Monday, September 29, 2008

Live DVD for Linux Games


lg-live is a live Linux DVD pre-installed with some of the top linux games out there. You just boot from your dvd, select your game and start playing. As simple as that.


Minimum requirements for the games to run:


- AMD 1800+

- 512MB ram

- ATI Radeon 8500 (NVIDIA GeForce3)


The liveDVD itself is based on ArchLinux and comes pre-loaded with 13 popular Linux games, and more are planned for future release. Some of the games currently available are:


Astromenace is a brilliant 3d scroll-shooter allowing you to feel the adrenalin rush of a fierce space battle against relentless swarms of alien invaders. Immerse into a decisive battle against tons of cunning foes, face the terrifying bosses and protect your homeland throughout 15 diverse levels of the game. The hardcore gameplay of AstroMenace, packed with pure non-stop action, will become a full scale test for your basic instinct of survival.



Battle Tanks is a funny battle on your desk, where you can choose one of three vehicles and eliminate your enemy using the whole arsenal of weapons. It has original cartoon-like graphics and cool music, it’s fun and dynamic, it has several network modes for deathmatch and cooperative — what else is needed to have fun with your friends? And all is packed and ready for you in “Battle Tanks”.


Glest is a real time strategy game which is freely available. The game is settled in an ancient world, where technological and magic factions compete with each other.


Nexuiz is a completely free 3D first-person shooter game. It uses DarkPlaces which is a highly modified version of the well known Quake engine. It is based on quick and hard battles with well balanced waepons which made the FPS genre that successful. You can fight online or against bots with currently 9 weapons on 24 nice designed maps in a futuristic style.


Get a complete list of games available and planned for future releases, here.










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Improving Boot Time on a General Linux Distribution

Mandriva has done quite a lot of work on optimizing boot speed for its latest release, Mandriva Linux 2009. Frederic Crozat (head of the French engineering team) has written a blog post summarizing Mandriva's past work on this front, and the tweaks and improvements made for 2009. It shows that close analysis of inefficiencies in boot, and fixing 'small' bugs, can result in gains as large or larger than 'big picture' items like new initialization systems.


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Short Tip: Kill all user processes


shell.png

I use the kill command quite often to kill processes left over - the most common usage is actually when I log into a machine via ssh -X and start a KDE 3.5.x program. Quite some processes will remain running afterwards (dcop, kdeinit, etc.) and will not shut down for quite some while.


I’m used to ps -aux|grep kde in such a case to get the process numbers and kill these with kill -9 PID usually, but for several processes this might take some time. It’s faster to kill just all processes which belong the the user of the kill signal:




kill -9 -1

Keep in mind that you will also kill the konsole you are in right now!


Yet again a tip to make an every day job just a little bit easier. )


      


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Postfix Stress Test with smtp-source and top

Testing Load with smtp-source and top

In order to evaluate the load on your box you can run smtp-source and combine that with snapshots of top to evaluate the load on the server. Now open two terminals and in one run the smtp-source command and in the other snapshots for top.



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Sunday, September 28, 2008

Linux Kernel Magic SysRq Keys in openSUSE for Crash Recovery

SUSE & openSUSE: "The Linux Kernel offers you something that allows you to recover your system from a crash or at the least lets you to perform a proper shutdown using the Magic SysRq Keys. The magic SysRq key is a select key combination in the Linux kernel which allows the user to perform various low level commands regardless of the system's state"


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Defining the “Unit” in Unit Testing

“Hey, Ben. We just figured out a great way to manage test-driven development and good database design.”, said an enthusiastic developer using Extreme Programming (XP) practices on their project. “Our application is highly data-centric. Therefore, in the first iteration we design the database schema modifications and create tests to validate all of it’s implementation characteristics. The next iteration we build the data access layer and business services on top of the database modifications. This has allowed us to design the database correctly before developing code around the wrong data model. What do you think about this approach?”

