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Slow System? iotop Is Your Friend

Back in 2010, Kyle Rankin did an incredible series on Linux Troubleshooting. In Part 1, he talked about troubleshooting a system struggling with a high load. more>>

diff -u: What's New in Kernel Development

David Drysdale wanted to add Capsicum security features to Linux after he noticed that FreeBSD already had Capsicum support. Capsicum defines fine-grained security privileges, not unlike filesystem capabilities. But as David discovered, Capsicum also has some controversy surrounding it. more>>

Android Candy: Disney Everywhere, Even Android!

As a father of three girls, I have piles and piles of Disney DVDs and Blu-rays. I occasionally look at the "Digital Copy" information and roll my eyes, because it requires some odd Windows DRM software or some other convoluted watching method that usually isn't possible or even interesting for me. more>>

Hats Off to Mozilla

Firefox turned ten years old last November and celebrated the occasion with a new version (33.1) that featured a much-welcomed developer edition. more>>

January 2015 Issue of Linux Journal: Security

Security: a Method, Not a Goal

The Security issue of Linux Journal always makes me feel a little guilty. It turns out that although I have a fairly wide set of technology skills, I'm not the person you want in charge of securing your network or your systems. By default, Linux is designed with a moderate amount of security in mind. For that, I am incredibly grateful. more>>

Purism Librem 15

I've been a fan of Free Software for quite some time, but for the most part I've found my opinions lean in the more pragmatic Bruce Perens Open Source camp. I value free software ideals but also accept other Open Source licenses that may not meet the strict definition of Free Software. I also don't refer to it as GNU/Linux. more>>

2014 Book Roundup

As I write these words, the end of the year is approaching, and with it, so is the time for my annual book roundup. As in past years, in this article, I describe books that were new to me during the past 12 months, which means that I might well mention some new ones or ignore others that simply didn't come to my attention. more>>

New Products

New Products for December 2014.

Android Candy: Google Keep

I love Evernote. I pay for a premium membership, and to be honest, I don't think I even use the premium features. I just love Evernote so much, I want to support the company. But in the spirit of fair comparison, I forced myself to try Google Keep. more>>

Handling the workloads of the Future

The history of computing can be traced by the popular buzzwords of the day. In fact, at some point we should run a contest where everyone submits their 5 all-time favorite computer industry buzzwords. There have been dumb terminals, smart terminals, client server, thin client, peer-to-peer, virtualization, containers, cloud, paas, saas, iaas…the list, and the acronyms stretch to the horizon. more>>

Raspi-Sump

In June 2013, we had the unfortunate luck of a basement flood, caused by a tripped electrical breaker connected to our sump pump. There are so many things that can go wrong with a sump pump. You always are on guard for power outages, blown breakers, sump pump failures, clogged pipes and all manner of issues that can arise, which ultimately can end with a flooded basement. more>>

diff -u: What's New in Kernel Development

Containers are very tricky to implement. Trying to isolate sets of resources from each other completely, so that they resemble a discrete system, and doing it in a secure way, has to be addressed on a feature-by-feature basis, with many caveats and uncertainties. more>>

Non-Linux FOSS: Don't Type All Those Words!

We've mentioned Autokey as a great tool for text replacement in real time on Linux. Thankfully, there's an option for Windows users that actually is even more powerful than Autokey! AutoHotkey is a similarly named application that runs strictly under Windows. more>>

Computing without a Computer

I've covered a lot of various pieces of software that are designed to help you do scientific calculations of one type or another, but I have neglected a whole class of computational tools that is rarely used anymore. Before there was the electronic computer, computations had to be made by hand, so they were error-prone. more>>

Autokey: Shorthand for Typists

For years I avoided installing keyboard shortcut tools on my computers. I thought dog-gonnit, if something needed to be typed out, I'd type every letter myself. Recently I capitulated, however, and I must say, going back seems unlikely. If you've never tried a text-replacement app, I highly recommend doing so. more>>

How Can We Get Business to Care about Freedom, Openness and Interoperability?

They use our stuff. Why not our values too?

At this point in history, arguments for using Linux, FOSS (free and open-source software) and the Internet make themselves. Yet the virtues behind those things—freedom, openness, compatibility, interoperability, substitutability—still tend to be ignored by commercial builders of new stuff. more>>

Readers' Choice Awards 2014

It's time for another Readers' Choice issue of Linux Journal! The format last year was well received, so we've followed suit making your voices heard loud again. I couldn't help but add some commentary in a few places, but for the most part, we just reported results. Please enjoy this year's Readers' Choice Awards! more>>

December 2014 Issue of Linux Journal: Readers' Choice

The Best of the Best

I love the Readers' Choice issue. I jokingly say it's because all the work is done by the community, but honestly, it's because I love hearing the feedback from everyone. Year after year, I inevitably learn about a new technology or application, and I'm usually surprised by at least one of the voting results. more>>

Coolest Things You've Done with Linux

In our 2014 Readers' Choice Awards, we asked readers to tell us the coolest thing they've done with Linux. There were so many great responses, but we didn't have room for all of them in the magazine, so we're listing more of the best ones here. Enjoy!

Building my procmail pre-spam spam filter back in mid-late 90s.

450-node compute cluster. more>>

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