AWS Fundamentals: Hands-On Open-Source Repositories

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We’ve updated our AWS Fundamentals platform to include open-source, hands-on repositories, making it easier to explore and practice real-world cloud scenarios.

🔗 Check it out here: AWS Fundamentals Repositories

You Should Know:

1. Setting Up AWS CLI

To interact with AWS services from your terminal, install and configure the AWS CLI:

curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" 
unzip awscliv2.zip 
sudo ./aws/install 
aws configure

2. Basic AWS Commands

  • List S3 Buckets: 
    aws s3 ls
  • Launch an EC2 Instance: 
    aws ec2 run-instances --image-id ami-0abcdef1234567890 --instance-type t2.micro --key-name MyKeyPair
  • Check Running Instances: 
    aws ec2 describe-instances --query "Reservations[].Instances[].InstanceId"

3. Terraform for AWS Automation

Deploy infrastructure as code using Terraform:

terraform init 
terraform plan 
terraform apply -auto-approve

4. AWS Security Best Practices

  • Rotate IAM Keys: 
    aws iam create-access-key --user-name MyUser 
aws iam update-access-key --user-name MyUser --access-key-id OLD_KEY --status Inactive
  • Check Unencrypted S3 Buckets: 
    aws s3api list-buckets --query "Buckets[].Name" | xargs -I {} aws s3api get-bucket-encryption --bucket {}

5. AWS Lambda with Python

Deploy a serverless function:

import json

def lambda_handler(event, context): 
return { 
'statusCode': 200, 
'body': json.dumps('Hello from Lambda!') 
}

Deploy using:

aws lambda create-function --function-name MyFunction --runtime python3.8 --handler lambda_function.lambda_handler --role arn:aws:iam::123456789012:role/lambda-role --zip-file fileb://function.zip

What Undercode Say:

AWS fundamentals are critical for cloud engineers. Mastering CLI, Terraform, and security best practices ensures scalable and secure deployments. Automation reduces human error, while hands-on labs solidify learning.

Prediction:

As cloud adoption grows, AWS skills will remain in high demand. Open-source repositories like these will bridge the gap between theory and real-world implementation.

Expected Output:

  • AWS CLI configured
  • EC2 instances listed
  • Terraform deployments executed
  • IAM keys rotated securely
  • Lambda function deployed successfully

References:

Reported By: Tpschmidt Weve – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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