Ben is an agile coach who checks in with this team from time to time. He likes the fact that this team has continually looked for improvements in the way they develop software. In this case Ben sees a potential issue and so he asks a question, “What do you deliver to the customer at the end of your first iteration?”.



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The Mother Of All Urban Legend Chain Emails And A Little Something For Star Trek Fans

Everyone Hates A Chain Email. Here's The Mother Of Them All!



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Visa to develop applications for Android, Nokia phones

Visa wants to become a part of your mobile phone, working with Nokia on realizing mobile payments and also announcing services for Google's Android platform.


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5 Things That Make Linux Great

Ken Hess's Linux Blog: "Have you ever heard of or considered using Linux? Here are five reasons to give it a look for your desktop or server."


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The 14 best Linux Distros

Given the number of Linux distros out there, how did we pick just 14? Some were obvious; the likes of Slackware and Debian have been around since Linus was in short trousers. SUSE, Fedora, Mandriva and Ubuntu are similarly too significant to ignore. What about the others? To survive, a distro must have something to offer – a large userbase, unique


Digg Story Here

New Approach To Malware Modifies Linux Kernel

Hugh Pickens writes "Professor Avishai Wool has unveiled a program to watch for malware on servers with a modification to the Linux kernel. 'We modified the kernel in the system's operating system so that it monitors and tracks the behavior of the programs installed on it,' says Wool. Essentially, Wool says, his software team has built a model that predicts how software running on a server should work (pdf). If the kernel senses abnormal activity, it stops the program from working before malicious actions occur. 'When we see a deviation, we know for sure there's something bad going on,' Wool explains. Wool cites problems with costly anti-virus protection. 'Our methods are much more efficient and don't chew up the computer's resources.'"

Read more of this story at Slashdot.




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Business Skills? B*llocks!

Every couple of months, for as long as I can remember, an article similar to this has been published. These articles always proclaim that "IT skills aren't the most important thing anymore" (paraphrased), and go on into long detailed descriptions of the type of person who's perfect to hire; "businesses want someone who knows the business", etc.

There is a serious downside to these point-of-view. It's bollocks. It's a complete nonsense, for several reasons, which I shall explain...



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VLC goes to nine point two

Sometimes I get the feeling that I only know about 5% of what VLC can do. Everyone knows it's a dependable, free, cross-platform media player. But read through the release notes for the latest version, 0.9.2, and you will see a dizzying array of server, network streaming, and conversion functions,



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Never Installed a Firewall on Ubuntu? Try Firestarter.

A modern Linux firewall. Security does not have to be complex, and simplicity does not have to mean sacrificing power. With Firestarter you will have a firewall up and running in minutes.


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SugarCRM's Chris Harrick on the Malleability of Open Source


David Sims of Customer Inter@ction Solutions recently had the opportunity to speak with Chris Harrick, vice president, corporate and product marketing, SugarCRM about what's going on with open source CRM. The conversation covered such topics as how open source programming works, how companies make money supporting open source software and the advantages of open source vs. proprietary software. "Open source promotes more flexibility and control over how the application is installed, customized and used," Harrick said.


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Becoming a Free Software Developer, Part V: When and Where Did You Learn?

Free Software Magazine: "In my last article I talked about how interest leads people to program. Then life rose up behind me like a giant Doberman pincer and bit me on my backside; so, I didn’t think of programming for over four months. However, just this week something happened that made me want to program again."


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Venezuela Purchases a Million Intel Classmates

An anonymous reader submits news of the million-laptop order from Venezuela of Intel's version of the kid-friendly laptop. The computers are produced in Portugal. "The machines, rebranded 'Magellan,' will also come with Linux pre-installed as opposed to Windows XP. This order alone is 50% bigger than the entire OLPC project has managed to sell worldwide."

Read more of this story at Slashdot.




