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IBM Openwashing

An Introduction to SELinux

Way back in kernel 2.6, a new security system was introduced to provide a mechanism for supporting access control security policies. This system was Security Enhanced Linux (SELinux) and was introduced by the National Security Administration (NSA) to incorporate a strong Mandatory Access Control architecture into the subsystems of the Linux kernel. If you’ve spent your entire Linux career either disabling or ignoring SELinux, this article is dedicated to you — an introduction to the system that lives “under the hood” of your Linux desktop or server to limit privilege or even eliminate the possibility of damage should programs or daemons become compromised. Read more

Leftovers: BSD

  • FreeBSD Ended 2015 With A Lot Of Open-Source Progress
    The FreeBSD project has issued their quarterly status report for Q4'2015 to highlight all the progress they made in ending out 2015.
  • OpenBSD on a MacBookPro8,2 with Intel GPU
    Some MacBooks have two graphics cards, the specific one this post is about is a MacBookPro8,2 (15-inch, Late2011) with an Intel HD Graphics 3000 and an AMD Radeon HD 6750M. If you boot any OS into legacy BIOS mode (only option supported by – at this time – most recent release version 5.8 of OpenBSD), it is always the Radeon card that gets activated (except for Windows OS, where Bootcamp/drivers should handle the automatic switching just like in Mac OS). You need an external USB WLAN card (or something else, if you want network access), because the internal one is not supported by OpenBSD.

Microsoft/Windows 10 GPL violations?