Account Security in Linux

In this lesson, you'll learn about account security in Linux including pluggable authentication modules (PAM), password security, account access controls, and account types.

Learning Objectives

• Learn about PAM and how to configure pluggable authentication modules
• Understand the different types of accounts you'll find on a Linux system and the special precautions you need to take with each account type
• Learn how to enforce good password security practices on your Linux systems
• Learn how to make an account's password expire, how to expire an account itself, and how to lock and unlock accounts
• Understand how to monitor log files and use intrusion detection systems
• Learn about multi-factor authentication and how it can be implemented in Linux

Intended Audience

This lesson is intended for anyone who wants to understand how to secure their Linux systems.

Prerequisites

To get the most out of this lesson, you should already have a good working knowledge of Linux. If you want to brush up on your Linux skills, consider taking our Learn Linux in 5 Days course first.