December 2016
Intermediate to advanced
300 pages
6h 36m
English
Content preview from SELinux System Administration - Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Summary
We saw how to toggle SELinux policy booleans using tools such as setsebool and how to get more information about booleans, both from their description (using the semanage boolean command) and the rules they influence (using sesearch).
Next, we saw how custom SELinux policy modules can be loaded and removed and which different types of development formats can be used for building custom SELinux policies. We created our own policy modules to enhance the SELinux policy using various examples such as user domain definitions, web application types, and SECMARK types.
We also saw how existing policies can be replaced rather than just augmented with additional rules. Replacing policies is, after all, the only way that a policy can be reduced (less ...
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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.