Which of the following is required to use the AWS command line interface CLI )?
Amazon provides a myriad of tools which help developers, architects, and administrators to develop and manage AWS cloud services. These include software development kits (SDK), console, command line tools, etc. In this article, we’ll explore the AWS Command Line Interface (AWS CLI) tool in detail – covering its benefits, installation and configuration on different operating systems. We will also discuss some of the most frequently asked questions about the AWS CLI. So let’s find answers to the question – what is AWS CLI? Show
What is AWS CLI?AWS CLI is an open source command-based application developed by AWS for easy management of your AWS cloud service. It provides different commands for managing AWS cloud services. It is compatible with the windows command line, Linux/Mac shell programs, and even remote terminals like putty. Understanding AWS CLIAWS CLI is a native tool that you can use to make your life easier. You can run commands in the terminal of your operating system. For windows, you can run commands in the command prompt. For Linux and Mac, you can use any shell programs like Bash, Zsh, or Tcsh. You can even run AWS CLI commands on remote EC2 instances through putty or SSH. Just like you would set up and manage different AWS services through its console, you can perform all the functions through the CLI tool. What is the use of AWS CLI?AWS CLI is a very useful tool for configuring AWS cloud services, especially the ones requiring multiple steps. You can even automate repetitive tasks through CLI. Automating tasks saves developers time, and they do not need to log in to the console. Once you configure your AWS credentials, you do not need to provide your credentials again and again – unlike the console application, where you are required to provide your credentials every time you access your AWS cloud services. Benefits of AWS CLIAWS CLI provides loads of benefits, including:
Types of AWS CLIThere are two types of CLI tools offered by AWS:
How to download and install AWS CLIWindows Installation
Mac Installation
Linux Installation
Configure AWS CLITo configure AWS CLI, you must first generate the AWS credentials. You need to have the permissions to generate the credentials. How to generate AWS CLI CredentialsThe following items are required to set up and manage AWS services with AWS CLI:
When you run the AWS CLI commands, the AWS CLI accesses these AWS credentials. Creating AWS credentials is therefore mandatory for using AWS CLI. Note: Never use a root account for managing and creating services. Best practice is to always use an IAM account (IAM user). Steps to generate AWS credentials
Now that you have the credentials for AWS, you can start configuring your CLI tool. How to configure AWS Credentials on WindowsRun the command “aws configure” in cmd to start setting up the configuration. Once we enter this command, AWS CLI prompts us with four pieces of information:
Once the configuration is complete, and you can create/manage different services in AWS through the terminal. How to configure AWS Credentials on LinuxExecute the command “aws configure” in the terminal to set up the configuration. Once we enter this command, AWS CLI prompts us with four pieces of information:
The configuration is complete, and you can create/manage different services in AWS through the terminal. Configure AWS Credentials on MacExecute the command “aws configure” in the terminal to set up the configuration. Once we enter this command, AWS CLI prompts us with four pieces of information:
Once the configuration is complete, you can create/manage different services in AWS through the terminal. Commonly Used Commands in AWS CLISome of the most common CLI commands are the following: Configuration CommandsCreate profiles: aws configure –profile profilename Output format: aws configure output format To specify your AWS region: aws configure region (region-name) Amazon EC2 CommandsLaunch an Amazon EC2 instance (must update the AMI ID): aws ec2 run-instances –instance-type t2.micro –image-id ami-0f5411afa59916e0e –region us-east-1 Amazon API Gateway CommandsList API Gateway IDs and names: aws apigateway get-rest-apis | jq -r ‘.items[] | .id+” “+.name’ List API Gateway Keys: aws apigateway get-api-keys | jq -r ‘.items[] | .id+” “+.name’ Amazon CloudFrontList CloudFront distributions and origins: aws cloudfront list-distributions | jq -r ‘.DistributionList.Items[ ] | .DomainName+ “ “+Origins.Items[0].DomainName’ Amazon