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Managing VMs with the Virtual Machine Manager

With the introduction of virtualization, physical hosts have been freed from the bounds of single-instance operating systems. We efficiently multiplex our hosts with multiple operating systems as virtual machines (VMs). But, the density of operating systems on a host simply increases the management requirements. One solution for this management problem is the Virtual Machine Manager, or virt-manager. This article explores the use of virt-manager, illustrates its capabilities on modest hardware, and shows how to manage and monitor live VM performance.

Windows 8, the post-PC world, and Linux: Microsoft will prevail

First, let's address the idea that the Linux desktop's time is now. It's an easy kill, honestly—despite the ever-improving functionality of distributions such as Ubuntu, they hardly show up as a blip in global operating system market share statistics. Linux accounts for just 1.1 percent of the desktop operating systems in the world, based on statistics from NetMarketshare. By comparison, Windows systems own 91 percent of the market worldwide; OS X has 7 percent. Now, a big chunk of that Windows market share—anywhere from a third to almost half—is Windows XP. And, the reasoning goes, with XP now at the end of its support life, those XP users have to go somewhere. Why not to Linux?

It’s Official: Ubuntu 13.04 Will Drop Alpha Releases

  • Softpedia; By Marius Nestor (Posted by hanuca on Oct 31, 2012 10:48 PM CST)
  • Story Type: News Story; Groups: Ubuntu
A few days ago was only a rumour, but today, October 31st, we’re unhappy to announce that the upcoming Ubuntu 13.04 operating system from Canonical will have a single Beta release and no Alphas, not even a Release Candidate.

LinuxCertified Announces its next Hands On Embedded Linux Development Training course.

LinuxCertified Inc, a leading provider of Linux training and services, announced its next Embedded and Real-Time Linux Development class to be held in San Francisco Bay Area from November 9th - 11th, 2012. http://www.linuxcertified.com/class_schedule.html

Hershey Kisses, a pumpkin, and MaKey MaKey create an open source Halloween

We've been anxiously awaiting our chance to mess with a MaKey MaKey after we wrote this post, and we finally got our hands on one just in time for Halloween. MaKey MaKey's are based off Arduino, and you plug them into your computer with a USB cord. Basically you can alligator clip anything that conducts electricity and to make anything into a key.

OCRFeeder Fails to Feed Factually

OCRFeeder is a document layout analysis and optical character recognition application. It is a type of software that leaves much to be desired on the Linux desktop. OCR software is a companion tool to scanning a document. The scanner software creates a photo-like image of the scanned document. The OCR component lets you edit the text and then export the edited version into a word processor or page-design program.

Amazon in Ubuntu upsets the Electronic Frontier Foundation

  • Linux User & Developer; By Rob Zwetsloot (Posted by robzwets on Oct 31, 2012 6:30 PM CST)
  • Story Type: News Story
The EFF is concerned over privacy and data leaks resulting in the Amazon search results in Ubuntu 12.10

Garys Mod may come to Linux!

  • GamingOnLinux.com; By Liam Dawe (Posted by liamdawe on Oct 31, 2012 5:32 PM CST)
  • Story Type: News Story
I am not really up to speed on Garys Mod but I know it is very popular so I am sure for some people this will be fun news, Gary has stated he is up for the challenge of bringing it to Linux!

One Code Base, Multiple Form Factors

Yesterday we pushed a small but significant clean-up to a feature set we've been working on for a couple of years now which is perhaps one of the more interesting things we're doing in Plasma: the idea of "one code base, multiple form factors." The idea is that whether your application is running as a widget on the desktop, docked in a panel, running full screen as part of a mediacenter, running in a touch based environment or as a regular ol' app-in-a-window, much of the code can be shared. We often put the non-graphical bits into shared libraries, and traditional we've built multiple front ends that are optimized for different form factors and input methods which use these libraries.

