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HowTos

An Introduction to SELinux

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Linux
HowTos

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.

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How To Set Up The Raspberry PI Zero

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HowTos

This guide will show you how to set up the Raspberry PI Zero. The Raspberry PI Zero is an amazing little single card computer which retails for about the same price as a couple of pints of beer.

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HowTos

Hands on with Debian GNU/Linux 8.3

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GNU
Linux
Debian
HowTos

The latest point-release update of Debian GNU/Linux (8.3) came out last week, so I decided to take this opportunity to review what distribution media are available, and how/where they can/can't be installed.

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Three nginx Vulnerabilities Closed in Ubuntu OSes

Canonical published details in a security notice regarding a few nginx vulnerabilities that have been identified in Ubuntu 15.10, Ubuntu 14.04 LTS, and Ubuntu 12.04 LTS operating systems. Read more

Rackspace Debuts Red Hat OpenStack For Private Clouds

Rackspace may have put OpenStack on the map, but Thursday it introduced to its private cloud portfolio another vendor's version of the open-source technology. The managed cloud company out of San Antonio is making Red Hat Enterprise Linux OpenStack Platform available to customers and partners deploying private clouds either in Rackspace data centers or on their own premises, according to Bryan Thompson, senior director of product management for Rackspace's OpenStack practice. Read more

ST Releases Free Linux IDE for 32-Bit MCUs

The 32-bit microcontroller world is starting to open up to world Linux. This week, leading ARM Cortex-M vendor STMicroelectronics (ST) released a free Linux desktop version of its development software for its line of STM32 microcontroller units (MCUs). The tools include ST’s STM32CubeMX configurator and initialization tool, as well as its System Workbench for STM32 (SW4STM32), an Eclipse-based IDE created by Ac6 Tools. SW4STM32 is supported with toolchain, forums, blogs, and technical support by the openSTM32.org development community. Read more

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