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WRITE YOUR FIRST LINUX KERNEL MODULE

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Linux
HowTos

Probably the easiest way to start kernel programming is to write a module – a piece of code that can be dynamically loaded into the kernel and removed from it. There are limits to what modules can do – for example, they can’t add or remove fields to common data structures like process descriptors. But in all other ways they are full-fledged kernel-level code, and they can always be compiled into the kernel (thus removing all the restrictions) if needed. It is fully possible to develop and compile a module outside the Linux source tree (this is unsurprisingly called an out-of-tree build), which is very convenient if you just want to play a bit and do not wish to submit your changes for inclusion into the mainline kernel.

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Create a game with Scratch on Raspberry Pi

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GNU
Linux
Gaming
HowTos

While Scratch may seem like a very simplistic programming language that’s just for kids, you’d be wrong to overlook it as an excellent first step into coding for all age levels. One aspect of learning to code is understanding the underlying logic that makes up all programs; comparing two systems, learning to work with loops and general decision-making within the code.

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today's leftovers

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Quick Look: Unity for Arch

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Development
News
OSS
Reviews
Ubuntu
HowTos

A precursory glance at the above screenshot might give the impression that this is yet another Ubuntu Linux review. However, a closer look at the logo in the bottom left corner reveals that nothing could be farther from the truth. Today we’ll be taking a quick look at the Unity desktop environment on Arch Linux.

today's howtos

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V is for Vivid

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NVIDIA's NVPTX Support For GCC Is Close To Being Merged

The NVPTX back-end code for GCC that's going to allow OpenACC 2.0 offloading support for NVIDIA GPUs with GCC is close to materializing within the mainline code-base. For the past year Mentor Graphics / Code Sourcery has been working on OpenACC 2.0 with GPU offloading as a big addition to the GNU Compiler Collection through their work with NVIDIA Corp. The offloading infrastructure has been worked on for a while and the code that soon looks like it will land is the NVPTX support. Read more

The Future of the Internet - 20 Years Ago

Netscape Navigator was released 20 years ago today. Thank you to everyone who supported us at Netscape & built the Web with us then and now! That was posted by a certain Marc Andreessen. You probably know him as a successful venture capitalist, but before that, he was one of the people who helped popularise the Web. He did that by creating the Mosaic browser back in 1993 - first for Unix, and later for the Apple Macintosh and Windows (version 3.1). Mosaic was written at the University of Illinois, and was freely available for non-commercial use. But once the appeal of a graphical Web browser became evident, it was natural for people to start to think about turning it into a business. Read more