This is a repo containing the presentation I give fairly often at different conferences and to different companies. Feel free to use the numbers in here in any presentations you wish to give, just properly attribute them please. The presentation is licensed under the Creative Commons "Attribution-Noncommercial-ShareAlike" license, version 4.0, that can be found in detail at: http://creativecommons.org/licenses/by-nc-sa/4.0/ If you have any questions about the information in this presentation, please feel free to contact me: Greg Kroah-Hartman greg@kroah.com