Tips for taming SELinux
There is a lot of (mostly uninformed) buzz around SELinux (Security Enhanced Linux); it is touted as doing all kinds of wonderful things that it probably doesn't do. It's not a good idea to leap into implementing a complex security application like SELinux without understanding what it's for and how it works, so we're going to start with the basics. Then we'll look at how to use it, and actually understand what we're doing.
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