CloudWatchList information about an alarm: aws cloudwatch describe-alarms | jq -r ‘.MetricAlarms[ ] | .AlarmName+” “+.Namespace+” “+.StateValue’ Amazon DynamoDBList DynamoDB tables: aws dynamodb list-tables –region ap-southeast-2 // replace with your region Get all items from a table: aws dynamodb scan –table-name events // replace with your table name IAM GroupList groups: aws iam list-groups | jq -r .Groups[ ].GroupName Add/Delete groups: aws iam create-group –group-name (groupName) IAM UserGet single user: aws iam get-user –user-name (username) Add user: aws iam create-user –user-name (username) Delete user: aws iam delete-user –user-name (username) Frequently asked questionsWhat is the main function of the AWS command line interface?The AWS command line interface (AWS CLI) is a unified all-in-in tool through which you can control and manage all your AWS cloud services. Through the AWS CLI, you can automate work through shell scripts. AWS CLI gives you access to all AWS API’s and cloud services. What is the difference between AWS CLI and AWS Console?The AWS console is a web-based application by AWS, which you can easily use to manage your AWS services. AWS CLI is also a handy tool to configure AWS services quickly. The AWS CLI may come with a learning curve, while the AWS console does not need much expertise. Viewing reports or dashboards is the best use case for the AWS console. How to check if AWS CLI is installed on your system?It is very easy to confirm if AWS CLI is currently installed on your system or not. Just run the command “aws –version” in your command prompt or terminal. If CLI is installed, then you will see the version of the installed CLI. If you get an error message such as “AWS is not recognized, ” it means that the AWS CLI is not installed. Does AWS CLI use bash?AWS CLI is an open source native tool built on top of AWS SDK for python. AWS CLI supports many shell programs like bash, Tcsh, Zsh, etc. Is AWS CLI available in Lambda?Yes, you can use AWS CLI inside the lambda function. You will need to create a lambda layer and include all the dependencies of CLI in the deployment package. For detailed info, click here. Where does AWS CLI store credentials?In windows, the credentials are stored at C:\Users\{USERNAME}\.aws\credentials, and on Linux and Mac, the location is ~/.aws/credentials Is AWS CLI essential for AWS certifications?Yes, both the AWS Solutions Architect Associate as well as the AWS SysOps Administrator Associate exam require practical knowledge of AWS CLI. You need to know the syntax of different commands, and you should also know the relevant commands to manage common cloud services like EC2, S3, EBS, etc. ConclusionIn this article, we discussed the AWS CLI in detail. After going through this article, you should be able to understand what the AWS CLI is, where you use it and how to install/configure it on your operating system. AWS CLI is an important tool in your AWS arsenal. You must have a good command of to master AWS services. Strong knowledge of AWS CLI is a prerequisite for many AWS certifications, such as the AWS Solutions Architect Associate and the AWS SysOps Administrator Associate. Which of the following defines the AWS Command Line Interface AWS CLI?The AWS Command Line Interface (AWS CLI) is an Amazon Web Services tool that enables developers to control Amazon public cloud services by typing commands on a specified line. AWS' version of a command-line interface is one of several methods a developer can use to create and manage AWS tools.
Can we use command line interface CLI for aws?The AWS Command Line Interface (AWS CLI) is a unified tool to manage your AWS services. With just one tool to download and configure, you can control multiple AWS services from the command line and automate them through scripts.
Which keys are required for AWS CLI access?Access keys consist of two parts: an access key ID (for example, AKIAIOSFODNN7EXAMPLE ) and a secret access key (for example, wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY ). Like a user name and password, you must use both the access key ID and secret access key together to authenticate your requests.
Which CLI command is used to authenticate to aws?If you use profiles to authenticate commands using the AWS CLI, specify the --profile option followed by the profile name to verify that the calls authenticate using MFA. For example, this command uses the default profile credentials and isn't authenticated with MFA.
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