Going Over The Graphics Execution Manager

For those not yet familiar with GEM, the Graphics Execution Manager, that Intel's open-source Linux graphics driver uses for in-kernel memory management, here's a brief guide...

Walmart to carry Boxee TV starting tomorrow

  • c|net; By Don Reisinger (Posted by masgeeks on Oct 31, 2012 1:55 PM CST)
  • Story Type: News Story
Boxee has just won a big one. Walmart tomorrow will start carrying the Boxee TV at 3,000 locations nationwide. Bloomberg, which was first to report on the news, spoke with Boxee chief Avner Ronen, who said that the Walmart partnership could deliver "a big launch" for his set-top box.

Ext4 bug patched

The cause of the bug that was found in Linux's Ext4 filesystem last week has been identified. The main Ext4 developer, Ted Ts'o, has submitted a patch for inclusion in kernel version 3.7

Seeking Enlightenment

With a release of Enlightenment E17 being very likely at Linuxcon Europe on 5 November, The H spoke to project leader Carsten "Rasterman" Haitzler about how the desktop has been progressing and what are the project goals

UBUNTU.AUDIOCA.ST: Unbelievably Stupid

So I set out today to rediscover Diaspora, the open social network that was once a Kickstarter phenomenon. While I didn’t spend much time there, I did stumble across something relatively new that I had not yet heard of. UBUNTU.AUDIOCA.ST.

Microsoft's New Cloud and Mobile Approach Uses Same Old Lock-in Strategy

  • Tech Target View From Above; By Ron Miller (Posted by rsmiller on Oct 31, 2012 10:17 AM CST)
  • Story Type: Editorial; Groups: Microsoft
At a glance, the whole Windows 8 cloud-mobile strategy seems like a radical new approach for Microsoft, but when you dig a little deeper, it's really just the same all-Microsoft lock-in strategy it's been using for years. The big difference though is Microsoft is not alone on the playing field anymore and users can choose their devices.

Plone CMS vulnerable to privilege escalation and code execution

  • The H Open (Posted by bob on Oct 31, 2012 9:19 AM CST)
  • Story Type: News Story
The developers of the open source content management system have warned of multiple security holes that could be exploited to bypass security restrictions or execute arbitrary code. Patches will not be released until 6 November

Free download of CrossOver for Linux and Mac today

  • The H Open (Posted by bob on Oct 31, 2012 8:44 AM CST)
  • Groups: Linux; Story Type: News Story
CodeWeavers is currently giving away copies of the WINE-based CrossOver for Linux and Mac OS X; this is a result of a US presidential election "get out the vote" campaign which apparently failed to meet its goals

Introduction to Migration Advisor quick fixes

  • IBM developerWorks : Linux (Posted by bob on Oct 31, 2012 7:47 AM CST)
  • Groups: IBM, Linux; Story Type: News Story
Learn how to fix migration problems in your application by using the Migration Advisor tool, which is part of the IBM Software Development Kit (SDK) for PowerLinux.

How to install Z-Shell, awk, lua, nano, and more on your Android device without rooting it

  • LinuxBSDos.com; By finid (Posted by finid on Oct 31, 2012 6:42 AM CST)
  • Story Type: News Story
Want to do more than just touch, swipe, pinch and zoom on your Android smartphone or tablet? Want a powerful shell environment plus FFMpeg, ImageMagick, Sox, OggZ, GNU Awk, Sed, Grep, the LUA scripting language and a whole lot more on that Android phone or tablet without rooting it?

Rate Limiting With nginx

  • HowtoForge; By Falko Timme (Posted by falko on Oct 31, 2012 5:45 AM CST)
  • Story Type: Tutorial; Groups: Linux
This article explains how to use the nginx HttpLimitReqModule to limit the number of requests for a given session. This is useful, for example, if your site is hammered by a bot doing multiple requests per second and thus increasing your server load. With the HttpLimitReqModule you can define a rate limit, and if a visitor exceeds this rate, he will get a 503 error.

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