Skip to Content

What is the difference between Internet gateway and NAT gateway? (5 Facts Explained)

A NAT Gateway in AWS is a Network Address Translation Service that allows AWS resources in private subnet have connections to the internet. An Internet Gateway in AWS is a logically redundant resource that allows communication between your AWS VPC and the internet. Why Do I Need a NAT Gateway? You need an AWS NAT …

Read More about What is the difference between Internet gateway and NAT gateway? (5 Facts Explained)

Can an EC2 instance terminate itself? (Explained)

Terminate your EC2 Instance with the following CLI Command: Example of using the EC2 terminate-instance CLI Command: Can an EC2 Instance Terminate Itself? You can have an EC2 Instance Terminate Itself by following these steps: Start the instance with –instance-initiated-shutdown-behavior terminate. Run shutdown -h now as root. On Ubuntu, you could set this up to happen in 55 …

Read More about Can an EC2 instance terminate itself? (Explained)

How do I Remove a Reserved Instance in AWS?

According to AWS’s publicly facing documentation – Purchases of Reserved Instances are non-refundable. This means when you complete the contract to purchase a Reserved Instance in AWS – you are committed for the length of time in the contract. The length of this contract is in the form of either 1 or 3 years.  How …

Read More about How do I Remove a Reserved Instance in AWS?

How often do EC2 instances fail? (Explained)

AWS provides an SLA for compute resources of 99.99%. That is a guarantee for the physical infrastructure. Customers need to adhere to the AWS Shared responsibility model and best practices – whereby they architect their AWS EC2 instances and other AWS Resources across two or more availability zones within a single Region. This provides Fault …

Read More about How often do EC2 instances fail? (Explained)