AWS Command Line Tool (CLI)

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AWS Command Line Tool (CLI)[edit]

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

Installation[edit]

Execute apt-get -y install awscli and configure it[1] use aws configure and check configuration using aws configure list.

AWS CLI configuration[edit]

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 [2][edit]

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 [3]
  • 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 [4] (Distributed in cloud-guest-utils package at least in Debian)

Basic AWS S3 commands[edit]

  • 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[5]
  • Size of a Bucket: aws s3 ls --summarize --human-readable --recursive s3://bucket-name/ [6]

Basic AWS IAM commands[edit]

  • 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[edit]

  • Authorizing Inbond Traffic from anywhere to TCO port 80[7]
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[edit]

  • aws ecs list-clusters

Basic AWS Config service commands[edit]

  • aws configservice get-status

See Also[edit]

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