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This article—the first in a series on Hadoop—explores the Hadoop framework, including its fundamental elements, such as the Hadoop file system (HDFS), and node types that are commonly used. Learn how to install and configure a single-node Hadoop cluster, and delve into the MapReduce application. Finally, discover ways to monitor and manage Hadoop using its core Web interfaces.

This image represents a basic network plan for a small company. The goal of this article is to use this image to help describe basic concepts of networks and how they typically constructed as well as why they are designed the way they are. Of course there are many variations to this basic design.

In my line of work I get to test, try and evaluate all kinds of new open source software and the occasional new distribution flavor of the month. Sometimes it's a smooth process but other times I find myself casting a line in the lake of forums hoping to get a bite. In a lot of ways, this is how it was when I was first introduced to Linux in the late 90's. When I look back and compare my experiences then with my experiences now I see the progress we've made in a number of areas but I am left with one conclusion: we're not quite there yet.

Ubuntu Netbook Edition brings all the advantages of Ubuntu to your netbook – it's optimised for smaller screens and, of course, it's free. Ubuntu Netbook is a secure, reliable way to use your netbook. It gives you instant access to all the free applications you’ll need, wherever you are. Ubuntu Netbook 10.04 Screenshots

Here are just a few of the changes in the latest Elementary Theme from BZR: started using Equinox GTK engine too, new sexy midori tabbar and statusbar workaround, special toolbar/menubar rules for nautilus, minimal range for Nautilus, Terminal style, awasome sexy panel now with prelight, scrollbars with no steppers (which you can preview in the screenshot below) and a lot more!

“Linux is subversive”: so begins “The Cathedral and the Bazaar,” Eric Raymond's analysis of the open source way. The subversion there was mainly applied to the world of software, but how much more subversive are the ideas that lie behind open source when applied to politics.

This tutorial shows how to prepare a Fedora 13 server (x86_64) for the installation of ISPConfig 3, and how to install ISPConfig 3. ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: Apache web server, Postfix mail server, MySQL, BIND nameserver, PureFTPd, SpamAssassin, ClamAV, and many more.

Giving your photos meaningful names makes it significantly easier to keep tabs on them. Of course, renaming each and every photo by hand is not particularly practical, especially if you take dozens or even hundreds of photos each day. This is when digiKam’s Rename feature can come in rather handy.

Chipmaker ARM and a group of allies have joined forces to back a non-profit Linux company to develop tools for cellphones, tablet PC and similar small devices. The alliance with Freescale, IBM, Samsung, ST-Ericsson and Texas Instruments was announced yesterday at Computex 2010 and significantly ups the stakes in the battle for future mobile dominance.

One of the original targets of Linux was the under-powered computer gathering dust in the closet destined for electronic disposal. While that sounds like a noble goal, it isn't reality for the majority of today's Linux distributions. Xubuntu says it's for the limited resource computer, but even it has a minimum memory requirement of 256 MB. You probably won't have a very pleasant experience running Firefox on a machine with less than 512 MB of memory.

With Facebook stomping all over users' privacy, there's been a lot of interest in open source and privacy friendly social network tools. The good news is that Mozilla is getting involved with a new platform called sudoSocial. The bad news is that sudoSocial is very new, and not quite sure what it wants to be when it grows up.

A group of chip makers including IBM, Samsung Electronics and Texas Instruments unveiled Linaro, a new software engineering foundation dedicated to improving Linux distributions, including Android, MeeGo and Ubuntu, used in consumer devices.

The Pogoplug 2 is a Linux-based network file-sharing device that allows secure access to share, upload, download and manage files from within a web browser. Kenneth Hess shares his thoughts…

Shutter is a fully loaded open source screenshot app for Linux. It is fairly easy to use and especially useful for bloggers. Using shutter, you can take a screenshot of a specific area, window, your whole screen, or even of a website – apply different effects to it, draw on it to highlight points, and then upload to an image hosting site, all within one window.

With the 10.04 version of Ubuntu Linux, there is now a way to install Ubuntu Linux onto a Windows Computer without having to repartition the hard drive. This feature alone has the potential of increasing the Linux User Base dramatically. No longer do you have to worry about "messing up your system" or try to figure out how to get rid of the Grub Boot loader and delete Linux Partitions. With using the Ubuntu Linux Windows Installer, if you don't like running Linux, you simply have to remove it from within Window's Add/Remove Programs Control Panel Applet (which only takes a few seconds to uninstall).

While Ubuntu fans out there still discover and enjoy the brand-new Ubuntu 10.04 LTS (Lucid Lynx) operating system, somewhere deep in the Ubuntu headquarters, the Canonical developers are working on the next major update for their popular Linux distribution.

Tuxera offers Android and Linux driver for next-generation memory flash cards that relies on Microsoft's exFAT.

Microsoft and Intel are fighting for the affections of hardware makers as the PC industry tries to answer Apple's iPad. The world's biggest software company used the annual Computex show in Taiwan to release a preview of Windows Embedded Compact 7 — the latest rebranded version of Windows CE, which has been promised on tablets from Asus, LG, and MSI.

Mephisto Backups key feature is the ability to backup your system to an image and copy it to a Linux Live DVD for future restoration. The user can then take that cd and move his or her system to any PC.

LinuxCertified, Inc. announced its next two day, hands-on course that provides attendees with experience in creating Linux kernel source code within various subsystems of the Linux kernel. This course teaches attendees to acquaints developers with the fundamental subsystems, data structures, and API of the Linux kernel

This class is scheduled for June 7th - 8th, 2010.