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Modern System Administration by Jennifer Davis

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Introduction

While the underlying concepts like managing capacity and security have remained the same, system administration has changed a lot over the last couple of decades. Early administration required in-depth knowledge of services running on individual systems. Books on system administration focused on specific services on the systems from printing to DNS. The first conference dedicated to system administration, LISA, described large scale as sites for over 100 users. Now, operations engineers are faced with an ever-growing list of technologies and third-party services to learn about and leverage as they build and administer systems and services that have thousands even millions of users. Software development is moving fast, and sysadmins need to move more quickly to accommodate and deliver value to our organizations.

I wrote this book for all the experienced system administrators, IT professionals, support engineers, and other operation engineers who are looking for a map to understanding the landscape of modern operation tools, technologies and practices. This book may also be useful to developers, testers, and who want to level up their operability skills.

In this book, I examine the modernization of system administration and how collaboration, automation, and system evolution change the fundamentals of operations. This book is not a “how-to” reference, as there are many quality reference materials to dig into specific topics. Where relevant, I recommend materials to ...

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