Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By : Adam Book
Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By: Adam Book

Overview of this book

The AWS Certified DevOps Engineer certification is one of the highest AWS credentials, vastly recognized in cloud computing or software development industries. This book is an extensive guide to helping you strengthen your DevOps skills as you work with your AWS workloads on a day-to-day basis. You'll begin by learning how to create and deploy a workload using the AWS code suite of tools, and then move on to adding monitoring and fault tolerance to your workload. You'll explore enterprise scenarios that'll help you to understand various AWS tools and services. This book is packed with detailed explanations of essential concepts to help you get to grips with the domains needed to pass the DevOps professional exam. As you advance, you'll delve into AWS with the help of hands-on examples and practice questions to gain a holistic understanding of the services covered in the AWS DevOps professional exam. Throughout the book, you'll find real-world scenarios that you can easily incorporate in your daily activities when working with AWS, making you a valuable asset for any organization. By the end of this AWS certification book, you'll have gained the knowledge needed to pass the AWS Certified DevOps Engineer exam, and be able to implement different techniques for delivering each service in real-world scenarios.
Table of Contents (31 chapters)
1
Section 1: Establishing the Fundamentals
7
Section 2: Developing, Deploying, and Using Infrastructure as Code
16
Section 3: Monitoring and Logging Your Environment and Workloads
21
Section 4: Enabling Highly Available Workloads, Fault Tolerance, and Implementing Standards and Policies
27
Section 5: Exam Tips and Tricks

Enabling Elastic Load Balancer logs

The Elastic Load Balancing service lets you capture more data about your environment. This can help with troubleshooting, especially regarding latency. Elastic Load Balancer access logs can also let you see the path that a user or service took from an originating address to the destination service. Sometimes, this information is not captured on application logs since the originating address that is captured is the Elastic Load Balancer address. The Elastic Load Balancer access logs include the following information:

  • The client's IP address
  • Request paths taken
  • The time and date that the request was received
  • Server responses (in numerical format)

We looked at how load balancing helps spread the load between both instances and services when we examined in-depth services such as Elastic Beanstalk and OpsWorks. At this point, we should also understand that Elastic Load Balancing can be used to attach multiple instances...