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diff -u: What's New in Kernel Development

Linux Journal - Tue, 10/13/2015 - 12:25

Over time, memory can become more and more fragmented on a system, making it difficult to find contiguous blocks of RAM to satisfy ongoing allocation requests. more>>

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Hash Tables—Theory and Practice

Linux Journal - Mon, 10/12/2015 - 15:42

The first time I heard about hash tables was after taking a compilers course during my BSc. The truth is, I was not able to understand and appreciate their usefulness fully back then. Now that I know more about hash tables, I decided to write about them so others will see their importance as well. more>>

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Science on Android

Linux Journal - Fri, 10/09/2015 - 13:57

I have covered a lot of different scientific packages that are available under Linux in this space, but the focus has been on Linux running on desktop machines. This has been rather short-sighted, however, as lots of other platforms have Linux available and shouldn't be neglected. So in this article, I start looking at the type of science you can do on the Android platform. more>>

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A First Look at IBM's New Linux Servers

Linux Journal - Thu, 10/08/2015 - 07:00

Today, IBM announces the latest of its Power Systems line of high-end servers. These are the Power Systems S812LC, the Power Systems S822LC (for commercial computing) and the high-performance Power Systems S822LC. All of them are custom-built for Linux. more>>

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The Ubuntu Conspiracy

Linux Journal - Wed, 10/07/2015 - 12:27

A recent rumor has sparked waves of fear and outrage throughout the Linux community. The word is that Microsoft is in secret negotiations to purchase Canonical, the Ubuntu company. more>>

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Vigilante Malware

Linux Journal - Tue, 10/06/2015 - 12:35

Vigilante. The word itself conjures up images of a man in a mask, leaping across rooftops as he chases wrongdoers, dancing with the devil in the pale moonlight. In films and on TV, the vigilante is usually the character we support. But would you welcome a vigilante into your home in real life? more>>

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Non-Linux FOSS: Code Your Way To Victory!

Linux Journal - Mon, 10/05/2015 - 14:30

One of my favorite things about grade school was when the teacher would review for a test by playing Jeopardy. I'm pretty old, so my version of classroom Jeopardy was done on a chalkboard with the teacher reading answers from index cards, but the new computer-based versions I see in schools are at least as cool. more>>

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Dealing with Boundary Issues

Linux Journal - Fri, 10/02/2015 - 12:33

The other evening a bunch of us were sitting in a friend's living room while a series of photos scrolled across her TV. The photos were a screen saver served up by her new Apple TV box. Some of the pictures were of people, birds, flowers, cats and other typical stuff. more>>

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October 2015 Issue of Linux Journal: Raspberry Pi

Linux Journal - Thu, 10/01/2015 - 12:03
A Tasty Slice of Awesome

I love the flavor of raspberries, but quite honestly, the seeds gross me out. more>>

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October 2015 Video Preview

Linux Journal - Thu, 10/01/2015 - 09:30
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System Status as SMS Text Messages

Linux Journal - Tue, 09/29/2015 - 15:41

If you're paying really close attention, you'll remember that in my last article, I was exploring the rudiments of a script that would accept a list of words as input and create a word search grid, suitable for printing. more>>

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Libreboot on an X60, Part I: the Setup

Linux Journal - Mon, 09/28/2015 - 13:01

Recently I wrote a review for the Linux Journal Web site on the Purism Librem 15 laptop. The goal of this laptop is to provide a piece of modern hardware that can run 100% free software not just for the OS, but also all device drivers and firmware up to and including the BIOS. more>>

Categories: Linux News

New Products

Linux Journal - Fri, 09/25/2015 - 12:48
Please send information about releases of Linux-related products to or New Products c/o Linux Journal, PO Box 980985, Houston, TX 77098. Submissions are edited for length and content.
Categories: Linux News

Vagrant Simplified

Linux Journal - Fri, 09/25/2015 - 12:30

I admit it, some tools confuse me. I know they must be amazing, because programs don't get popular by being dumb (well, reality TV, but that's another story). I have the same sort of confusion with Vagrant that I have with Wine, Docker, Chef and countless other amazing tools people constantly rave about. So in this article, I'm going to break down Vagrant into its simplest form. more>>

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Bluetooth Hacks

Linux Journal - Wed, 09/23/2015 - 14:52

Connect to the Internet, work with your files, lock your workspace, listen to music and do so much more with the help of Bluetooth technology. more>>

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Disney's Linux Light Bulbs (Not a "Luxo Jr." Reboot)

Linux Journal - Tue, 09/22/2015 - 14:34
Last week, Disney announced its latest project: Linux Light Bulbs. Although it sounds like an adorable animated feature starring our favorite OS, it's actually an exciting new networking technology. Of course, Linux plays a central role. more>>
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Linux and the Internet of Things

Linux Journal - Mon, 09/21/2015 - 13:45

I wake up in the middle of the night, mouth parched and vision blurry, and fumble around to find my iPhone. I press my thumb to the fingerprint scanner, and in the dim blue light, just out of instinct, I squint at the screen, find the right app, open it, and check the ambient temperature and air quality indoors. more>>

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iTVMediaCenter: Scam or Brilliance?

Linux Journal - Thu, 09/17/2015 - 16:59

The folks at iTVMediaCenter recently contacted me about their one-stop-shop solution for cord-cutters. For $14.99, they sell a program that consolidates tons of on-line media into a central location so you can watch it on demand. The problem is, it looks like the application does little more than open the same Web sites you can open with a browser. more>>

Categories: Linux News

Finite-Element Methods for PDEs

Linux Journal - Wed, 09/16/2015 - 14:02

One of the common classes of equations that is encountered in several branches of science is partial differential equations. So in this article, I look at a software package called FreeFem++ that is designed to help you calculate these partial differential equations. more>>

Categories: Linux News

Debian Project Aims to Keep the CIA Off Our Computers

Linux Journal - Tue, 09/15/2015 - 11:13
Lunar, one of the lead developers on the Debian ReproducibleBuilds project, has recently outlined a serious security hole that could impact all open-source software, including most Linux distributions. It potentially exposes users to unwanted scrutiny from third parties, including security agencies. His project is designed to close this hole.


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