instance
This article shows the steps that allow you to add a security group to a running EC2 instance in the AWS Console and AWS CLI
How to list all active AWS resources in a VPC
This blog post shows how to find and list all AWS resources that belong to a certain Amazon VPC in an AWS account