Thread by @devops_tech

Mastering AWS CLI! 💻

Understanding 25 useful AWS CLI commands with examples.

A Thread 👇

1/25 💻 #AWSCLI Command: aws configure

Example: aws configure

Explanation: Configures your AWS CLI with access key, secret access key, default region, and output format.

2/25 📂 #AWSCLI Command: aws s3 ls

Example: aws s3 ls

Explanation: Lists all S3 buckets in your AWS account.

3/25 📥 #AWSCLI Command: aws s3 cp

Example: aws s3 cp file.txt s3://my-bucket/file.txt

Explanation: Copies a local file to an S3 bucket.

4/25 ⚙️ #AWSCLI Command: aws ec2 run-instances

Example: aws ec2 run-instances --image-id ami-12345678 --instance-type t2.micro --key-name my-keypair

Explanation: Launches a new EC2 instance with the specified AMI, instance type, and key pair.

5/25 🔍 #AWSCLI Command: aws ec2 describe-instances

Example: aws ec2 describe-instances

Explanation: Retrieves information about EC2 instances in your account.

6/25 ▶️ #AWSCLI Command: aws ec2 start-instances

Example: aws ec2 start-instances --instance-ids i-12345678

Explanation: Starts a stopped EC2 instance.

7/25 ⏹️ #AWSCLI Command: aws ec2 stop-instances

Example: aws ec2 stop-instances --instance-ids i-12345678

Explanation: Stops a running EC2 instance.

8/25 🗑️ #AWSCLI Command: aws ec2 terminate-instances

Example: aws ec2 terminate-instances --instance-ids i-12345678

Explanation: Terminates an EC2 instance.

9/25 📷 #AWSCLI Command: aws ec2 create-image

Example: aws ec2 create-image --instance-id i-12345678 --name "My server backup"

Explanation: Creates an AMI from an EC2 instance.

10/25 🛢️ #AWSCLI Command: aws rds describe-db-instances

Example: aws rds describe-db-instances

Explanation: Retrieves info about RDS database instances.

11/25 ➕ #AWSCLI Command: aws rds create-db-instance

Example: aws rds create-db-instance --db-instance-identifier mydb --engine mysql --master-username admin --master-user-password mypassword --allocated-storage 20

Explanation: Creates a new RDS database instance.

12/25 ➖ #AWSCLI Command: aws rds delete-db-instance

Example: aws rds delete-db-instance --db-instance-identifier mydb --skip-final-snapshot

Explanation: Deletes an RDS database instance without a final snapshot.

13/25 ☁️ #AWSCLI cmd: aws lambda create-function

Eg: aws lambda create-function --function-name my-function --runtime python3.8 --handler my_function.handler --role arn:aws:iam::123456789012:role/my-role --zip-file fileb://function.zip

Explanation: Creates a new Lambda function

14/25 🔄 #AWSCLI Command: aws lambda invoke

Example: aws lambda invoke --function-name my-function --payload '{"key1":"value1", "key2":"value2"}' response.txt

Explanation: Invokes a Lambda function synchronously and saves the response.

15/25 🔄 #AWSCLI Command: aws lambda update-function-code

Example: aws lambda update-function-code --function-name my-function --zip-file fileb://function.zip

Explanation: Updates the code of an existing Lambda function.

16/25 🗂️ #AWSCLI Command: aws cloudformation create-stack

Example: aws cloudformation create-stack --stack-name my-stack --template-body file://template.yml

Explanation: Creates a CloudFormation stack using a template file.

17/25 📋 #AWSCLI Command: aws cloudformation describe-stacks

Example: aws cloudformation describe-stacks

Explanation: Retrieves information about CloudFormation stacks in your account.

18/25 🔄 #AWSCLI Command: aws cloudformation update-stack

Example: aws cloudformation update-stack --stack-name my-stack --template-body file://updated-template.yml

Explanation: Updates a CloudFormation stack with a new template.

19/25 🗑️ #AWSCLI Command: aws cloudformation delete-stack

Example: aws cloudformation delete-stack --stack-name my-stack

Explanation: Deletes a CloudFormation stack.

20/25 🌐 #AWSCLI Command: aws apigateway create-rest-api

Example: aws apigateway create-rest-api --name my-api

Explanation: Creates a new API Gateway REST API.

21/25 💾 #AWSCLI Command: aws s3 sync

Example: aws s3 sync local-directory s3://my-bucket/

Explanation: Syncs the contents of a local directory with an S3 bucket, uploading new or modified files and deleting removed files.

22/25 🗑️ #AWSCLI Command: aws s3 rm

Example: aws s3 rm s3://my-bucket/file.txt

Explanation: Deletes a file from an S3 bucket.

23/25 🔒 #AWSCLI Command: aws iam create-user

Example: aws iam create-user --user-name myuser

Explanation: Creates a new IAM user.

24/25 🔄 #AWSCLI Command: aws iam update-user

Example: aws iam update-user --user-name myuser --new-user-name newuser

Explanation: Renames an IAM user.

25/25 🔒 #AWSCLI Command: aws iam create-access-key

Example: aws iam create-access-key --user-name myuser

Explanation: Creates an access key for an IAM user.

Time for Bonus 😍

1) 🔄 #AWSCLI Command: aws iam update-access-key

Example: aws iam update-access-key --access-key-id ABCDEFG --status Inactive

Explanation: Updates the status of an access key to either Active or Inactive.

2) 🔒 #AWSCLI Command: aws iam list-users

Example: aws iam list-users

Explanation: Lists all IAM users in your AWS account.

3) 🔑 #AWSCLI Command: aws iam create-group

Example: aws iam create-group --group-name my-group

Explanation: Creates a new IAM group.

4) 🔒 #AWSCLI Command: aws iam attach-group-policy

Example: aws iam attach-group-policy --group-name my-group --policy-arn arn:aws:iam::aws:policy/AmazonS3FullAccess

Explanation: Attaches an IAM policy to an IAM group.

5) 🔑 #AWSCLI Command: aws iam create-role

Example: aws iam create-role --role-name my-role --assume-role-policy-document file://trust-policy.json

Explanation: Creates a new IAM role with an associated trust policy.

6) 🔄 #AWSCLI Command: aws iam update-assume-role-policy

Example: aws iam update-assume-role-policy --role-name my-role --policy-document file://updated-trust-policy.json

Explanation: Updates the trust policy associated with an IAM role.

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