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Recovering Linux after catastrophic deletion

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GNU
Linux
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A recurring Linux joke / horror story is running the command rm –rf /. Imagine if it actually happened? What would or could you do to recover?

Linux specialist Kyle Kelley recently decided to see what happened if he launched a new Linux server and ran rm –rf / as root.

This command is the remove (delete) command, with the flags –rf indicating to run recursively down all folders and subfolders, and to force deletion even if the file is ordinarily read-only. The / indicates the command is to run from the top-most root directory in Linux.

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How to test-drive KDE’s Plasma 5 in Kubuntu

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KDE
HowTos

Before you follow my instructions to install Plasma 5 on your system, keep in mind that Plasma 5 is under heavy development and the stable release has not been made. Since it’s in development stage, there are (as expected) issues. Some of the issue you should be aware of include the missing wallpaper, icons may stop working now and then and Plasma Network Manager is missing as well.

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today's howtos

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today's howtos

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today's howtos

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today's howtos

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Build your own distro part two

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GNU
Linux
HowTos

Canonical provides a minimal Ubuntu install CD. It’s smaller than the regular installation ISO and it installs a minimal version of the distribution. At its most basic, it gives the user a command line, network connectivity and not much else. From this bare-bones beginning, it’s possible to selectively add components while leaving out most of the cruft that tends to come with a standard distribution.

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today's howtos

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Android drone tracks you by computer vision

Kickstarter is showing an $899, Android-based “Mind4″ follow-me drone that tracks you entirely by computer vision, and interprets full-body gestures. Like fellow Kickstarter drone projects AirDog and Hexo+, as well as 3D Robotics’s Iris+, AirMind’s Mind4 quadcopter is designed as a “follow-me” drone for recording videos of a moving target. Unlike these products, however, which don’t run Android or Linux, the Mind4 runs Android on a quad-core, 2GHz ARM processor, giving it the brainpower to run advanced vision recognition algorithms. As a result, Mind4 can track you solely via computer vision via its VAPS (vision augmented piloting system) engine rather than depending on less reliable GPS or tricky manual controls. Read more

ArrayFire Accelerated Compute Library Open-Sourced

The ArrayFire GPU compute library that allows for simplified GPU computing via targeting its own optimized library and API for GPGPU kernel generation than writing your own CUDA/OpenCL kernels, has been open-sourced. ArrayFire is advertised as being faster than other acceleration libraries like Armadillo, Intel Math Kernel Library, etc. ArrayFire supports OpenCL GPUs -- and hardware like the Intel Xeon Phi MIC -- as well as NVIDIA GPUs via CUDA. Last but not least there's also a C programming back-end. Read more

Wormhole in Interstellar Movie Designed with a Linux OS – Gallery

The Interstellar movie has been released not long ago and it was an instant success, despite some of the criticism that has been expressed by a number of physicists. To make thinks even more interesting, at least for Linux users, it looks like the production team used Linux to built the black hole in the movie. Read more

Pear OS Linux Concept Revived as Pearl Linux 1.0 – Screenshot Tour

Pear OS Linux was a very successful Linux distribution based on Ubuntu that wanted to provide an experience similar to Mac OS X. That operating system is gone now, but Pearl Linux wants to replace it. Pear OS Linux managed to have quite an impact on the community, despite the fact that it was offering an almost identical experience to the Mac OS X desktop. Read more