AWS Classroomnotes 30/Mar/2023

Creating ec2 instance using Cloudformation

  • We will be installing apache server in ubuntu 22.04
  • Things to be created
    • Security group with 22 and 80 port opened to all. Refer Here for the changes done
  • Things to be figured out
    • AMI id of ubuntu22.04:
    • key pair to be passed
    • instance type to passed
    • subnet in which ec2 instance has to be created
  • Lets create ec2 based on Refer Here cloudformation spec
  • Refer Here for the changes done.
  • This created an ec2 instance but it didn’t had public ip address
  • Make necessary changes in the template to associate public ip address Refer Here for the changes
  • Lets try logging into machine.
  • The ssh connection is timed out the reason for that is vpc is private.
  • To give internet connectivity to vpc
    • create and attach internet gateway
    • create a route table with route to internet gateway for anywhere (
    • assoicate this route table to web1 and web2 subnets
  • Refer Here for the changes done
  • Refer Here for functions

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devops & cloud enthusiastic learner