Setting up an EC2 Instance and attaching an IAM Role in AWS

Introduction to AWS EC2 Instance and IAM Role

Understanding AWS EC2 Instance

· An EC2 Instance is a virtual server in the cloud offered by Amazon Web Services (AWS).

· Different types of EC2 Instances include General Purpose, Compute Optimized, Memory Optimized, and Storage Optimized, among others.

· Setting up an EC2 Instance is essential for cloud computing needs as it provides scalable computing power in the cloud.

Overview of IAM Roles in AWS

· An IAM Role is a set of permissions that define what actions can be taken on AWS resources.

· Benefits of assigning IAM Roles to EC2 Instances include enhanced security, least privilege access, and automated permission management.

· Examples of permissions granted through IAM Roles include accessing S3 buckets, managing EC2 instances, and interacting with DynamoDB tables.

Steps to Create an EC2 Instance in AWS

Launching an EC2 Instance

· Navigate to the EC2 dashboard in the AWS Console.

· Select an appropriate AMI based on your requirements.

· Configure instance details like instance type, security groups, and key pairs.

Setting up Networking for the EC2 Instance

· Choose a VPC for the instance to control networking settings.

· Assign an Elastic IP address for a static public IP.

· Set up security groups to define inbound and outbound traffic rules.

Accessing the EC2 Instance

· Connect to the instance using SSH or RDP depending on the operating system.

· Install necessary software and configure the instance to meet your needs.

· Test the connectivity and functionality to ensure proper setup.

Attaching an IAM Role to the EC2 Instance

Creating an IAM Role

· Go to the IAM dashboard in the AWS Console.

· Create a new IAM Role with specific permissions based on your requirements.

· Understand the trust policy and access policy to control access to resources.

Attaching IAM Role to the EC2 Instance

· Select the EC2 Instance to attach the IAM Role.

·Actions -> Security -> Modify role ->Attach Role

· Assign the IAM Role during the instance creation process.

· Verify successful attachment of the IAM Role to the EC2 Instance.

Testing IAM Role Permissions

· Run commands on the EC2 Instance to test IAM Role permissions.

· Monitor access to AWS services granted by the IAM Role.

· Troubleshoot any permission-related issues as needed.

Conclusion

Recap of Setting up an EC2 Instance and Attaching an IAM Role

· Properly configuring EC2 Instances is crucial in AWS environment.

· IAM Roles offer efficient permission management and enhanced security.

· Summary of steps for creating an EC2 Instance and assigning an IAM Role.

CLI COMMANDS

Checking whether the user is attached to the EC2 Instance

FAQs

What is the cost associated with running an EC2 Instance in AWS?

· Explore EC2 pricing models and factors influencing costs.

Can I change the IAM Role assigned to an existing EC2 Instance?

· Learn the steps to modify IAM Roles for existing EC2 Instances.

Is it possible to create custom IAM Policies to assign to IAM Roles?

· Create custom IAM Policies and assign them to IAM Roles in AWS.