Prey - An awesome application to track your stolen Laptop and android phone
Official Nagios Training Schedule January 2011
Why Linux is Alpha and Omega
Detecting net neutrality violations?there's an app for that!
Ubuntu?s Cloud-Init Promotes Customization in the Cloud
Motorola Takes Wraps Off Xoom Android Tablet
What the WWF has to learn about FOSS
Introduction to RAID
Virtualization With KVM On An OpenSUSE 11.3 Server
CA Court Rules Smartphones Can Be Searched Without A Warrant
Switching to Linux (For the Right Reasons)
7 Classic game on Linux
Official Nagios Training Schedule January 2011
Why Linux is Alpha and Omega
Detecting net neutrality violations?there's an app for that!
Ubuntu?s Cloud-Init Promotes Customization in the Cloud
Motorola Takes Wraps Off Xoom Android Tablet
What the WWF has to learn about FOSS
Introduction to RAID
Virtualization With KVM On An OpenSUSE 11.3 Server
CA Court Rules Smartphones Can Be Searched Without A Warrant
Switching to Linux (For the Right Reasons)
Motorola Takes Wraps Off Xoom Android Tablet
Official Nagios Training Schedule January 2011
Why Linux is Alpha and Omega
Detecting net neutrality violations?there's an app for that!
Ubuntu?s Cloud-Init Promotes Customization in the Cloud
Motorola Takes Wraps Off Xoom Android Tablet
What the WWF has to learn about FOSS
Introduction to RAID
Virtualization With KVM On An OpenSUSE 11.3 Server
CA Court Rules Smartphones Can Be Searched Without A Warrant
Switching to Linux (For the Right Reasons)
What the WWF has to learn about FOSS
What the WWF has to learn about FOSS
Jan 6, 2011, 18 :27 UTC (2 Talkback[s]) (1284 reads)
[ Thanks to Hans Bezemer for this link. ]
"In addition, WWF should note that the lack of interoperability is a major contributor to obsolescence. Obsolescence is in the interest of the manufacturers, since it promotes consumerism, which causes many environmental problems if not properly controlled. This initiative is therefore catastrophic. For example, if I want to read a WWF file and I can not get the software required to read it, the only thing I can do is to buy a new computer that does. Because computers are so quickly outdated and consequently so quickly replaced, the ecological impact of these "gadgets" is particularly detrimental."
Complete Story
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Drupal 7 is officially here!
The long-awaited new version of the popular Web content management system and the platform was released today. It represents the hard work of almost 1000 developers (by Greg Knaddison's count) and countless other Drupal community members providing a contribution, your time and effort to test and feedback.
Drupal 7 will be the most user-friendly version of Drupal and yet due to the enormous amounts of work, overhauling the UI a far to create more intuitive user experience. The objectives of this redesign building was to minimize the infamous Drupal learning curve and Drupal Web site accessible for a greater number of people.
Of particular interest to Linux Journal may allow readers of the enhanced database support, the Drupal 7. Help of the modules run Drupal 7 websites on a number of databases, including the always popular MongoDB and others. You can check out Daniel Bartholomew's article about SQL vs. NoSQL or Dreis Buytaert's post on the subject for more about why this is interesting. Ultimately, bigger database support means more options and the ability to create solutions to a variety of projects.
Check out this video of Jeff Robbins for a quick look at Drupal 7
Drupal 7 marketing video from Lullabot on Vimeo.
I'm very excited, be a part of this event and I hope that many of you will join us!
p.s. If you send me email, I give you a special Linux Journal Reader discount code. ;)
A Linux Distribution Especially Designed For Kids
Official Nagios Training Schedule January 2011
Why Linux is Alpha and Omega
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Ubuntu?s Cloud-Init Promotes Customization in the Cloud
Motorola Takes Wraps Off Xoom Android Tablet
What the WWF has to learn about FOSS
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Official Nagios Training Schedule January 2011
Why Linux is Alpha and Omega
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What the WWF has to learn about FOSS
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Official Nagios Training Schedule January 2011
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Switching to Linux (For the Right Reasons)
Switching to Linux (For the Right Reasons)
Jan 6, 2011, 14 :12 UTC (4 Talkback[s]) (2055 reads)
(Other stories by Matt Hartley)
[ Thanks to James Maguire for this link. ]
"So what is my concern about making the switch to Linux in order to save money? These are trying economic times -- wouldn't using a platform without licensing costs make a lot of sense?
