aws cli cheatsheet

EC2 (Elastic Compute Cloud)

Instances

List all instances:
```
aws ec2 describe-instances
```

Start an instance:

aws ec2 start-instances --instance-ids <instance-id>

Stop an instance:

aws ec2 stop-instances --instance-ids <instance-id>

Reboot an instance:

aws ec2 reboot-instances --instance-ids <instance-id>

Terminate an instance:

aws ec2 terminate-instances --instance-ids <instance-id>

Key Pairs

List key pairs:
```
aws ec2 describe-key-pairs
```

Create a key pair:

aws ec2 create-key-pair --key-name <key-name>

Security Groups

List security groups:
```
aws ec2 describe-security-groups
```

Create a security group:

aws ec2 create-security-group --group-name <group-name> --description "<description>"

S3 (Simple Storage Service)

Buckets

List all buckets:
```
aws s3 ls
```
Create a bucket:
```
aws s3 mb s3://<bucket-name>
```
Delete a bucket:
```
aws s3 rb s3://<bucket-name> --force
```

Objects

List objects in a bucket:
```
aws s3 ls s3://<bucket-name>/
```

Upload a file:

aws s3 cp <local-file> s3://<bucket-name>/

Download a file:

aws s3 cp s3://<bucket-name>/<file-name> <local-path>

Sync local directory with S3 bucket:

aws s3 sync <local-dir> s3://<bucket-name>

Delete an object:

aws s3 rm s3://<bucket-name>/<file-name>

RDS (Relational Database Service)

Instances

List RDS instances:
```
aws rds describe-db-instances
```

Start an RDS instance:

aws rds start-db-instance --db-instance-identifier <db-instance-id>

Stop an RDS instance:

aws rds stop-db-instance --db-instance-identifier <db-instance-id>

Delete an RDS instance:

aws rds delete-db-instance --db-instance-identifier <db-instance-id> --skip-final-snapshot

Snapshots

List DB snapshots:
```
aws rds describe-db-snapshots
```

Create a DB snapshot:

aws rds create-db-snapshot --db-instance-identifier <db-instance-id> --db-snapshot-identifier <snapshot-name>

ECR (Elastic Container Registry)

Repositories

List all repositories:
```
aws ecr describe-repositories
```

Create a repository:

aws ecr create-repository --repository-name <repository-name>

Delete a repository:

aws ecr delete-repository --repository-name <repository-name> --force

Images

List images in a repository:

aws ecr list-images --repository-name <repository-name>

Authenticate Docker with ECR:

aws ecr get-login-password --region <region> | docker login --username AWS --password-stdin <account-id>.dkr.ecr.<region>.amazonaws.com

Push an image to ECR:

docker push <account-id>.dkr.ecr.<region>.amazonaws.com/<repository-name>:<tag>

IAM (Identity and Access Management)

Users

List users:
```
aws iam list-users
```

Create a user:

aws iam create-user --user-name <user-name>

Delete a user:

aws iam delete-user --user-name <user-name>

Roles

List roles:
```
aws iam list-roles
```

Create a role:

aws iam create-role --role-name <role-name> --assume-role-policy-document file://<policy-file>.json

Delete a role:

aws iam delete-role --role-name <role-name>

Policies

List policies:
```
aws iam list-policies
```

Attach a policy to a user:

aws iam attach-user-policy --user-name <user-name> --policy-arn <policy-arn>

Credentials

Configure AWS CLI

Configure CLI with credentials:
```
aws configure
```

Profile Management

Use a specific profile:

aws <service> <command> --profile <profile-name>

List all profiles:
```
cat ~/.aws/credentials
```
Set environment variables for credentials:

2025-02-23 edit)
Access Key, Secret Key를 발급받기 위해선 AWS console > IAM > Security Credentials > Access keys 로 이동하여 직접 키를 발급받으면 된다.

export AWS_ACCESS_KEY_ID=<your-access-key>
export AWS_SECRET_ACCESS_KEY=<your-secret-key>
export AWS_DEFAULT_REGION=<your-region>

Rotate Access Keys

List access keys:

aws iam list-access-keys --user-name <user-name>

Create a new access key:

aws iam create-access-key --user-name <user-name>

Delete an access key:

aws iam delete-access-key --access-key-id <access-key-id> --user-name <user-name>