AWS S3 CLI

• AWS CLI for S3 comes with two commands
  • s3: simple interface
  • s3api: low level calls
• Terms:
  • S3uri:
    • bucket: s3://<bucket-name>
      • Examples:
        • s3://ltdocsforlearning
    • object: s3://<bucket-name>/<path-to-object>
      • Examples:
        • s3://ltdocsforlearning/docs/1.txt
• Setting up aws cli
  • AWS CLI access key and secret key setup on workstation
  • AWS IAM Role to access s3 on EC2 instance

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How to use aws cli

• Refer Here for s3 cli docs and Refer Here for s3api cli docs

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Activities

• Setup necessary IAM Permission on your workstation
• Get all the s3 buckets

aws s3 ls

• Create a new bucket

aws s3 mb s3://<new-bucket-name>

* upload some files from local system to new bucket

aws s3 cp <source> <destination>

* upload folders into new bucket



* copy the contents of new bucket into another bucket post creation

* delete both buckets

• Download any website template into a folder on your workstation Refer Here
  • cd in to the folder with index.html
  • Now cp the contents to a new bucket
• Grant public read access

{
    "Version": "2012-10-17",
    "Id": "Policy1729912460136",
    "Statement": [
        {
            "Sid": "Stmt1729912458418",
            "Effect": "Allow",
            "Principal": "*",
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::ltwebsite.com/*"
        }
    ]
}

• Findout commands to unblock public access and upload the s3 bucket policy
• I want to backup a folder on my system to s3 for which using sync is recommended