AwsHow-ToBeginner · 3 min read

How to Configure AWS CLI: Step-by-Step Guide

To configure aws cli, run aws configure in your terminal and enter your AWS Access Key ID, Secret Access Key, default region, and output format. This sets up your credentials and preferences for AWS command-line operations.

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Syntax

The basic command to configure AWS CLI is aws configure. It prompts you to enter four pieces of information:

AWS Access Key ID: Your unique access key for AWS.
AWS Secret Access Key: Your secret key paired with the access key.
Default region name: The AWS region you want to work in, like us-east-1.
Default output format: The format for command output, such as json, text, or table.

bash

aws configure

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Example

This example shows running aws configure and entering your credentials and preferences. It sets up your AWS CLI environment for use.

bash

aws configure
AWS Access Key ID [None]: AKIAIOSFODNN7EXAMPLE
AWS Secret Access Key [None]: wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
Default region name [None]: us-east-1
Default output format [None]: json

Output

Configuration saved to ~/.aws/credentials and ~/.aws/config

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Common Pitfalls

Common mistakes when configuring AWS CLI include:

Entering incorrect Access Key or Secret Key, causing authentication errors.
Skipping the region, which can lead to commands running in unexpected regions.
Choosing an unsupported output format, causing command output errors.
Not having AWS CLI installed or using an outdated version.

Always verify your keys and region, and update AWS CLI to the latest version.

bash

Wrong way:
aws configure
AWS Access Key ID [None]: WRONGKEY
AWS Secret Access Key [None]: WRONGSECRET

Right way:
aws configure
AWS Access Key ID [None]: AKIAIOSFODNN7EXAMPLE
AWS Secret Access Key [None]: wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY

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Quick Reference

Setting	Description	Example
AWS Access Key ID	Your AWS access key	AKIAIOSFODNN7EXAMPLE
AWS Secret Access Key	Your AWS secret key	wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
Default region name	AWS region for commands	us-east-1
Default output format	Format for CLI output	json

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Key Takeaways

Run aws configure to set up your AWS CLI credentials and preferences.

Always enter correct Access Key, Secret Key, and region to avoid errors.

Choose an output format like json for easy reading and scripting.

Keep AWS CLI updated to use the latest features and fixes.