Book Image

Real-World SRE

By : Nat Welch
Book Image

Real-World SRE

By: Nat Welch

Overview of this book

Real-World SRE is the go-to survival guide for the software developer in the middle of catastrophic website failure. Site Reliability Engineering (SRE) has emerged on the frontline as businesses strive to maximize uptime. This book is a step-by-step framework to follow when your website is down and the countdown is on to fix it. Nat Welch has battle-hardened experience in reliability engineering at some of the biggest outage-sensitive companies on the internet. Arm yourself with his tried-and-tested methods for monitoring modern web services, setting up alerts, and evaluating your incident response. Real-World SRE goes beyond just reacting to disaster—uncover the tools and strategies needed to safely test and release software, plan for long-term growth, and foresee future bottlenecks. Real-World SRE gives you the capability to set up your own robust plan of action to see you through a company-wide website crisis. The final chapter of Real-World SRE is dedicated to acing SRE interviews, either in getting a first job or a valued promotion.
Table of Contents (13 chapters)
12
Index

Chapter 10. Linux and Cloud Foundations

In Chapter 9, Networking Foundations, we talked about networking fundamentals. If you think of chapter 9 as to how applications talk to each other, in this chapter, we will talk about how applications operate both on servers and as groups in the cloud.

Many people are coming to SRE without much operational experience. In a world with tools like Heroku and Serverless, many developers have not had much experience running servers or even in using Linux or common cloud software. The hope is that after this chapter, any fear of Linux or the cloud will be dissipated or you will at least have a base lexicon to do more research.

Many of the pieces introduced in this chapter will help you with an SRE interview where you need to troubleshoot issues on a Linux machine or design architecture for a larger application. After we close out Linux and cloud fundamentals, we will walk through an example architecture question and how you could possibly answer...