Book Image

Linux for System Administrators

By : Viorel Rudareanu, Daniil Baturin
Book Image

Linux for System Administrators

By: Viorel Rudareanu, Daniil Baturin

Overview of this book

Linux system administration is an essential aspect of maintaining and managing Linux servers within an organization. The role of a Linux system administrator is pivotal in ensuring the smooth functioning and security of these servers, making it a critical job function for any company that relies on Linux infrastructure. This book is a comprehensive guide designed to help you build a solid foundation in Linux system administration. It takes you from the fundamentals of Linux to more advanced topics, encompassing key areas such as Linux system installation, managing user accounts and filesystems, networking fundamentals, and Linux security techniques. Additionally, the book delves into the automation of applications and infrastructure using Chef, enabling you to streamline and optimize your operations. For both newcomers getting started with Linux and professionals looking to enhance their skills, this book is an invaluable hands-on guide with a structured approach and concise explanations that make it an effective resource for quickly acquiring and reinforcing Linux system administration skills. With the help of this Linux book, you’ll be able to navigate the world of Linux administration confidently to meet the demands of your role.
Table of Contents (21 chapters)
Part 1: Linux Basics
Part 2: Configuring and Modifying Linux Systems
Part 3: Linux as a Part of a Larger System

What is a filesystem?

A filesystem (or sometimes file system) governs the storage and retrieval of data in computers. Without a filesystem, all the data saved on a computer’s hard drive would be jumbled together, making it impossible to find certain files. Instead, with a filesystem, data is easily isolated and identified by breaking it up into pieces and giving each piece a name. Each collection of data is referred to as a file, a name that originally came from information systems that use paper storage. A filesystem is a name for the organizational framework and logical principles used to handle the names and groups of bits of data.

In fact, there are a variety of filesystems available for Linux; if you’re unsure which one to use, we’ll present a thorough list of the filesystems that Linux supports.

What types of Linux filesystems are there?

Linux has a variety of filesystems to choose from, including the following:

  • ext: The first filesystem...