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Sometimes, while working on the command line in Linux, you might want to quickly take a look at the total available as well as used memory in the system. If you're a Linux newbie, you'll be glad to know there exists a built-in command - dubbed free - that displays this kind of information. In this tutorial, we will discuss the basics of the free command as well as some of the important features it provides.

The UBports community has released this past weekend the second OTA (Over-the-Air) update to supported Ubuntu Phone devices, bringing support for some old devices that were requested by the community, as well as a set of new features.

In my introduction to ImageMagick, I showed how to use the application's menus to edit and add effects to your images. In this follow-up, I'll show additional ways to use this open source image editor to view your images. read more

?New to Linux? Never fear, a superior operating system is here! You’ll go from asking everyone for help to re-compiling your own kernel in no time! (Relevant XKCD). Here are some tips for you newcomers on acclimating yourself with the realm of Linux:

Did you know, how to check number of CPU cores in Linux?

Packet radio is an amateur radio technology from the early 1980s that sends data between computers. Linux has natively supported the packet radio protocol, more formally known as AX.25, since 1993. Despite its age, amateur radio operators continue to use and develop packet radio today. A Linux packet station can be used for mail, chat, and TCP/IP. It also has some unique capabilities, such as tracking the positions of nearby stations or sending short messages via the International Space Station (ISS). read more

Microsoft has been hitting the headlines lately with its enthusiasm for Linux – but Open Source's messiah Richard Stallman is less than impressed.

Kliqqi is a content management system that allows you to create your own social networks. This article will show you how to install Kliqqi on Ubuntu.

The world of open source databases is rapidly evolving. It seems like every day brings a new release of an open source technology that might make a database administrator's life easier, if only he or she knew about it.

Evan Powell is a serial entrepreneur and served as founding CEO of three companies: Clarus Systems, Nexenta Systems, and StackStorm. Currently the CEO and chairman of Cloudbyte, Powell is also an advisor and investor in a number of startups, including Cloudian, Keewi, TextIQ, Journey Software, and others.

Fedora is my favorite Linux distribution, but I don't always use it. Sometimes I opt for an operating system that is based on it depending on my needs at the moment. Called "Korora," it adds tweaks, repositories, codecs, and packages that aren't found in the normal Fedora operating system. As a result, Korora deviates from Red Hat's strict FOSS focus -- one of the most endearing things about Fedora. While you can add all of these things to Fedora manually, Korora can save you time by doing the work for you.

One of the greatest challenges an organization faces as it grows is sustaining, evolving, and scaling the unique set of values and behaviors that differentiate its culture. In my previous column, I shared some research that we've done at Red Hat to tackle this challenge. Today, I'll share an update on our culture project: "Rediscovering Red Hat's Why," which we launched in March.

Open Source Summit North America in Los Angeles was packed with keynotes, technical sessions, and special presentations, including a conversation with Linux creator Linus Torvalds. In case you couldn't make it, CodePop.com's Gregg Pollack has put together some short videos recapping highlights of the event.  Here's Day 1 in 5 minutes!

Linux has come a long way in terms of the applications that are available for the platform. Whatever your specific needs are, you can be sure that there are at least a few applications available for you to use. Today, we'll look at 10 free photo editors for Linux, and I must say, there are a lot of image editing tools available. This post selects just 10 of these awesome tools and talks about them briefly looking at what makes them stand out. In no particular order, let's get started.

A few weeks ago, a friend sent me a link to the Great 78 Project, "a community project for the preservation, research, and discovery of 78 rpm records." The project is supported by the Internet Archive, George Blood, and the read more

Want to share your terminal over the web for demo, learning or collaboration purpose? Try these two applications to share your terminal as a web application.

We love it here when superheroes drop their cloak of invisibility, emerge from stealth mode and reveal themselves to the world. Of course we do—it's the geek in us! Manifold has just done exactly that, emerged from stealth mode and is claiming to be the easiest way to find, buy and manage essential developer services.

In this week's top 5, we take a look at Emacs and Vim alternatives, Linux cluster admin tips, and more.

Customer relationship management or simply CRM is a term or specifically an approach to managing and analyzing the interaction of your current customers and leads.

ASUS announced a new Chromebook on its website, the Flip C101, which is a smaller and lightweight version of the C302 model. Featuring a 10.1-inch touchscreen display, the all-new Chromebook is priced at only $299 in the US.