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)

IAM best practices

In this chapter, we have covered some of the best practices that apply to AWS. At this point, I need to again stress the importance of securing your account and making sure that the root user is not being used for day-to-day tasks. The root credentials should be locked away in a secure place so that they are retrievable only in case of emergencies.

As a best practice, we want to create individual users so that these users can be uniquely identified when performing tasks within AWS and assign permissions to the users via group membership. Assigning permissions directly to users can lead to inconsistencies in access levels for users performing similar tasks. By adding permissions to groups, we can simplify the way permissions are delivered to large numbers of AWS users and apply permissions based on job role or service function, rather than configuring permissions...