AWS CLI

AWS Command Line Tool (CLI)

AWS CLI is available in GitHub: https://github.com/aws/aws-cli/releases.

Installation

• Linux, execute apt-get -y install awscli and configure it use aws configure and check configuration using aws configure list.

• MacOS, execute: brew install awscli

AWS CLI configuration

First you will need to configure your AWS CLI access: aws configure or aws configure --profile your-new-profile-name. You will be prompted to enter a username and password. Configuration will be saved in directory $HOME/.aws/ in files credentials and config.

Execute aws configure list to view your actual configuration. If you execute for the first time will be something like:

 aws configure list
     Name                    Value             Type    Location
     ----                    -----             ----    --------
  profile                <not set>             None    None
  access_key             <not set>             None    None
  secret_key             <not set>             None    None
  region                 <not set>             None    None

Basic AWS EC2 commands

Before starting to use AWS CLI you will need to configure IAM policies for your user.

• Get a list of EC2 instances:

aws ec2 describe-instances

• Get a list of EC2 instances and filter Name, Id and Status:

aws ec2 describe-instances | egrep 'InstanceId|"Name":|"Value":|PublicIp'

• Create or run an instance

aws ec2 run-instances

• Start an EC2 instance:

aws ec2 start-instances --instance-ids i-08cf893bbcfd7dc46 (Use your own instance-id)

• Stop an EC2 instance:

aws ec2 stop-instances --instance-ids i-08cf893bbcfd7dc46 (Use your own instance-id)

• Show Relational Database Service (RDS) instances:

aws rds describe-db-instances

• Query and display EC2 metadata: ec2metadata (Distributed in cloud-guest-utils package at least in Debian)

Basic AWS S3 commands

• List your buckets: aws s3api list-buckets

• List your buckets in all regions:

for region_name in ap-south-1 eu-west-3 eu-west-2 eu-west-1 ap-northeast-2 ap-northeast-1 sa-east-1 ca-central-1 ap-southeast-1 ap-southeast-2 eu-central-1 us-east-1 us-east-2 us-west-1 us-west-2; do 
   aws s3api list-buckets --region $region_name
done

• aws s3 ls

If you do not have permisssions you will get the following error:

An error occurred (AccessDenied) when calling the ListBuckets operation: Access Denied

• aws s3 ls your_bucket_name
• aws --profile your_profile_name s3 ls your_bucket_name (You can also use a profile to define your credentials)
• aws s3 cp
• Size of a Bucket: aws s3 ls --summarize --human-readable --recursive s3://bucket-name/

Basic AWS IAM commands

• aws iam list-users

If you do not have permisssions you will get the following error:

An error occurred (AccessDenied) when calling the ListUsers operation: User: arn:aws:iam::146910341356:user/MY_USERNAME is not authorized to perform: iam:ListUsers on resource: arn:aws:iam::146910341356:user/

• aws iam list-user-policies --user-name USERNAME

Basic AWS Security commands

• Authorizing Inbond Traffic from anywhere to TCO port 80

aws ec2 describe-instance-attribute --instance-id YOUR_INSTANCE_ID --attribute groupSet

aws ec2 authorize-security-group-ingress --group-id YOUR_GROUP_ID --protocol tcp --port 80 --cidr 0.0.0.0/0

Basic AWS ECS commands

• aws ecs list-clusters

Basic AWS Config service commands

• aws configservice get-status

Networking

• aws ec2 describe-subnets

Related terms

• google-cloud-sdk and gcloud
• sam
• eksctl, official AWS cli to manage EKS clusters

See Also

• AWS EC2, Amazon EC2 API, aws ec2, AWS::EC2, Amazon EC2 Spot Instances, CPU credits, Instance type, EC2 limitations, 169.254.169.254, Instance metadata and user data (IMDS), InstanceType, InstanceId, Amazon EC2 Auto Scaling, AWS EC2 Instance Connect, launch template, lifecycle, AWS Security group (SG), Amazon EC2 Recycle Bin, Amazon EC2 Mac Instances, Global View
• Cloud CLIs: AWS CLI, eksctl, sam, doctl, gcloud, gsutil, aliyun, google-cloud-sdk, ibmcloud, cf, heroku
• AWS, Amazon Managed Services, AWS Management & Governance, computing, security, networking, AWS compliance, AWS Outposts AWS Free Tier, AWS certifications, AWS Trusted Advisor, AWS Systems Manager, AWS Config, IAM Access Analyzer, AWS Cost Explorer, AWS Cost Management, AWS Budgets, AWS Organizations, AWS dev: (CodeStar, Cloud9), AWS Partner Network (APN), AWS Resource Access Manager, AWS Quick Starts, AWS Global Accelerator, AWS Elemental MediaStore, AWS Enterprise support, AWS support, AWS Professional Services Consultants, AWS Cloud Map, AWS Marketplace, AWS CLI, AWS Management Console, AWS acceptable use policy, amazonaws.com, Quotas, AWS Support plans, AWS Resource Explorer, AWS Managed Services (AMS), AWS savings, AWS Nitro System, AWS Activate, Serverless, AWS timeline

https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-getting-started.html

https://docs.aws.amazon.com/cli/latest/reference/ec2/index.html

https://docs.aws.amazon.com/cli/latest/reference/ec2/run-instances.html

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html

https://docs.aws.amazon.com/cli/latest/reference/s3/cp.html

https://serverfault.com/a/721197

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/authorizing-access-to-an-instance.html