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Selena Deckelmann, a data architect and contributor to PostgreSQL, gave a keynote speech at the Computer Science Teachers Association conference this year called, What open source communities can do for teachers. At the end she encouraged the audience to connect with free and open source developers from their communities to schedule a 15-20 minute talk about their work with a student classroom.

If you happen to use digiKam for managing photos scanned from negatives, you’ll appreciate the application’s capabilities to add and edit EXIF metadata.

Shortly after the release of Pear OS 8 Alpha 2, David Tavares was proud to announce that a new welcome screen would be available in the upcoming Pear OS 8 Linux operating system.

Clonezilla is a feature-rich and user-friendly disk cloning and backup software which is under GPL. Clonezilla provides a convenient interface for cloning a disk/partition to another local device, or archiving a cloned image to an external SSH/Samba/NFS server. This tutorial describes how to back up or restore hard drives with Clonezilla.

Autotrash is a simple Python script which will purge files from your trash based on their age or the amount of free space left on the device. Using autotrash -d 30 will delete files which have been in the trash for more then 30 days. It uses the FreeDesktop.org Trash Info files included in the new GNOME system to find the correct files and the dates they where deleted.

If you are trying to lose a few kilos, dieting and exercising are what you need to do. However, while it seems to be simple, you may dont have any idea about what foods to eat, what exercises to do and you also lose the motivation and determination easily. So here are 5 Android apps that can give you some help to make your fat loss journey easier and more convenient.

If you're new to the world of tech freedom, TOR is supposed to be a safe zone, a sanctuary. Among other things, it offers a way to surf anonymously. Governments hate it because the bad guys can use it as a way to evade detection. Digital freedom fighters like it for the same reason.

I occasionally get asked why I spend so much of my free time writing software and giving it away for free. There are a number of reasons for this—I like to build things and I use it as an excuse to practice and improve my skills—but one of the most driving motivators for me is that I see open source contributions as a civic duty, a moral obligation to the rest of the world.

Lighttpd is a secure, fast, standards-compliant web server designed for speed-critical environments. This tutorial shows how you can install Lighttpd on a Fedora 19 server with PHP5 support (through PHP-FPM) and MySQL support. PHP-FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features useful for sites of any size, especially busier sites. I use PHP-FPM in this tutorial instead of Lighttpd's spawn-fcgi.

When a new Ubuntu launch date approaches, Canonical developers like to start shaking things up. This time is the turn of Ubuntu for PowerPC.

Dictionary is one of the tools many people need on a computer, specially offline dictionary. In this tutorial, I will talk about such a software called Artha. According to its man page “Artha is cross-platform thesaurus based on WordNet“

The "blink"* element, a feature of early web browsers that made text blink on and off, has been banished in the latest version of Firefox. The element had already been removed from Internet Explorer, was never implemented in Chrome and was ignored by most browser-makers because it never made it into a W3C HTML spec. The W3C even went so far as to add a Blink-killing requirement to its web accessibility guidelines.

Mozilla adds new social-sharing features, issues 13 security advisories and deploys a mixed-content security capability to limit the risk of mixing un-encrypted data with secured content.

RFEL has unveiled board-level versions of its HALO video processing technology, which runs Linux on a Xylinx Zynq ARM+FPGA system-on-chip. Previously introduced as a ruggedized subsystem aimed at military intelligence applications, such as UAVs, the new HALO boards provide embeddable versions of RFEL’s image stabilization and fusion engines, which can form composite images by combining visible and IR data.

There's an interesting story on CNet today about Android gaining market share in tablets in the second quarter. On the surface it looks like Android is beginning to eat Apple's lunch. But is that really true?

Linux users who want to run Windows applications without switching operating systems have been able to do so for years with Wine, software that lets apps designed for Windows run on Unix-like systems. There has been no robust equivalent allowing Mac applications to run on Linux, perhaps no surprise given that Windows is far and away the world's most widely used desktop operating system. A developer from Prague named Luboš Doležel is trying to change that with "Darling," an emulation layer for OS X.

Microsoft has cut the prices of its Surface Pro tablet by $100. This comes after Microsoft already cut prices of its Surface RT product significantly in a desperate and feeble attempt to spur sales.

Avnet has unveiled a smaller, lower cost follow-on to its community backed ARM+FPGA based ZedBoard. The $199 Linux-ready MicroZed board is built with a Xilinx Zynq-7010 SoC, and can be used as either a single-board computer (SBC) or as a computer-on-module (COM) feeding 100 programmable GPIO signals into a carrier board.

Linux kernel developers have selected a new long-term kernel that could serve as the basis for enterprise Linux distributions as well as consumer electronics devices. Greg Kroah-Hartman tells us all about it.

This two-day introduction to Linux broadens attendees horizons with a detailed overview of the operating system. Attendees learn how to effectively use a Linux system as a valuable tool. They get familiar with the architecture and various components of the operating system, learn both graphical and command line tools, and learn to do basic networking. August 10th - 11th, 2013 .