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

Security Guidelines and Best Practices

In the modern world, where almost all computers are connected to the internet and online applications play an increasingly larger role in all aspects of our lives, information security is also becoming more and more important. When information stored in digital form becomes more valuable and malicious actors constantly devise new attacks, every system administrator must make a conscious effort to keep their machines secure.

Luckily, following security guidelines and best practices can prevent most attacks and limit the impact of successful attacks if they occur.

In this chapter, we will learn about the following:

  • Information security components and types of breaches
  • Common types of attacks and threats
  • Attack vectors and security vulnerabilities
  • Ways to keep your system secure and stable