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Devil-Linux Bundles Router/Firewall And Server in One CD

Devil-Linux might sound hellish for a Linux distribution, but this live CD offers many blessings for your server needs. Originally developed as a router/firewall distribution, Devil-Linux has expanded its functionality to include nearly every service that a server might offer. It can function as an LDAP server, a VPN server, an email or file server


Digg Story Here

Creating your own code swarm

This is a little guide on how you can create your own code swarm. Code swarm shows the history of commits in a software project. The visualization looks something like this



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CNET: Chicago Mercantile Exchange joins the Linux Foundation

Matt Asay expresses excitement that CME has joined the Linux Foundation.



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Backtrack 3 on SD Card for the EEE PC 901 & 1000H

Andrew Chapman Dot Net: "With the advent of people installing a myriad of operating systems on their EEE PC's, I recalled a fairly popular distro of Linux in my travels, Backtrack 3."


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Saturday, September 27, 2008

Interview with Daniel Oliveira from the UTUTO project in Argentina

The UTUTO Project is a non-profit volunteer organization that incubates other free software/knowledge projects from Argentina. They maintain a GNU/Linux distribution all translated to Spanish, they keep their own packages repository and you can search for packages on their site. The UTUTO community also maintains various documentation projects as well as a multimedia server.



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Red Hat HPC Linux Cometh

Slatterz writes "Red Hat will announce its first high-performance computing optimised distro, Red Hat HPC, on 7 October. The distro is a step forward from the current Red Hat Enterprise Linux for HPC Compute Nodes. A part of the new distro is, by the way, created by a small Project Kusu team in Singapore. Kusu is the foundation for Platform Open Cluster Stack (OCS) which is an integral feature of Red Hat HPC. It might be sign of things to come, as more of hardware and software development moves to the Far East — even top-of-the-line computing performance."

Read more of this story at Slashdot.




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Creating the Perfect Media Player in Java - Part 2 (or 3)

OK, redesign, redesign and another redesign, that is what designers do until all pixels makes sense. Anyway, no biggies but the devil is in the details and a there were a lot of details that I didn’t like. Go and look at part 1 and part 2 to see the old screenshots for comparison.



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Guide Through the Linux Sound API Jungle

Lennart Poettering, main programmer of the PulseAudio project, has written a 'Guide Through The Linux Sound API Jungle': "At the Audio MC at the Linux Plumbers Conference one thing became very clear: it is very difficult for programmers to figure out which audio API to use for which purpose and which API not to use when doing audio programming on Linux. So here's my try to guide you through this jungle."


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How to Hit the Job Fair Without Pounding the Pavement


As travel expenses escalate and budgets shrink during this economic slowdown, businesses are finding ways to "do more with less," according to Brent Arslaner. As vice president of marketing at Unisfair, Arslaner says the concept of virtual conferences is "starting to catch on." Unisfair bills itself as a virtual event solution that combines the best of the WebEx, LinkedIn, and Second Life worlds for business professionals. According to FactPoint Group research, these virtual events are now 50 percent to 80 percent less expensive than their physical counterparts.


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Tip: Easily Enable Syntax Highlighting in Nano Editor

TuxArea: "Nano is one of the most lightweight and user-friendly text editors for command-line."


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GnuCash 2.2.7 released

«The GnuCash development team proudly announces GnuCash 2.2.7 aka "Dates'n'Prices", the seventh bug fix release in a series of stable releases of the GnuCash Free Accounting Software...»



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CPU module has FPGA onboard

TQ Components released a 2.95 by 2.4-inch computer module with a Freescale i.MX31 SoC (system on chip) and Altera FPGA (field programmable gate array). The TQMa31 runs Linux, with 256MB of RAM, 1 GB of flash, plus CAN, I2C, SPI and serial interfaces, says TQ.


Complete Story

CPU module has FPGA onboard

TQ Components released a 2.95 by 2.4-inch computer module with a Freescale i.MX31 SoC (system on chip) and Altera FPGA (field programmable gate array). The TQMa31 runs Linux, with 256MB of RAM, 1 GB of flash, plus CAN, I2C, SPI and serial interfaces, says TQ.


Complete Story

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