AWS Classroom notes 12/Nov/2023


  • 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

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