AWS Classroomnotes 23/Sep/2023

AWS CLI

• AWS can be accessed over
  • Console: This requires username and password (Account Id). This is used from browser by accessing https://console.aws.com
  • Programmatic Access: This requires secret key and access key. This is used by
    • CLI
    • SDK (Boto3)
      
• Every resource created in AWS will have unique ARN (Amazon Resource Name) and Generally aws deals with id’s not names
• AWS the concept of tags where we can tag every resource and query using it.

Setup

• We need iam user and configure
• Follow instructions discussed in the class

Usage

• Syntax

aws <service/ap1> <action> [(<arg1> <value1>) (<arg1> <value1>)]

• Example

aws ec2 describe-instances
aws ec2 delete-vpc --vpc-id <>

• How to use command line (Follow instructions discussed in the class)
  

Basics

Create a dbsubnet group

• command line
• Bash

aws rds create-db-subnet-group \
    --db-subnet-group-name 'fromcli' \
    --db-subnet-group-description 'for learning' \
    --subnet-ids 'subnet-01783eee03a9d43c2' 'subnet-0ec0970e23a9ad932' \
    --tags 'Key=env,Value=dev'

• Powershell

aws rds create-db-subnet-group `
    --db-subnet-group-name 'fromcli'  `
    ....

Delete security group

• Commands

aws ec2 delete-security-group \
    --group-name 'launch-wizard-1'

Get all key pairs

• Command

aws ec2 describe-key-pairs --output yaml
aws ec2 describe-key-pairs --output table
aws ec2 describe-key-pairs --output text
aws ec2 describe-key-pairs