While rolling through my RSS feeds, I found a great presentation by David Quigley titled “Demystifying SELinux”. He makes come good comparisons between discretionary/mandatory access controls and dives into what makes SELinux useful. Basic troubleshooting commands are covered within the presentation as well.

You can find the presentation over on Speaker Deck. I’ve also mirrored a PDF copy here on the site.

UPDATE: If you’re going to OSCON 2013 this year, it appears that David will be presenting this topic during the event.