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Cgroups is present in the official Linux kernel 2.6.24 (late 2007), still he’s not much know or used (at least for what i know). In this article I’ll give you an overview of this powerful Linux tool to control how much CPU, memory, disk I/O or network I/O each process or user can use in your server.

So in short cgroups it’s a feature to limit, account and isolate resource usage (CPU, memory, disk I/O, etc.) of process groups.

Let’s see how.

My laptop is very old, so old that many people don’t even remember the model. This is one of the last models designed and actually produced by IBM before it was sold to Lenovo – a good old IBM X31. I am also a dedicated Mandriva user since those times when it was known as Mandrake. Why did I decide to try Mageia?

Cardinal Quest free for 24 hours!

While it's rare for there to be more than seven or eight (weekly) release candidates before a new major Linux kernel release, this evening Linus Torvalds has tagged 3.1-rc9...

This article describes how to rip music off an audio CD in acceptable shape with a moderate bitrate and in MP3 format on Linux Mint 11. There are are numerous ways of ripping a CD on Linux, but not all of them provide the standard comfort one should have, for instance a fairly high bitrate for your music, so that it does not sound like hammering on a trashcan with an iron spoon, or automated fetching of disk and track information from the internet, so you do not have to do it all manually. The way I describe should provide all these things, however it may be that if you are ripping a rather unknown audio disk, there is no data about it on the CD database.

Android Market is perhaps one of the most happening places among mobile platforms. Lots of games and apps are pouring in. We did feature our favorite collection of games for Android before, JellyBalls+ is my latest addiction. What makes JellyBalls+ even more special is the fact that, it is made completely using open source tools that include Ubuntu, Inkscape, GIMP, Audacity, even its music is on CC license.

The Attachmate/SUSE-backed OpenSUSE and Red Hat-backed Fedora community Linux projects have been released in beta versions that include the GNOME 3.2 desktop environment. The Fedora 16 (& Verne& ) beta also adds support for the GRUB2 bootloader, as well as updates to applications including Firefox, Blender, Perl, and Python, while the OpenSUSE 12.1 (& Asparagus& ) beta to be more of a developers alpha release masquerading as a beta....

This article here is somewhat related to our previous one, in that it treats the subject of booting and installing Linux using the network, be it local or not. This time we will treat installing Linux without optical, floppy or other removable media, by just using the LAN. You are expected to have at least two computers in your network, and the client will need a NIC and a BIOS capable of using PXE. We will guide you from beginning to end, but some basic networking and Linux configuration knowledge, plus the use of an editor of your choice are required. You will learn what PXE is, how to configure a DHCP server, how to configure a TFTP server so the client can have access to the files, plus lots of interesting things, as usual.

Many different things make the Linux Planet go around, and one of them is the desktop. This past week, two key Linux desktop technologies advanced -- the new GNOME 3.2 release and the 1.0 release of PulseAudio.

Intel has quietly launched its 32nm, "Cedar Trail" Atoms, which will reportedly sell for as little as $42. The portable-focused Atom N2600 and N2800 can be clocked up to 1.86GHz and 2.13GHz respectively, while the desktop-oriented D2500 and D2700 stretch to 2.13GHz and 2.4GHz, according to the company....

Redmond once again pushes developers to forgo existing technologies and adopt a new UI and APIs — despite the lack of compelling benefits.

LinuxSecurity.com: The Survivability and Information Assurance (SIA) course was originally developed by a team at Carnegie Mellon, led by Lawrence Rogers (http://www.cert.org/sia/). Back in 2010, I requested a license to continue the development of the course because it provides useful information on Information Assurance. Also, this course will always be freely available for anyone to use in the classroom or self-study. There are three parts to the LearnSIA curriculum.

Firebird Project is happy to announce general availability of Firebird 2.5.1 This sub-release introduces several bug fixes and many important improvements - for example, performance improvements during a database restore, the ability to write to global temporary tables in read-only databases, etc. For the full list of changes please refer to the Release Notes, Chapter 2 "New in Firebird 2.5". Firebird 2.5.1 has 100% compatible on-disk structure with Firebird 2.5.0, so it is recommended to migrate to 2.5.1 as soon as possible.

Larry the Free Software Guy, a Californian, likes to poke fun at his friends from Texas when it comes to the Golden State's superiority in most things. But he'll eat some crow here with some salt, washing it all down with a Lone Star, on the issue of getting Linux/FOSS into the hands of everyday folks, since Texans lead the way here. Move over, Ken Starks and the HeliOS Project in Austin: TexOS, the Texas Open Source Project, is providing Linux/FOSS boxes and instruction to kids up the road a spell in San Angelo.

Adobe Flash. Those two words have driven fear, annoyance and hate into the hearts of many users and developers for some time now. I am here to say today, in case you had not noticed, that there is a light at the end of the tunnel. I say with certainty that the days Adobe Flash enjoys as a dominant web development tool are numbered.

Get an early snort of Office 365 cumulus BlackBerry users wanting to get into Microsoft's cloudy Office 365 only have a few months to wait, and the properly impatient can sign up for the beta this month.…

Eurotech announced a GPS-enabled rugged display computer for in-vehicle installations, featuring EN50155 compliance for railways. The DynaVIS 10-00 is equipped with a 1.1GHz Intel Atom, soldered 512MB RAM and 2GB flash, a 4GB microSDHC card, a 5.7-inch touchscreen, optional Wi-Fi and cellular modems, a wide-range power supply, plus a variety of wired I/O expressed via dual opto-isolated ports....

What lies beneath the Jules Verne submarine art? Review The Fedora Project has released the first beta of Fedora 16.…

...Step away from it now Apparently, there is a perceived shortage of C# and Java programmers, certainly a good percentage of all job ads are for these languages.…

How’s your French? If you’re fluent enough, you could help translate the seminal Debian book “Cahiers de l’Admin Debian Squeeze” and earn yourself dinner with the authors…