Amazon Elastic Compute Cloud (Amazon EC2).

• Without AWS EC2 Key Pair, you can still SSH into your EC2
• Amazon Linux AMI — Amazon Linux Amazon Machine Image
• AMI uses yum package installer
• Dont use Reserved Instances
• Can consider Savings Plans
• Not recommend Spot Instances — Because Amazon can recycle your instance at any time
• Security of EC2: Security Group, VPC and Network ACL
• Use Security Group to protect your instances
• Use VPC & Network ACL to protect the network of your instances
• EC2 Autoscaling can replace unhealthy instance
• EC2 Network throttling

EC2 Instance Types

Shopping Guide

Choose Your EC2 Instance Type Wisely on AWS by Percona

Understanding Type and Size

// Example: t3.large, m5.2xlarge

[type].[size]

Possible value of Types

Possible value of Size