AWS Classroom notes 12/Nov/2023

AWS EC2

• Refer Here for official docs
• EC2 (Elastic Compute Cloud) is an AWS Service to manage virtual machines
• AWS supports
  • Linux
  • Windows
  • mac
  • BSD
• Components involved in EC2
  • AMI (Amazon Machine Image)
  • Instance type
  • EBS (Elastic Block Storage)
  • VPC
  • Security Group
    
• Rough comparision to laptop
  • AMI ==> OS
  • Instance type ==> CPU/RAM configuration/specification
  • EBS ==> Disk
  • VPC ==> Network to which you connect your laptop
  • Security Group ==> Network Firewall
    
• AWS EC2 supports 2 types of disks
  • EBS
    • Non Ephemeral Storage: Data will remain even after ec2 instances are deleted.
  • Instance Storage:
    • Ephemeral storage: Temporary storage and contents will be removed once the ec2 instance is shutdown
• Amazon Machine Image: Amazon Machine Image is a snapshot of disk. There are 3 types of AMI’s
  • OS images
  • Market place
  • Custom AMIs
• Disk Mounting
  
• AWS EBS is equivalent to your physical disk on laptop