Скачать или смотреть Auto Start & Stop EC2 Instances | Save AWS Costs with Lambda!

💡 *Objective:*
In this video, we will learn how to automatically start and stop *AWS EC2 instances* at specific times using **AWS Lambda**. This automation helps optimize cloud costs by ensuring that unused instances are stopped when not needed (e.g., during non-business hours) and started automatically when required.

🔹 *Why Automate EC2 Start & Stop?*
✅ Reduce unnecessary AWS costs by stopping unused instances.
✅ Automate the process using AWS Lambda without manual intervention.
✅ Schedule instance management using CloudWatch Events.

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*🛠️ AWS Services Used in this Project:*
🔹 *AWS Lambda* – To execute the function that starts/stops EC2 instances.
🔹 *Amazon EC2* – Virtual machines that we will automate.
🔹 *AWS IAM* – To define permissions for Lambda to control EC2 instances.
🔹 *Amazon CloudWatch* – To schedule and trigger the Lambda function at specific times.

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*📌 Step-by-Step Guide:*

*Step 1: Create an IAM Role for Lambda*
🔹 Go to AWS IAM and create a new role.
🔹 Attach the *AWSLambdaBasicExecutionRole* policy.
🔹 Add custom permissions to allow *EC2:StartInstances* and *EC2:StopInstances* actions.
🔹 Attach the role to the Lambda function.

*Step 2: Write the Lambda Function in Python*
🔹 Use *boto3* (AWS SDK for Python) to start and stop instances.
🔹 Define a function that checks the instance state and performs actions accordingly.
🔹 Add error handling to avoid failures in execution.

*Step 3: Configure AWS Lambda*
🔹 Create a new *AWS Lambda* function.
🔹 Choose *Python* as the runtime and paste the code.
🔹 Assign the IAM role created earlier.
🔹 Set timeout and memory settings as required.

*Step 4: Set Up a CloudWatch Event to Trigger the Function*
🔹 Open *Amazon CloudWatch* → Events → Create a Rule.
🔹 Define a *cron expression* (e.g., stop at 8 PM, start at 8 AM).
🔹 Select the Lambda function as the target.
🔹 Save and enable the rule.

*Step 5: Test and Monitor the Execution*
🔹 Run the function manually to check if it works.
🔹 Verify logs in **Amazon CloudWatch Logs**.
🔹 Monitor cost savings using **AWS Cost Explorer**.

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*🎯 Use Case & Benefits:*
✅ *Cost Optimization* – Stop unused instances at night and start them only when needed.
✅ *Automation* – No need for manual intervention; everything runs on a schedule.
✅ *Scalability* – Works for multiple instances across different AWS regions.
✅ *Security & Efficiency* – Uses IAM policies to ensure secure access.

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🎬 *Watch the Full Video and Learn How to Automate EC2 Management Using AWS Lambda!*
💬 Have questions? Drop them in the comments!
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#AWSLambda #EC2Automation #CostOptimization #AWSCloud #DevOps