"Yes, I am a fan of the cost savings of using open source solutions, but only when coupled with other Linux advantages. Switching merely based on cost savings is almost always going to lead to a massive switch back to the previous platform. Why? Because any hurdles along the way will be seen as a big deal, thus sending those migrating running back to the familiar.
"Instead I think there needs to be more focus on 'control' over how things are running. This means no surprise updates despite disabling this feature, and no concern over lost software copies since the software is readily available from the software online repositories. It also means the benefit of a generally consistent experience regardless of the system the software is installed on."
Complete Story
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DACA could mean fewer bugs in Debian
Each piece has written software bugs. The insignificant, the showstopper are bugs despite the Herculean efforts of the developers. But thanks to a new Debian project, many previously unidentified error can get squashed.
Raphael Geissert, multi-talented Debian developer, has new automated code analysis from recent Debian project. Geissert describes DACA as that.
Automated code analysis helps identify and resolve bugs and other problems in the source code. The project aims to draw users easily distributed access to a variety of tools for improving software quality to give Debian, while the tool developer, a test bed, more visibility and more feedback. This is achieved by running this tool on the entire Debian archive.
It seems to wait for the often delayed publications that is Debian's main goal, stability and error correction, and this impression many outsiders not inaccurate. Debian has worked hard to its reputation as to earn one of the most stable Linux distributions. Get through but even many bugs; many more as some developers can accept. DACA will be from a batch of tool to run tests on the source code Debian packages then reports offer to developers.
The project is just started when the there are only two tools in the box, but many more are planned. The tool is Cppcheck. Cppcheck audits C/C++ code for the actual functionality bugs instead of syntax errors. These are the kind of errors that typically go through compiling process without errors, leading developers to believe everything is fine. Although it is far from complete and new and more comprehensive measures are planned in the coming months and years, it does quite a few controls. Some are out of bounds checking, automatic variables, and memory leaks.
The other available tool is Checkbashisms. As the name implies, it looks for Bashisms, the bash extensions that are not only POSIX compatible. The first round of the reports is available online.
Although the list is now short, grow the number of tools at over twenty. Geissert says the major limitation is, "most are tools CPU-bound, to limit the number of tools, and it takes time to review by the entire Debian archive." He called for bug check reporting false positives, tool evaluation and hardware donations. See his full post for more information.
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CA Court Rules Smartphones Can Be Searched Without A Warrant
CA Court Rules Smartphones Can Be Searched Without A Warrant
Jan 6, 2011, 16 :02 UTC (2 Talkback[s]) (1008 reads)
(Other stories by Ms. Smith)
[ Thanks to Petem for this link. ]
"The California Supreme Court ruled that police can search a suspect?s cell-phone text messages without a warrant, based on past cases where cigarette packs can be searched. A smartphone stores vast amounts of personal data, not even in the same realm as a pack of smokes. In this electronic age, the government moves America closer to a creepy police state."
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Google Linux search suggestions
Google continues to incremental improvements to make the Web search and therefore instant search in 2010 added. For better or worse the accompanying search suggestions can be disabled. This list is intended to save time, but there are also some notes on what other people are looking for.
There's something about the approach I used my Google's search suggestion data clearly unscientific. I have a new installation in a VM use Google, but perhaps what I would have started learning, sought to influence the subsequent proposals. I also left out some more mundane or irrelevant results.
What actually beat the proposals? I'm not sure. What is the algorithm are your usual narrow Dicklippiger even in the Google devs. The only thing that is certain is that this is what Google algorithm thinks that people be expected to continue.
