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
In this chapter, we learned how file contexts are stored as extended attributes on the file system and how we can manipulate the contexts of files and other file system resources. Next, we found out where SELinux keeps its definitions on what contexts are to be assigned to which files.
We also learned to work with the semanage tool to manipulate this information and worked with a few tools that use this information to enforce contexts on resources.
On the process level, we got our first taste of SELinux policies, identifying when a process is launched inside a certain SELinux domain. With it, we covered the sesearch and seinfo applications to query the SELinux policy. Finally, we looked at some of Linux's security implementations that limit ...
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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.