Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By : Marko Sluga
Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By: Marko Sluga

Overview of this book

AWS certifications are becoming one of the must have certifications for any IT professional working on an AWS Cloud platform. This book will act as your one stop preparation guide to validate your technical expertise in deployment, management, and operations on the AWS platform. Along with exam specific content this book will also deep dive into real world scenarios and hands-on instructions. This book will revolve around concepts like teaching you to deploy, manage, and operate scalable, highly available, and fault tolerant systems on AWS. You will also learn to migrate an existing on-premises application to AWS. You get hands-on experience in selecting the appropriate AWS service based on compute, data, or security requirements. This book will also get you well versed with estimating AWS usage costs and identifying operational cost control mechanisms. By the end of this book, you will be all prepared to implement and manage resources efficiently on the AWS cloud along with confidently passing the AWS Certified SysOps Administrator – Associate exam.
Table of Contents (26 chapters)

CloudFormation basic elements

In CloudFormation, there are some basic elements that we need to understand before we can proceed with deployments. We always write templates from which we deploy stacks. Once a stack is deployed, we can create a change set and compare this change set against a deployed stack before eventually applying the changes.

Templates

As we have already mentioned, we will be providing a specification document called a Template to the service. A template can be created in a text editor and written either in JSON or YAML. We can also use the AWS CloudFormation Designer or any other What You See Is What You Get (WYSIWYG) design tool that's compatible with AWS CloudFormation. In the template, we define...