Linux Security Basics and Beyond: Unit 1

Overview

Designed for both beginners and seasoned IT professionals, this course delves into the critical aspects of user security on Linux systems. Through a series of engaging lessons, you'll explore foundational concepts such as user authentication, password management, and the principle of least privilege. Gain hands-on experience with real-world scenarios, including logging in as typical and enterprise users, securing systems with SSH, and managing user privileges with su, sudo, sudoer commands. By the end of this course, you'll be equipped with the skills to effectively safeguard Linux environments, ensuring robust security for both individual and enterprise systems.

Syllabus

Linux User Security

This module is about securing the user, one of the most important aspects of Linux security. It covers basic user security, including theory concepts and how to find out information about users, as well as passwords and the various ways to secure them. You will see demos of how to authenticate to Linux as a Typical user and Enterprise user, and by password and USB key, and learn about the concept of the principle of least privilege. Finally, you will learn about su, sudo, and sudoers and the differences between them.