Use high-level (s3) commands with the AWS CLI

Amazon Simple Storage Service (Amazon S3) is a generally utilized, versatile, and highly dependable object storage service provided by Amazon Web Services (AWS). S3 allows you to store and recover any measure of data whenever, from anyplace on the web, while the AWS Management Console Center offers an easy to understand interface for managing S3, and the AWS Command Line Interface (CLI) gives a strong option in contrast to automation, scripting, and high level configurations.

Utilizing the AWS CLI, you can carry out various tasks, for example, creating and managing buckets, uploading and downloading files, setting bucket policies, and substantially more. This article plans to introduce you to the most widely recognized AWS S3 CLI commands, giving a far reaching manual for assist you with effectively dealing with your S3 resources from the command line. Whether you are a carefully prepared developer or a beginner cloud user, dominating these commands will fundamentally improve your capacity to interact with AWS S3.

Primary Terminologies

  • AWS CLI: The AWS Command Line Interface is a brought together tool to deal with your AWS services. With only one tool to download and configure, you have some control over various AWS services from the command line and automate them through scripts.
  • Amazon S3 (Simple Storage Service): Amazon S3 is an object storage service that offers industry-leading adaptability, data accessibility, security, and performance. Clients of all sizes and industries can utilize it to store and protect any measure of data for a scope of use cases, like data lakes, websites, mobile applications, backup and restore, archive, enterprise applications, IoT devices, and large data analytics.
  • Bucket: A bucket is a container for storing objects (files and their metadata) in Amazon S3. Each bucket is particularly named and can hold a limitless number of objects.
  • Object: An object is the principal substance put away in Amazon S3. Objects comprise of data and metadata. The data segment is obscure to Amazon S3, while the metadata is a bunch of name-esteem coordinates that portray the object .
  • Bucket Policy: A bucket policy is an resource based arrangement that you can use to concede permissions to your S3 bucket and the objects in it. These arrangements are communicated in JSON format and allow you to define who can access to the bucket, what activities they can perform, and under what conditions.
  • IAM Role/User: Identity and Access Management (IAM) roles and users are substances that define permissions for accessing to AWS resources. IAM roles are utilized to assign admittance to AWS services, while IAM users are novel personalities inside your AWS account with explicit consents.
  • Access Control List (ACL): ACLs are utilized to manage permissions on individual objects inside a bucket. ACLs tendons define which AWS accounts or groups are allowed access and the kind of access.

Step-by-Step Process for Common S3 CLI Commands

Step 1: Install and Configure AWS CLI

To Install AWS CLI follow below commands:

curl "https://awscli.amazonaws.com/AWSCLIV2.pkg" -o "AWSCLIV2.pkg"
sudo installer -pkg AWSCLIV2.pkg -target /

To Configure AWS CLI follow below command

  • Run below command to set up your credentials and default region
aws configure

Step 2: Common AWS S3 CLI Commands

aws s3 mb s3://my-new-bucket  --region 
  • List Buckets: By using this command we can check bucket list.
aws s3 ls
  • List Objects in a Bucket: Lists all objects in the specified S3 bucket.
aws s3 ls s3://my-new-bucket
  • Upload a File to a Bucket: By using this command we can upload file to specified S3 Bucket.
aws s3 cp myfile.txt s3://my-new-bucket/
  • Download a File from a Bucket: To download file from the specified S3 bucket to current directory.
aws s3 cp s3://my-new-bucket/myfile.txt .
  • Delete a File from a Bucket: To delete file from specified S3 bucket.
aws s3 rm s3://my-new-bucket/myfile.txt
  • Delete a Bucket: To delete S3 Bucket.
aws s3 rb s3://my-new-bucket --force
  • Sync Directories: Synchronizes the contents of my-local-dir with the specified S3 bucket.
aws s3 sync my-local-dir/ s3://my-new-bucket/

AWS S3 CLI Commands Along with their use cases

Command

Use Cases

aws s3 ls

list all buckets in your account

aws s3 mb s3://bucket-name

It’s create new S3 bucket

aws s3 rb s3://bucket-name

Remove an empty S3 bucket

aws s3 cp file.txt s3://bucket-name

Upload a file to a specified S3 bucket

aws s3 cp s3://bucket-name/file.txt

Download a file from a specified S3 bucket to your local machine

aws s3 mv file.txt s3://bucket-name

Move a file to a specified S3 bucket

aws s3 sync . s3://bucket-name

Sync files from a local directory to a specified S3 bucket

aws s3 rm s3://bucket-name/file.txt

Delete file from specified S3 bucket

Conclusion

The AWS Command Line Interface (CLI) is an incredible tool that empowers you to manage with your Amazon S3 resources efficiently and really from the command line. By mastering the common S3 CLI commands, you can automate different tasks, smooth out your work processes, and upgrade your efficiency while working with S3.

This article covered fundamental S3 activities, for example, making and managing buckets, transferring and downloading documents, setting bucket policies, and more. Understanding the essential terminologies like buckets, objects, IAM roles, bucket policies, and VPC endpoints is urgent for utilizing the maximum capacity of AWS S3 through the CLI.

By integrating these practices and orders into your daily schedule, you can ensure secure, adaptable, and financially management of your S3 resources. Whether you are backing up basic data, serving static content, or running complex data analytics, the AWS CLI engages you to deal with this large number of undertakings easily and accuracy.

S3 CLI Commands – FAQs

Can I delete all objects in a bucket?

You can delete all objects in a bucket using the aws s3 rm command with the –recursive option

aws s3 rm s3://my-bucket –recursive

What are the advantages of utilizing AWS S3 CLI commands?

Utilizing AWS S3 CLI commands gives a few advantages, including automation of repetitive tasks, consistent integration with scripts and DevOps tools, exact command over S3 tasks, and the capacity to manage S3 resources from the command line without utilizing the AWS Management Console.

How to create bucket?

We can create bucket by using following command

aws s3 mb s3://my-new-bucket

How would I configure the AWS CLI to utilize my credentials?

You can configure the AWS CLI by running the aws configure command. This command prompts you to enter your AWS Access Key ID, Secret Access Key, default area name, and default region name. These certifications are put away in the ~/.aws/credentials and ~/.aws/config files.

Might I perform operations on various S3 bucket on the double?

The AWS CLI doesn’t locally support batch operations on numerous buckets, however, you can utilize shell scripting to loop through a rundown of buckets and apply commands to every one. For example, utilizing a for loop in a Bash Script can assist you with executing orders on multiple buckets.