To find the most obvious thing is "Linux" (without quotation marks), and suggestions of "Mint", "Commands", "search" and "Distribution" resulted in.
The first one surprised me a little like mint by far that is most popular Linux distribution. A little go further and actually typing "Mint", produced "debian", "Vs Ubuntu", "Download", would expect one each in accordance with what "Forums", "9" and "10",. Note that I have more than Tickle four proposals contained in the search box by an extra space to produce the keywords to some alternatives could. If necessary, add an "s" as a plural marker, some additional results produced.
Find me also confused. It is quite common, but I was surprised that it was one of the four proposals. I suspect that Googlesuche adds a random factor or considered account of current trends, when the proposals are designed. Sure enough, results nine of the first ten for this combination, in connection with the activity to find out about Linux, rather than the command.
After the distro branch produces generally expected results "Comparison", "Chooser", "List" and "Comparison 2010". I'll be the keyword "Chooser" in the future to consider for SEO optimization.
Adding Ubuntu produces no real surprises. Always looking for controversy tried I add the term "Problem" with a few small variations. This excavated "with NVIDIA", "Booting", "suspend", "with wireless", "Installation", "Flash" and "flash Ubuntu problems". Input "Ubuntu-driver" produced "Wireless", "for wireless card", "for the Dell" and "hp".
Always a bit more specific, I tried "Linux chrome". The proposals were "flash", "Java", "Pdf", "Plugins folder". Once again the importance of flash support for most users emphasized the results.
How about some Linux people? Search for Mark Shuttleworth produced "Blog" "Unity" and "Girlfriend", "twitter". I have two suggestions for the final result. First, in the past Shutteworth one scored some interesting but vague comments about lifestyle aspirations, the challenge of traditional, family oriented goals in life for men. Secondly, it is relatively young, he is successful, and he has traveled in space. No doubt, must have asked a lonely she geek many if it is available. As expected, produces a search nothing under my own name like.
Richard Stallman's place in the history of open source software is safe, but he draws fans and critics alike. Google suggests that people who interested can consider tightening their search parameters by adding "is an idiot", "Xkcd", "Swords" or "Quotes". People want quotes from the great man, although some think he is an idiot. I'll leave it as an exercise for the reader to find the xkcd and "Swords" connection.
Linus Torvalds? Yawn, yawn. "Quotes", "Blog", "C++" and "Biography" are proposals. On the one hand, search masses of people not to evidence, he an idiot, but then nobody wants know whether he has a girlfriend. She is the breaks, Linus...
______________________UK based free writer Michael Reed http://www.unmusic.co.uk/ technology, retro computing, geek culture and gender politics writes. His byline has appeared in several technology publications.
Introduction to RAID
[ Thanks to bryanjrichard for this link. ]
"One of the most common techniques to improve either data reliability or data performance (or both) is called RAID (Redundant Array of Inexpensive Disks). The concept was developed in 1977 by David Patterson, Garth Gibson, and Randy Katz as a way to use several inexpensive disks to create a single disk from the perspective of the OS while also achieving enhanced reliability or performance or both.
"Before anyone erupts and says that RAID does not stand for ?Redundant Array of Inexpensive Disks?, let me start by stating that was the original definition. Over time, the definition has become more commonly known as ?Redundant Array of Independent Disks? perhaps so the word ?inexpensive? isn?t associated with RAID controllers or disks. Personally I use the original definition but regardless, either definition means that the disks are independent of one another. Feel free to use either definition since it won?t change the content of this article. Now, back to our discussion of RAID."
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Behind the cloud Redux
Cloud computing is the hot buzz phrase. But as both Shawn powers and I have no new technology, or even a new implementation of new technology computing cloud is highlighted. But that doesn't mean that it is well understood, either by those who design or are the ones who yells it, then follow the yellow brick road (or the latest edition of PC week). As several anonymous (and not so anonymous) commentators have said, it is only hardware, some good data links and some intelligent coding much more to cloud computing.
