AWS CLI Cheat Sheet
AWS CLI commands for S3, EC2, Lambda, IAM, and other core services.
3 PagesIntermediateApr 30, 2026
S3
Object storage commands.
bash
aws s3 ls # List bucketsaws s3 cp file.txt s3://my-bucket/ # Uploadaws s3 sync ./dist s3://my-bucket/ # Sync a folderaws s3 rm s3://my-bucket/file.txt # Delete object
EC2
Compute instance commands.
bash
aws ec2 describe-instancesaws ec2 start-instances --instance-ids i-0abc123aws ec2 stop-instances --instance-ids i-0abc123
Lambda
Serverless function commands.
bash
aws lambda invoke --function-name myFunc out.jsonaws lambda update-function-code \ --function-name myFunc --zip-file fileb://code.zip
IAM
Identity and access management.
bash
aws iam list-usersaws iam create-user --user-name newuseraws iam attach-user-policy --user-name newuser \ --policy-arn arn:aws:iam::aws:policy/ReadOnlyAccess
Pro Tip
Configure named profiles (aws configure --profile name) to safely switch between multiple AWS accounts.
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