June 2025
Beginner to intermediate
1180 pages
37h 48m
English
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30 SELinux and AppArmor
SELinux and AppArmor are kernel extensions that monitor running processes and ensure that they follow certain rules. SELinux is used by default on Fedora and RHEL, AppArmor on Debian, SUSE, and Ubuntu. In various other distributions, the protection systems can be optionally activated.
This chapter provides an introduction to the operation and configuration of SELinux and AppArmor. It also describes how you can identify rule violations and how to respond to them.
30.1 SELinux
On Linux, the traditional system for managing access rights normally applies: each program runs in a user account. This account determines which (device) files the program is allowed to access. You will certainly remember that in Chapter 9 I described ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.