Because cloud computing means different things to different people (and at different times of the day), we must be on our terms and conditions clearly. Our friends at Wikipedia define cloud computing as:
Cloud computing Internet-based computing, with shared servers provide resources, software and data to computers and other devices on demand...
This definition works well enough for me, so let us examine it a little deeper. By definition everything Internet based tends not to have associated with a physical or geographical location. For example, when I go the Linux Journal website, I'm not thinking about, Houston, Texas, where the magazine officially. In fact, because actually Houston I think a few of us life, at the Linux Journal page as not everywhere. This is further underlined by the variety of comments from around the world to our musings.
Also, if you are a Googlesuche, an example of cloud computing, you are more likely to the beat to one server cluster is (IP-based), data center than locally on your physical location when they are, will occur to your servers in California (and I assume server in a data center in California you). Two examples - search yields and generic Web sites talking - pretty harmless data. It does not really where the servers are located, and there are no large crushing legal issues in reference to.
But if, for example, the Federal Government (we use the US one since that's where I am, but any Federal Government has the same set of questions) or more importantly, your company, decide, is it on cloud computing, then you can go as IT professionals we must not only part of the process, but we need questions, the tough questions at the beginning, not the day before the switch is thrown.
Cloud computing matters location. And also property. Lawyers must be included. And much careful planning. Here are some things to note: who owns the cloud, you're going to use? Are contracting with a third party for storage or build it from scratch. If local law enforcement show up with an application, the sophisticated data pass, who is responsible for turning this data? When? Under the laws of the State (or country)? Who owns the data paths? Is traffic shaping? How does it all nodes in the cloud? If you work for an international company, response is to say Singapore? Answer it in Virginia or the United Kingdom identical his target? Who is he that is responsible. Can uploaded data (the same in different countries or be downloaded)? (If you think the answer is Yes, you must be really secure and your data view.) (There are a lot of things that cannot be exported.) Is's your data-sharing disk with someone data? There is a chance that someone else, your data with (or without) your knowledge and exposure data, when this happens? And then there are the usual kind of service level agreement questions regarding access, up time, backup and recovery, password, password recovery, management statistics and the other daily minutia, you need it most to keep running.
Behind the cloud is still only computer - not the big and all powerful Oz-(Daten,_Datenverbindungen_und_uns_IT_Profis) but it is certainly much more, that you must consider before you there.
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Italian public University keeps Linux users out of its virtual campus
Italian public University keeps Linux users out of its virtual campus
Dec 9, 2010, 22 :33 UTC (0 Talkback[s]) (978 reads)
(Other stories by Marco Fioretti)
[ Thanks to M. Fioretti for this link. ]
"In november 2010 I discovered the existence of Federica, the tridimensional virtual square? that should be the innovative web-learning system of the Federico II University in Naples. Out of curiosity, I decided to visit it and all I got was a black screen and some perplexities. Some of them, which I described in another page are on the very sense of a website like that, others are more specific. I got a black screen because I use Linux, while (quoting from the University website):"the 3D campus of Federica was implemented with Immersion, the real-time software for 3D visualization and interactive simulation for Windows and Mac OS X platforms entirely developed in Italy by Immaginaria snc.
"In 2008 the Linux User Group of Naples had already defined Free Software in the Federico II University ?a missed opportunity?, because ?students are forced to buy expensive proprietary software and? there are online service like the ESIS exam booking website that are only accessible with Microsoft Windows and Internet Explorer"
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CodeWeavers Releases CrossOver Games 9.2.1
Dec 9, 2010, 23 :33 UTC (0 Talkback[s]) (672 reads)
[ Thanks to Tom Wickline for this link. ]
"Twelve million addicts, err, players cant be wrong. Theres no doubting the draw of World of Warcraft. And today, as Blizzard rolls out its third, much-anticipated expansion to the game Cataclysm, CodeWeavers ensures that Linux gamers can play right along with their PC and Mac brethren. CodeWeavers Linux customers will be able to run Cataclysm as if they were running on Windows with today?s immediate shipment of CrossOver Games 9.2.1."CodeWeavers Chief Operating Officer Jon Parshall vowed that testing of the new CrossOver build would be ongoing. All day at his office. All night at his home. Probably until I hit level 85, Parshall stated. Well, to be honest, probably for a while past that. I actually have six level 80s to get to 85, and Im thinking about leveling up a worgen, too, he continued, referring to the new Alliance race of fearsome werewolves. That?s gonna take quite a while, but its all in the name quality assurance."
