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


Managing users and permissions is something that will be required of you very frequently in sectors related to Linux administration, such as system administration and network security. This is something that will become embedded in your mental toolkit as new users join your organization while others depart. However, even if you are the only person who uses your servers, you will still need to manage permissions. This is due to the fact that processes are unable to run properly if they are denied access to the resources that they require in order to do their tasks.

In this chapter, we dove deep into the process of managing users, groups, and permissions and covered a lot of ground. We proceeded through the process of creating new users, removing existing users, assigning rights, and managing administrative access with the sudo command. Put these ideas into practice on your own server.

In the next chapter, we will talk about software installation and package repositories...