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Article about vmstat tool, to check the memory status in a Linux system, explaining the terms that vmstat uses, and also how to solve some memory problems, (only some hints)

When using multiple systems the indispensable tool is, as we all know, ssh. Using ssh you can login to other (remote) systems and work with them as if you were sitting in front of them. Even if some of your systems exist behind firewalls you can still get to them with ssh, but getting there can end up requiring a number of command line options and the more systems you have the more difficult it gets to remember them. However, you don't have to remember them, at least not more than once: you can just enter them into ssh's config file and be done with it.

The past twelve months have been good for Linux vendor Red Hat (NYSE:RHT) as the company grew revenues and income while expanding its product offerings in the cloud and virtualization space. But how did Red Hat grow while others staggered? During Red Hat's fiscal 2010 earnings call on Wednesday, Red Hat’s CEO and CFO detailed the steps their company took to leverage open source software to make millions.

..The most important part is that Microsoft has shot the .NET ecosystem in the foot because of the constant thread of patent infringement that they have cast on the ecosystem. Unlike the Java world that is blossoming with dozens of vibrant Java virtual machine implementations, the .NET world has suffered by this meme spread by Ballmer that they would come after people that do not license patents from them.

It’s one small step for Dell, and one big strategic win for Canonical’s Ubuntu Linux cloud strategy. Specifically, Dell on March 24 said it would support Ubuntu Enterprise Cloud (UEC) as an infrastructure solution. Apparently, Canonical and Dell have been developing this UEC relationship for more than six months. Here are the implications.

This guide explains how you can install and use KVM for creating and running virtual machines on a Mandriva 2010.0 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM). KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization, i.e., you need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V.

Watch this, if this isn't the coolest Linux device ever, you tell me what is: Imagine this thing creeping up on you from behind. The Halluc II is a remote controlled robotic vehicle with 8 legs/wheels. It's designed to walk/drive over rugged terrain an can actually transform from walking to driving robot. It has 3 different movement modes: vehicle, animal, and insect.

The upcoming release of Ubuntu 10.04 is on the way and with its new theme, looks simply stunning. With an online music store built in, integrated cloud backup services and a strong focus on social networking, could this finally be the release consumers have been waiting for?

Hundreds of organizations that develop and promote standards have been formed using a legal and governance model that leads them to be referred to as "consortia." But think for a moment and tell me if you know what kind of model would be wise to use to set up an organization to support any other type of largely virtual activity?

Package installation for Linux distributions has traditionally separated libraries and application binaries into different packages, so that only one version of a library would be installed and it would be shared by applications that use it. Other operating systems (e.g. Windows, MacOS X) often bundle a particular version of a library with each application, which can lead to many copies and versions of the same library co-existing on the system. While each model has its advocates, the Linux method is seen by many as superior because a security fix in a particular commonly-used library doesn't require updating multiple different applications—not to mention the space savings. But, it would seem that both Mozilla and Google may be causing distributions to switch to library-bundling mode in order to support the Firefox and Chromium web browsers.

Alexander Reichle-Schmehl is working hard to revitalize the Debian Project News with a group of volunteers – see what you can do to help them!

Claims Linux would be as easy or easier.

Mark Shuttleworth and I have a forth and back on the Ubuntu / Debian relationship.

It was not long ago when Microsoft Windows had a tight stranglehold on the operating system market. Walk into a Circuit City or Staples, it seemed, and virtually any computer you took home would be running the most current flavor of Windows. Ditto for computers ordered direct from a manufacturer. In the last decade, though, the operating system market has begun to change. Slightly more than 5% of all computers now run Mac, according to NetMarketShare.com. Linux is hovering just beneath 1% of the overall market share in operating systems. And although that might sound like a small number, Linux is far more than just a fringe OS. In fact, it's running in quite a few more places than you probably suspect.

Still deeper into the dot (.) with an dive into access permissions. Study up because there’s going to be a quiz. In the previous article we saw how the hidden directory entries named . (dot) and .. (dot dot) tie the filesystem together. Those names are hard links that reference the actual filesystem object through the index number. A directory always has at least two names: . and its given name. You can always reach the parent directory through the .. entry.

Commercial Linux distributor Red Hat is reaching towards its goal of hitting $1bn in sales. In the fourth quarter of fiscal 2010, the company had double digit revenue growth and posted record billings for the services backing its Enterprise Linux and related products, and it finished off the year with overall sales up 14.7 per cent, to $748.2m, and net earnings up 10.8 per cent, to $87.3m. Not too shabby considering the global economy was melting down during the first half of Red Hat's fiscal year and is only now showing some signs of stability.

High dynamic range imaging (HDR) is an important technology for photographers. It is a collection of techniques that allow a wider dynamic range of luminances between the lightest and darkest areas of an image.

There are several categories of zones that must be configured. You need to have forward lookup zones, which allow the nameserver to match names to IP Addresses. You’ll define these zones in the /etc/bind directory, in files with the “db” prefix.

When it comes to learning about computers, one operating system has the edge. Productivity, however, is a different story.

The surprise to most people isn’t that I do not believe that software should be patentable. Given my long term interest in and coverage of free and open source software, I’m supposed to be at least mildly anti-establishment. It is also statistically unlikely that I would be in favor of patents, because industry sentiment is overwhelmingly against them at the present time.