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Dec 10, 2010, 03 :04 UTC (0 Talkback[s]) (415 reads)
(Other stories by Silas Brown)
"Commercial Windows programs like CrazyTalk let you turn any image into an animation that lip-syncs to speech audio, so you can create talking characters. In this article, I will outline how to do this using nothing but free Linux tools. The result is more basic but it should be adequate in many cases.
"Step 1: Create about 3 frames in The GIMP
"Start with the image you want to animate in PNG format, preferably at a fairly low resolution so that the face fits in 100x100 pixels or so (which saves you from making too many frames). The face should have a fully-closed mouth initially, so let's call the image mouth-closed.png. Load it into The GIMP (gimp mouth-closed.png) and use the scale drop-down box (on the status bar) to get it up to 400% or 800% zoom so you can work with individual pixels. Scroll the image to the mouth area.
"Enable GIMP's Free Select tool, either by finding it in the toolbox window or by pressing F. This tool lets you draw freehand areas of the image you want to manipulate. For example, you can erase an unwanted background to white by drawing around areas of the background and pressing Control-X to cut them out. However, in this case we want to drag the bottom half of the mouth down, opening it by one pixel, and we'll probably want the inside of the mouth to be black rather than white. Therefore, it is important to set the background colour to black. This can be done, for example, by using the GIMP toolbox window to swap the foreground and background colours."
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The Web on the Console
"Most people think ?graphical interfaces? when they think of surfing the Web. And, under X11, there are lots of great programs, like Firefox or Chrome. But, the console isn't the wasteland it might seem. Lots of utilities are available for surfing the Web and also for downloading or uploading content.
"Let's say you want to surf the Web and find some content. The first utility to look at is also one of the oldest, the venerable Lynx. Lynx actually was my first Web browser, running on a machine that couldn't handle X11. In its most basic form, you simply run it on the command line and give it a filename or a URL. So, if you wanted to hit Google, you would run:
lynx http://www.google.com
"Lynx then asks you whether you want to accept a cookie Google is trying to set. Once you either accept or reject the cookie, Lynx loads the Web page and renders it. As you will no doubt notice, there are no images."
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Wake Your Linux Up From Sleep for a Cron Job
Wake Your Linux Up From Sleep for a Cron Job
Dec 10, 2010, 01 :34 UTC (0 Talkback[s]) (773 reads)
"Here's the latest in our new series on OS tips from power users: a seemingly trivial task. You have a computer, most likely a laptop, that you wish to keep suspended while you're not working. For example, let's say overnight. At the same time, you wish to run a handful of maintenance tasks, like backups and cleanup, which you don't normally do during the day. So you need a mechanism that will send your machine to sleep, wake it up when necessary, run cron jobs, then send it back to sleep again.
"Possible? Well, if it weren't, I would not be writing this tutorial, but it definitely is not trivial. In this tutorial, I will show you how you can do this, in a relatively simple and safe manner. We will check the requirements for the task. We will examine a typical use case. We will discuss the many small-print items revolving around this idea, e.g. why you need to be extra careful with waking from sleep for cron jobs. And we'll do a few other things, besides."
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The Nexus S is Google's New Android Smartphone
The Nexus S is Google's New Android Smartphone
Dec 9, 2010, 22 :03 UTC (1 Talkback[s]) (1031 reads)
(Other stories by Jun Auza)
"If you think that Google has already given up on creating its own smartphones after the not-so-financially-successful Nexus One, think again. Just recently, Google has officially announced the release of Nexus S, the first device to ship with Android 2.3 "Gingerbread". Although Samsung was tasked to manufacture this latest Googlephone, the software is strictly integrated with the hardware and promises to deliver 'pure Google' experience as they say.
