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Blender is such a highly specialized and powerful rendering app that at least two Linux distros are built around it. This cross-platform 3D graphics application matches features and performance of the leading commercial equivalent software packages. Professional-strength rendering software is not a tool for tinkerers.

Know what is happening in “real time” on your systems is in my opinion the basis to use and optimize your OS. On ArchLinux or better on GNU/Linux in general the top command can help us, this is a very useful system monitor that is really easy to use, and that can also allows us to understand why our OS suffers and which process use most resources. The command to be run on the terminal is:

$ top

Let’s see now every single row of this output to explain all the information found within the screen.

This tutorial explains how to use the GeoIP module with nginx to block visitors by country. This is made possible by the GeoIP database which maps users' IP addresses to countries. nginx must be compiled with the HttpGeoipModule to use the GeoIP database.

The library that's too cute to kill The effort towards a Qt library for Android is progressing, with a fourth and final alpha release being sent out the door – despite confidence in the platform having steadily eroded since Nokia dumped it.…

Improved WebGL support for in-browser 3D gaming Another month, another Firefox update. But although Mozilla's breakneck release pace can be bewildering for some users, new Firefox versions continue to bring performance, stability, and security improvements – and in the case of the newly released Firefox 15, some nice goodies for gamers.…

As someone who's been working as a system administrator for a number of years, it's easy to take tools for granted that I've used for a long time and assume everyone has heard of them. Of course, new sysadmins get into the field every day, and even seasoned sysadmins don't all use the same tools. With that in mind, I decided to write a few columns where I highlight some common-but-easy-to-overlook tools that make life as a sysadmin (and really, any Linux user) easier. I start the series with a classic troubleshooting tool: sar.

This tutorial provides step-by-step instructions on how to install Xen (version 4.1.x) on a CentOS 6.3 (x86_64) system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other.

We wrap up our investigation of vector graphics editors with a look at Adobe's Illustrator, along with a selection of more specialist applications, including Microsoft's Visio and the free, open-source LibreOffice Draw.

If you’re learning a foreign language, there is always the need to go beyond the standard textbooks and listening materials. Resources like CDs,DVDs, and even movies in that particular language help you become a good listener and communicator. Also, these days, there are plenty of software available that help you learn better and faster. On Linux too, there are many such applications that can push you further in your linguistic endeavors without you having to pay a single penny. Here is a list of the best ones.

The 1st of September is just around the corner. Nowadays, one of the most popular purchases for the pupils and students are computers. Being it Linux Desktop or Laptop, you still have an option to install your own operating system on it, specifically to help your child, or maybe yourself, to prepare the homework. There are several Linux-based OSes, which fall into this category, and the most well-known of them is Edubuntu.

When it comes to solving Maths equation in Linux, we have previously discussed GeoGebra, a software for geometry and 2D graphs. However, if you are looking for a more powerful tools, you should give Sage a try. We’ve all heard of Matlab or Magma, but Sage offers an open source alternative to those two, and is, to my opinion, simpler to use.

BleachBit is a general purpose cleaning application that covers almost every application or component of your system that stores any kind of data, taking hard disk space and risking the unintended sharing of personal data over the internet. The application is unfortunately still using gtk2, but other than that it is completely simple to understand and use in daily basis.

As we have previously announced, the sale of Humble Bundle for Android is running for almost 2 weeks now. Recently there have been added another 4 highlights to the first 5 games in the bundle:

The draft chapter of the Trans-Pacific Partnership (TPP) Agreement on Intellectual Property insists that signatories provide legal incentives for Internet Service Providers (ISPs) to privately enforce copyright protection rules. The TPP wants service providers to undertake the financial and administrative burdens of becoming copyright cops, serving a copyright maximalist agenda while disregarding the consequences for Internet freedom and innovation.

(CNN) -- It's hard to say exactly what percentage of desktop and laptop computers run Apple OS X, but it's clear that the operating system has made slow but steady gains at chipping away at that the sizable lead Microsoft established in the '90s with its Windows operating system. Some figures put the number at about 6 to 7 percent of the desktop market. But one thing's for sure: OS X has been more successful than Linux, the open source operating system that has found a home on data-center servers but is still a rarity on desktops and laptops. Linux may have seen a surge last year, but it still hasn't seen the sort of growth OS X has, nor the growth that Linux supporters have long hoped for.

Firefox 15 has been released, and includes a few updated on both desktop and Android versions, including speed and tablet optimizations.

Diaspora announced its plans to gradually open the project to the community.

This is a response to some high traffic Tech/News Magazines that tend to present Gnome like an unpopular, un-maintain and almost abandoned project. But it is also a response to some people that are pessimistic and negative about the future of Gnome. I believe that things are much different…

Nvidia has announced yesterday, August 27th, the immediate availability for download of the 304.43 version of its graphics driver for Linux, Solaris and FreeBSD operating systems.

It's a good thing looks aren't that important, right? Review Microsoft offended thousands in April with a preview of its next Visual Studio, a John-Major-inspired, grey affair intended to take Microsoft’s all-encompassing IDE loser to the look of Windows 8.…