Authentication

aws configure Set up AWS credentials for S3 access aws s3 presign s3://bucket-name/object-key Generate a pre-signed URL for temporary access to an object

Bucket Operations

aws s3 ls List all buckets aws s3 mb s3://bucket-name Create a new bucket aws s3 rb s3://bucket-name Delete an empty bucket aws s3 rb s3://bucket-name --force Delete a bucket and all its contents

Object Operations

aws s3 ls s3://bucket-name List objects in a bucket aws s3 ls s3://bucket-name --recursive List all objects in a bucket including subdirectories aws s3 cp file.txt s3://bucket-name/ Upload a file to a bucket aws s3 cp s3://bucket-name/file.txt ./ Download a file from a bucket aws s3 mv file.txt s3://bucket-name/ Move/rename a file to S3 aws s3 rm s3://bucket-name/file.txt Delete an object aws s3 rm s3://bucket-name --recursive Delete all objects in a bucket

Sync Operations

aws s3 sync . s3://bucket-name/ Sync local directory to S3 bucket aws s3 sync s3://bucket-name/ . Sync S3 bucket to local directory aws s3 sync . s3://bucket-name/ --delete Sync and delete files that don't exist in source

Access Control

aws s3api get-bucket-policy --bucket bucket-name View bucket policy aws s3api put-bucket-policy --bucket bucket-name --policy file://policy.json Set bucket policy aws s3api get-bucket-acl --bucket bucket-name View bucket ACL aws s3api put-bucket-acl --bucket bucket-name --acl public-read Set bucket ACL

Monitoring

aws s3api get-metric-statistics Get bucket metrics aws cloudwatch get-metric-statistics --namespace AWS/S3 Get S3 metrics from CloudWatch aws s3api get-bucket-notification-configuration --bucket bucket-name View notification configuration