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Cut AWS EC2 Costs with Python: Automate Cost Optimization Using AWS Lambda

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  Introduction Managing AWS EC2 costs efficiently is crucial for DevOps and cloud engineers. In this guide, we’ll explore how to automate EC2 instance optimization using  AWS Lambda  and  Python (Boto3) . You’ll learn how to: ✅ Automatically  stop and start instances  based on business hours ✅  Monitor CPU utilization  and shut down underutilized instances ✅ Use  tags and CloudWatch metrics  to identify non-essential resources ✅ Schedule the Lambda function using  EventBridge (CloudWatch Events) ✅ Improve  cost efficiency  while ensuring service availability. With hands-on examples and best practices, this article will help you  reduce EC2 costs without manual intervention. Lambda Use Case Create an IAM Role for Lambda Write the Python Code for Lambda Schedule the Lambda Function Modify to Stop EC2 Instances Based on CPU Usage Final Steps Conclusion. 1. Lambda Use Case: - Stop idle EC2 instances  outside of busin...