aws

Setup

brew install awscli

Verify installation:

aws --version

Use --output json for machine-readable output.

Authentication

aws configure

Verify identity:

aws sts get-caller-identity

Resources

S3

Command	Description
aws s3 ls	List all buckets
aws s3 ls s3://<bucket>	List objects in a bucket
aws s3 ls s3://<bucket>/<prefix>/ --recursive	List all objects with a prefix
aws s3 cp <file> s3://<bucket>/	Upload a file to S3
aws s3 cp s3://<bucket>/<key> <file>	Download a file from S3
aws s3 sync . s3://<bucket>/	Sync local directory to S3
aws s3 sync s3://<bucket>/ .	Sync S3 to local directory
aws s3 rm s3://<bucket>/<key>	Delete an object
aws s3 mb s3://<bucket>	Create a bucket
aws s3 rb s3://<bucket> --force	Delete a bucket and its contents

EC2

Command	Description
aws ec2 describe-instances	List all EC2 instances
aws ec2 describe-instances --filters "Name=instance-state-name,Values=running"	List running instances
aws ec2 start-instances --instance-ids <id>	Start an instance
aws ec2 stop-instances --instance-ids <id>	Stop an instance
aws ec2 terminate-instances --instance-ids <id>	Terminate an instance
aws ec2 describe-security-groups	List security groups

Lambda

Command	Description
aws lambda list-functions	List all Lambda functions
aws lambda invoke --function-name <name> output.json	Invoke a function
aws lambda invoke --function-name <name> --payload '{"key":"value"}' output.json	Invoke with payload
aws lambda get-function --function-name <name>	Get function details
aws lambda update-function-code --function-name <name> --zip-file fileb://function.zip	Update function code
aws lambda list-event-source-mappings	List event source mappings

IAM

Command	Description
aws iam list-users	List all IAM users
aws iam list-roles	List all IAM roles
aws iam list-policies --scope Local	List custom policies
aws iam get-user	Get current user details
aws iam create-user --user-name <name>	Create a user

CloudFormation

Command	Description
aws cloudformation deploy --template-file template.yaml --stack-name <name>	Deploy a stack
aws cloudformation describe-stacks	List all stacks
aws cloudformation describe-stack-events --stack-name <name>	View stack events
aws cloudformation delete-stack --stack-name <name>	Delete a stack

STS

Command	Description
aws sts get-caller-identity	Show current identity
aws sts assume-role --role-arn <arn> --role-session-name <name>	Assume an IAM role

Global Flags

Flag	Description
--output json	Output as JSON
--output table	Output as table
--output text	Output as plain text
--region <region>	Specify AWS region
--profile <name>	Use a named profile
--query <expression>	JMESPath query for filtering output
--no-paginate	Disable pagination