EC2 in AWS

EC2 stands for the elastic computing cloud

it mainly consist capability of the

Renting Virtual Machines(EC2)

Stroing data on the virtual devices(EBS)

Distributing load across the machines(ELB)

scaling the service using auto scaling group(ASG)

EC2 Sizing & Configuration

Security Groups

Never add access key and other credentials on the ec2 instance always attach role to the instances