The Latest

Lucidchart

I am a visual learner. When I try to teach something, I naturally like to use visual examples. That usually involves me working for hours to create flowcharts in Google Docs using the drawing program. Yes, it works, but it's a very cumbersome way to create a flowchart. Thankfully, I recently discovered Lucidchart. more>>

Non-Linux FOSS: AutoHotkey

Text expansion and hotkey automation are the sort of things you don't realize you need until you try them. Those of you who ever have played with system settings in order to change the function of a keystroke on you system understand the value of custom hotkeys. more>>

diff -u: What's New in Kernel Development

Sometimes a new piece of code turns out to be more useful than its author suspected. Alejandra Morales recently came out with the Cryogenic Project as part of his Master's thesis, supervised by Christian Grothoff. The idea was to reduce energy consumption by scheduling input/output operations in batches. more>>

One Charger to Rule Them All

If you're anything like me, your nightstand is full of electronic devices that need to be charged regularly. Every night I have:

Nexus 7 tablet.

Cell phone.

Kindle Paperwhite.

iPad Air.

Fitbit. more>>

Android Candy: Quit Thumbing Your Passwords!

I use my phone more often to log in to on-line accounts than I use a computer. I can assure you it's not because typing passwords on a tiny keyboard is fun. For most of us, we just have instant access to our phones at any given time during the day. more>>

Stuff That Matters

I'm writing this in a hotel room entered through two doors. The hall door is the normal kind: you stick a card in a slot, a light turns green, and the door unlocks. The inner one is three inches thick, has no lock and serves a single purpose: protection from an explosion. more>>

September 2014 Issue of Linux Journal: HOW-TOs

How'd You Do That?

Open-source advocates tend to make for rotten magicians. more>>

Considering Legacy UNIX/Linux Issues

Gah, so frustrating! Ten years ago I wrote a rather popular book called Wicked Cool Shell Scripts, and I'm working on a new edition—a Tenth Anniversary release. There are lots of new scripts, entirely new chapters and updates to the older stuff. more>>

Getting Good Vibrations with Linux

Vibrations and wave motions describe many different physical systems. In fact, most systems that dissipate energy do so through waves of one form or another. In this article, I take a look at gvb (Good ViBrations, http://www.pietrobattiston.it/gvb), a Linux application you can use to visualize and model wave motion and vibrations. more>>

Cluetrain cover

Cluetrain at Fifteen

I started writing for Linux Journal as a contributing editor in 1996 (here's one piece), and went full-time 1998, not long before I began co-writing The Cluetrain Manifesto with Chris Locke, David Weinberger and more>>

New Products

Please send information about releases of Linux-related products to newproducts@linuxjournal.com or New Products c/o Linux Journal, PO Box 980985, Houston, TX 77098. Submissions are edited for length and content.

diff -u: What's New in Kernel Development

One problem with Linux has been its implementation of system calls. As Andy Lutomirski pointed out recently, it's very messy. more>>

Security Hardening with Ansible

Ansible is an open-source automation tool developed and released by Michael DeHaan and others in 2012. DeHaan calls it a "general-purpose automation pipeline" (see Resources for a link to the article "Ansible's Architecture: Beyond Configuration Management"). more>>

Monitoring Android Traffic with Wireshark

The ubiquity and convenience of smartphones has been a real boon for getting information on the go. more>>

IndieBox: for Gamers Who Miss Boxes!

There are lots of cool ideas on the Internet that never really make it out of the "startup" phase. IndieBox has been around only for a few months, but I really, really hope it catches on.

Here's the idea:

Every month, you get a Linux/Mac/Windows-compatible Indie game in the mail. more>>

Non-Linux FOSS: a Virtualized Cisco Infrastructure?

We're all familiar with the idea of virtualized computers. Not only are they a great way to better utilize resources in a server room, but they also allow you to create and destroy servers in the blink of an eye. That's perfect for a lab or training environment. Unfortunately, it's always taken a rack of actual hardware to create a training lab for Cisco hardware. more>>

Linux Security Threats on the Rise

Every year, heck...every month, Linux is adopted by more companies and organizations as an important if not primary component of their enterprise platform. And the more serious the hardware platform, the more likely it is to be running Linux. 60% of servers, 70% of Web servers and 95% of all supercomputers are Linux-based! more>>

Android Candy: Oyster—Netflix for Books!

For avid readers who can't find the time to visit their local library or struggle to carry giant tomes of awesomeness around with them, eBooks have become a convenient way to consume books. Whether it's on a Kindle, a Nook or in an app on your phone, eBooks are the ultimate in portability. Sometimes, however, it can be difficult to find the book you want in a format you can read. more>>

Roll Your Own YouTube/Flickr with MediaGoblin

Everyone has wasted an afternoon on YouTube clicking through videos of talking cats, screaming goats and bad-lip-reading renditions of popular movies. Heck, there are plenty of YouTube videos of me doing odd and silly things as well. (Does anyone remember 'Buntu Family Theater?) For important family videos, however, I much prefer to control my own data. more>>

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