HOW-TOs

Pwn Your Phone

I've owned two different Android phones since they first were released, and I eventually rooted both of them. My Droid (original) was such a popular phone that rooting it was very simple. I used my rooted Droid until it wore out and rebooted every time I slid open the keyboard. My second Android phone, the Samsung Galaxy S2, is the phone I have right now. more>>

The Über-Skeleton Challenge

I received an interesting message from Angela Kahealani with a challenge: "Here's what I'd like to see in Work the Shell: a full-blown shell script template. It should comply with all standards applicable to CLI programs. more>>

N900 with a Slice of Raspberry Pi

It may not come as a surprise to anyone who regularly reads my column that I tried to be first in line to order the Raspberry Pi. I mean, what's not to like in a $35, 700MHz, 256MB of RAM computer with HDMI out that runs Linux? In the end, I didn't make the first batch of 10,000, but I wasn't too far behind either. more>>

The Past, Present and Future of GIS: PostGIS 2.0 Is Here!

Extend PostgreSQL's capabilities with PostGIS 2.0 and discover all the magic of spatial databases. more>>

Introducing Grive

Earlier this year, Google introduced its Google Drive cloud storage service. more>>

Extending GlusterFS with Python

Are you a Python programmer who wishes your storage could do more for you? Here's an easy way to add functionality to a real distributed filesystem, in your favorite language. more>>

Python Scripts as a Replacement for Bash Utility Scripts

For Linux users, the command line is a celebrated part of our entire experience. Unlike other popular operating systems, where the command line is a scary proposition for all but the most experienced veterans, in the Linux community, command-line use is encouraged. more>>

Getting Started with Salt Stack-the Other Configuration Management System Built with Python

I was proudly wearing one of my Salt Stack shirts the other day when my daughter asked me, "What is Salt Stack?" I began by explaining the problem it solved. If you have multiple servers and want to do things to those servers, you would need to log in to each one and do those things one at a time on each one. They could be fairly simple tasks like restarting them or checking how long they have been running. Or, you might want to do more complicated things like installing software and then configuring that software based upon your own specific criteria. You also might want to add users and configure permissions for them. more>>

Kbuild: the Linux Kernel Build System

One amazing thing about Linux is that the same code base is used for a different range of computing systems, from supercomputers to very tiny embedded devices. If you stop for a second and think about it, Linux is probably the only OS that has a unified code base. more>>

Extreme Graphics with Extrema

High-energy physics experiments tend to generate huge amounts of data. While this data is passed through analysis software, very often the first thing you may want to do is to graph it and see what it actually looks like. To this end, a powerful graphing and plotting program is an absolute must. more>>

PirateBox

The PirateBox is a device designed to facilitate sharing. more>>

The Sysadmin's Toolbox: iftop

Who's using up all the bandwidth, and what are they doing? Use iftop to find out. more>>

An Introduction to GCC Compiler Intrinsics in Vector Processing

Speed is essential in multimedia, graphics and signal processing. Sometimes programmers resort to assembly language to get every last bit of speed out of their machines. GCC offers an intermediate between assembly and standard C that can get you more speed and processor features without having to go all the way to assembly language: compiler intrinsics. more>>

Making Lists in Scribus

You might as well know from the start: Making bulleted or numbered lists in Scribus isn't as easy as in the average word processor. In fact, compared to LibreOffice, Scribus as installed is downright primitive in the way it handles lists. You can pull a script off the Internet to automate to an extent, but chances are you'll have to tweak it before it does exactly what you want. more>>

Interfacing Disparate Systems

When hearing the word interface, most people probably think of a Graphical User Interface or a physical hardware interface (serial, USB). If you dabble in scripting or are a serious developer, you, no doubt, are familiar with the concept of software interfaces as well. more>>

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