# aws

> Core AWS services guidance including EC2, S3, RDS, and Lambda for cloud infrastructure.

- Author: PHAN ANH TUAN
- Repository: TUAN130294/Universalkit
- Version: 20251220090240
- Stars: 0
- Forks: 0
- Last Updated: 2026-02-07
- Source: https://github.com/TUAN130294/Universalkit
- Web: https://mule.run/skillshub/@@TUAN130294/Universalkit~aws:20251220090240

---

# AWS Cloud Platform

Core AWS services guidance including EC2, S3, RDS, and Lambda for cloud infrastructure.

## Skill Overview

This skill covers fundamental AWS services for hosting applications, storing data, and running serverless functions.

## Core Services

### EC2 (Elastic Compute Cloud)

**Launch Instance:**
```bash
# Create instance
aws ec2 run-instances \
  --image-id ami-0c55b159cbfafe1f0 \
  --instance-type t2.micro \
  --key-name my-key-pair \
  --security-group-ids sg-903004f8 \
  --subnet-id subnet-6e7f829e

# List instances
aws ec2 describe-instances

# Start/stop instance
aws ec2 start-instances --instance-ids i-1234567890abcdef0
aws ec2 stop-instances --instance-ids i-1234567890abcdef0

# Terminate instance
aws ec2 terminate-instances --instance-ids i-1234567890abcdef0
```

### S3 (Simple Storage Service)

**Bucket Operations:**
```bash
# Create bucket
aws s3 mb s3://my-bucket-name

# List buckets
aws s3 ls

# Upload file
aws s3 cp file.txt s3://my-bucket-name/
aws s3 cp ./dist s3://my-bucket-name/ --recursive

# Download file
aws s3 cp s3://my-bucket-name/file.txt ./

# Sync directory
aws s3 sync ./dist s3://my-bucket-name/

# Delete object
aws s3 rm s3://my-bucket-name/file.txt

# Make bucket public (static website)
aws s3 website s3://my-bucket-name/ --index-document index.html
```

### RDS (Relational Database Service)

**Database Management:**
```bash
# Create DB instance
aws rds create-db-instance \
  --db-instance-identifier mydb \
  --db-instance-class db.t3.micro \
  --engine postgres \
  --master-username admin \
  --master-user-password password \
  --allocated-storage 20

# List DB instances
aws rds describe-db-instances

# Create snapshot
aws rds create-db-snapshot \
  --db-instance-identifier mydb \
  --db-snapshot-identifier mydb-snapshot-$(date +%Y%m%d)

# Restore from snapshot
aws rds restore-db-instance-from-db-snapshot \
  --db-instance-identifier mydb-restored \
  --db-snapshot-identifier mydb-snapshot-20240101
```

### Lambda (Serverless Functions)

**Function Creation:**
```bash
# Create function
aws lambda create-function \
  --function-name my-function \
  --runtime nodejs18.x \
  --role arn:aws:iam::123456789012:role/lambda-role \
  --handler index.handler \
  --zip-file fileb://function.zip

# Invoke function
aws lambda invoke \
  --function-name my-function \
  --payload '{"key":"value"}' \
  response.json

# Update function code
aws lambda update-function-code \
  --function-name my-function \
  --zip-file fileb://function.zip

# List functions
aws lambda list-functions
```

**Lambda Function Example:**
```javascript
// index.js
exports.handler = async (event) => {
  console.log('Event:', JSON.stringify(event));

  const response = {
    statusCode: 200,
    body: JSON.stringify({
      message: 'Hello from Lambda!',
      input: event
    })
  };

  return response;
};
```

## IAM (Identity and Access Management)

```bash
# Create user
aws iam create-user --user-name developer

# Attach policy
aws iam attach-user-policy \
  --user-name developer \
  --policy-arn arn:aws:iam::aws:policy/AmazonS3FullAccess

# Create access key
aws iam create-access-key --user-name developer
```

## CloudWatch (Monitoring)

```bash
# Get metrics
aws cloudwatch get-metric-statistics \
  --namespace AWS/EC2 \
  --metric-name CPUUtilization \
  --dimensions Name=InstanceId,Value=i-1234567890abcdef0 \
  --start-time 2024-01-01T00:00:00Z \
  --end-time 2024-01-01T23:59:59Z \
  --period 3600 \
  --statistics Average

# View logs
aws logs tail /aws/lambda/my-function --follow
```

## Resources

- [AWS Documentation](https://docs.aws.amazon.com/)
- [AWS CLI Reference](https://awscli.amazonaws.com/v2/documentation/api/latest/index.html)
- [AWS Free Tier](https://aws.amazon.com/free/)

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