You're reading from Mastering Linux Administration A comprehensive guide to installing, configuring, and maintaining Linux systems in the modern data center

Product type Paperback

Published in Jun 2021

Publisher Packt

ISBN-13 9781789954272

Length 772 pages

Edition 1st Edition

Tools

Linux

Concepts

System Administration

Authors (2):

Alexandru Calcatinge

Julian Balog

View More author details

Table of Contents (20) Chapters

Preface

1. Section 1: Linux Basic Administration

2. Chapter 1: Installing Linux FREE CHAPTER

3. Chapter 2: The Linux Filesystem

4. Chapter 3: Linux Software Management

5. Chapter 4: Managing Users and Groups

6. Chapter 5: Working with Processes, Daemons, and Signals

7. Section 2: Advanced Linux Server Administration

8. Chapter 6: Working with Disks and Filesystems

9. Chapter 7: Networking with Linux

10. Chapter 8: Configuring Linux Servers

11. Chapter 9: Securing Linux

12. Chapter 10: Disaster Recovery, Diagnostics, and Troubleshooting

13. Section 3: Cloud Administration

14. Chapter 11: Working with Containers and Virtual Machines

15. Chapter 12: Cloud Computing Essentials

16. Chapter 13: Deploying to the Cloud with AWS and Azure

17. Chapter 14: Deploying Applications with Kubernetes

18. Chapter 15: Automating Workflows with Ansible

19. Other Books You May Enjoy

Introducing AppArmor

AppArmor is an LSM based on the MAC model that confines applications to a limited set of resources. AppArmor uses an ACM based on security profiles that have been loaded into the kernel. Each profile contains a collection of rules for accessing various system resources. AppArmor can be configured to either enforce access control or just complain about access control violations.

AppArmor proactively protects applications and operating system resources from internal and external threats, including zero-day attacks, by preventing both known and unknown vulnerabilities from being exploited.

AppArmor has been built into the mainline Linux kernel since version 2.6.36 and is currently shipped with Ubuntu, Debian, OpenSUSE, and similar distributions.

In the following sections. we'll use an Ubuntu 20.04 environment to showcase a few practical examples with AppArmor. Most of the related command-line utilities will work the same on any platform with AppArmor...