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I call df, or disk free, the misunderstood command because new Linux users often expect it to tell the sizes of directories and files. But it doesn't do that-- it's for displaying useful information on filesystems. When you invoke it with no arguments, it shows free and used space on all mounted filesystems, their partitions, and mountpoints:

Dot Categories: KDE Official NewsToday KDE released the second beta for its renewed Workspaces, Applications, and Development Platform. Thanks to the feedback from the first beta, KDE already improved the quality noticably. Further polishing new and old functionality will lead to a rock-stable, fast and beautiful release in January, 2013. One outstanding freeze is the artwork freeze, which is planned to bring an updated look to Plasma workspaces.

A new MariaDB Foundation is being created in the US with a million euros already pledged by sponsors. The Foundation will take over the development and release process of new versions of MariaDB

The Raspberry Pi might be cheap and efficient, but it's pretty slow. These new ODROID boards will bring serious firepower to the embedded ARM world.

EMC and VMware have made the rumoured reorganisation of the companies official with the announcement of the Pivotal Initiative, a new company which will focus on the cloud and big data analytics and include SpringSource, Gemfire and Cloud Foundry

One week after NVIDIA published 2D open-source driver code for their Tegra 2 ARM SoCs, which is applied to the Tegra DRM driver that will premiere with the Linux 3.8 kernel, code has now emerged for supporting the NVIDIA Tegra driver within the libdrm component...

A sneak peek of Fedora 18, including a gallery of images.

It's all in the fine print Feature I'm not a very good liar, I haven't got the memory for it, which is why it always pricks my conscience whenever I tick the yes box to the prompt "I have read and understood…" when installing software. I am, of course, fibbing. I never read a word. In fact, even though we all tick yes to these agreements every day, unless you're a legal bod, I doubt you could find anyone you know who could quote a single line from any of them.…

Which gadget from our Gift Guide are you most likely to give? Raspberry Pi Arduino MaKey MaKey BeagleBone Ice Tube Clock SparkFun Inventor's Kit i-Racer NanoNote Flora MintyBoost Other (tell us in the comments!) It's getting really close to the holidays. Hopefully you've seen our gift guide and giveaway, and we'd love to know which gadgets you're most excited about.

Top app earners carve up $60m pie Apple's App Store and the Google Play store each claim to offer over 700,000 apps to choose from, but only a tiny fraction of them bring in significant revenue for their developers, according to research from analyst firm Canalys.…

The hacker Kingcope, has demonstrated how to more efficiently brute force passwords on the MySQL database and all it takes is an unprivileged login for the database

If the iPad is indeed delivering 98% of the tablets' web traffic, then Google Android's open source business model has failed. By making Android open source, Google has not gotten the traffic from Android devices in return.

After almost eight years, the developer of the PHP Gift Registry web application has finally responded to a notice regarding a serious security vulnerability. Apparently, the problem has now been fixed

Potification platform indie game trailer released

LXer Feature: 04-Dec-2012

I think UEFI Secure Boot is a shuck and a bald-faced Microsoft anti-competitive tool. I'll get to my reasons in a moment, because my most important point comes first:

Every purchase of a Windows license is an attack on Linux. Linux has not won, and Microsoft is as dangerous as ever.

If your business lives and dies by its Red Hat Enterprise Linux servers, here's your chance to get a quick peek at what's coming next.

If you're starting a new open source project, or open sourcing some existing code, you'll need a publicly accessible location for the version control system holding your code (if you're not planning on setting up a publicly accessible VCS, reconsider; no public source control is a red flag to potential contributors). You could set up your own repository hosting, but with so many companies and groups offering existing setups and services, why not use one of those and save yourself some time? Here's an overview of some of the more popular options.

Indie real time strategy and shooter game McDROID has been released for Linux. In the game, you control the McDROID, a farming/combat modular robot and defend your shuttle against mutants while farming strawberries at the same time.

Two years ago, I met some open data advocates from Brazil and Ottawa, and we schemed of doing an international open data hackathon. A few weeks later, this blog post launched International Open Data Day with the hope that supporters would emerge in 5-6 cities to host local events.

Every few years, it seems as though yet another hardware vendor tries its hand yet again at building and releasing Linux hardware. The latest entrant is the Dell Sputnik laptop, aka Dell XPS 13 'inch developer edition. The Dell Sputnik uses Ubuntu 12.04 LTS (no 12.10 here). It's a beefy beast with an Intel i7 CPU, 8 GB of RAM and a 256 GB SSD. Going beyond having just Ubuntu Linux installed on top end Dell hardware, Dell has also included a pair of community projects on Sputnik as well. The Profile Tool provides easy access to github projects enabling users to setup development environments with ease.