SELinux is a product of government and industry, as a set of patches into the Linux kernel as of 2.6. and can be added to any version of existing Linux versions.
SELinux provides security features that are extremely useful for locking down machines, particularly servers.
Install selinux in (K)ubuntu:
1.apt-get install selinux
2.Reboot
The SELinux administrator in Fedora 8
Look:
Anatomy of Security-Enhanced Linux (SELinux)
&
Security-Enhanced Linux - Wikipedia, the free encyclopedia
Some of the top computer-scientists and
programmers in the world worked on SELinux ...
... so they may know
something about Linux that most don't.
What is that knowledge?
Linux is the most secure operating system (OS) in World...
Does NSA/US government use Linux as their main operating system??
NSA collaborate with Linux...
NSA really want to help EVERYONE LINUX users with security?
We will never not know for sure.
Your tax dollars are paying for SELinux package!
P.S
The SELinux package is OPTIONAL, you don't have to install it.