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)
1
Part 1: Linux Basics
7
Part 2: Configuring and Modifying Linux Systems
13
Part 3: Linux as a Part of a Larger System

The Linux Filesystem

Files and filesystems are the topics of discussion in this chapter. The Unix ethos of everything is a file carries on in Linux, and while that’s not true 100% of the time, most resources in Linux are actually files.

In this chapter, we will first define several relevant concepts. Then we will investigate Linux’s implementation of the everything is a file concept. We will then cover the specialized filesystems the kernel makes use of to report data about running processes or attached hardware. We will then move on to normal files and filesystems, things you would typically associate with documents, data, and applications. Finally, we will explore standard filesystem operations and provide comparisons with other available alternatives. It is very important to know what limitations has each filesystem type in order for you to take the best decisions.

In this chapter, we will cover the following topics:

  • The types of filesystems available...