"Aside from running the latest and most probably the best version of Android yet, the Nexus S is also equipped with several innovative features. One of which, is its built-in NFC (near field communication) hardware that enables the device to communicate with both existing ISO/IEC 14443 smartcards and readers, as well as with other NFC devices making it compatible with existing wireless infrastructure already in use for public transportation and payment. And since NFC is fast and flexible and can be easily embedded in different kinds of objects, expect to see Android applications that will take advantage of this technology."
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Howto install LTSP in Ubuntu 10.10 (Maverick) � Reuse your Old computers with ou
Howto install LTSP in Ubuntu 10.10 (Maverick) ? Reuse your Old computers with ou
Dec 9, 2010, 20 :03 UTC (0 Talkback[s]) (1129 reads)
[ Thanks to Deepak for this link. ]
"If you Like to use Linux in your Internet Cafe, LTSP is the best solution, You can also reuse your old computers even with out harddisk and also use low cost thin clients. For using old computers, you need some technical knowledge for installing Boot ROMs in your Network card. If you using a newer machine with PXE boot, Just install LTSP server and and set PXE Boot to tour Client."Here i am going to show you, how to install/setup LTSP on top of an already running desktop system
"You need to set up one static network interface where you will attach the thin clients, install two packages and run one command."
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Deep System Discovery on your Linux Server With /proc
Deep System Discovery on your Linux Server With /proc
Dec 10, 2010, 19 :34 UTC (0 Talkback[s]) (181 reads)
(Other stories by Juliet Kemp)
"/proc is a virtual filesystem generated at boot and updated regularly by the kernel. With /proc you can investigate exactly what hardware your Linux kernel sees, what processes it is running, boot options, and also manipulate kernel events.
"With Linux, everything is a file ? and that includes devices, processes, and system information. /proc allows you to take a look at these 'files'. /proc (short for "process filesystem") isn't 'real'; it's a virtual filesystem, generated at boot and updated regularly by the kernel. Instead of storing information on disk, when you look at something in /proc, it fetches the information from the kernel to output as a file. This is great both for system communication (utilities can operate in userspace, rather than in kernel space), and for investigating your system's innards.
"/proc and processes
"If you type ls /proc, you'll see a set of numbered directories. These are your processes: one directory per process ID. Look at your process list with ps -A, and pick one to investigate. (Note that unless you have root/sudo access, you're best off choosing a process that you own.) Here's a sample process from my ps output:"
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[ Thanks to Sam Varghese for this link. ]
"The next release of Debian GNU/Linux, Squeeze, will include support for ZFS using the official installer."This means that Debian will become one of the first GNU/Linux distributions to support the filesystem, according to developer Robert Millan.
"ZFS is a combined filesystem and logical volume manager designed by Sun Microsystems. It is now owned by Oracle."
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Fanless barebone server offers dual-core Atom for $260
Fanless barebone server offers dual-core Atom for $260
Dec 7, 2010, 00 :04 UTC (0 Talkback[s]) (930 reads)
(Other stories by Eric Brown)
"Habey announced a 1U, barebone server featuring Intel's dual-core 1.8GHz Atom D525 processor, starting at $260. Able to run on 25 Watts, the EPC-6566 offers up to 2GB of DDR3 RAM, PCI Express and PCI expansion, dual HDD bays, two gigabit Ethernet ports, plus serial and USB connectivity, says the company.
"The 17 x 9.8 x 1.75-inch EPC-6566 is now available in single quantities at Amazon.com, starting at $260. As a barebone system, it ships without storage, memory, or a pre-installed operating system, but it supports Linux and several Windows versions, says Habey.
"The EPC-6566 is said to be usable as a network video recorder (NVR), or any other embedded application demanding rackmount support, low noise, and low power consumption. The system can run fanlessly with less than a 25 dB noise level, and runs on under 25 Watts, claims the company."
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