Book Image

Linux Administration Best Practices

By : Scott Alan Miller
3.3 (3)
Book Image

Linux Administration Best Practices

3.3 (3)
By: Scott Alan Miller

Overview of this book

Linux is a well-known, open source Unix-family operating system that is the most widely used OS today. Linux looks set for a bright future for decades to come, but system administration is rarely studied beyond learning rote tasks or following vendor guidelines. To truly excel at Linux administration, you need to understand how these systems work and learn to make strategic decisions regarding them. Linux Administration Best Practices helps you to explore best practices for efficiently administering Linux systems and servers. This Linux book covers a wide variety of topics from installation and deployment through to managing permissions, with each topic beginning with an overview of the key concepts followed by practical examples of best practices and solutions. You'll find out how to approach system administration, Linux, and IT in general, put technology into proper business context, and rethink your approach to technical decision making. Finally, the book concludes by helping you to understand best practices for troubleshooting Linux systems and servers that'll enable you to grow in your career as well as in any aspect of IT and business. By the end of this Linux administration book, you'll have gained the knowledge needed to take your Linux administration skills to the next level.
Table of Contents (16 chapters)
1
Section 1: Understanding the Role of Linux System Administrator
4
Section 2: Best Practices for Linux Technologies
9
Section 3: Approaches to Effective System Administration

Backups in a DevOps world

In earlier sections of this book, we have talked about modern concepts impacting the world of system administration such as DevOps and infrastructure as code. You may be wondering if these modern concepts have a potential impact on the worlds of backups and disaster recovery. Good question! And if the section title has not given away the answer, I will clue you in now: yes, yes they do!

Traditionally we think of restoring data as either the very old fashioned way of just restoring individual files, or the more modern (think last two decades) way of restoring entire systems including the operating system and all of the files that go with it. We are so accustomed to thinking of restoring systems in this way that it is often very hard to think about the problem in any other context.

In the ultra-modern DevOps style world where systems are built via automation and defined in code or configuration files we have to start to think about nearly everything in...