Open Source versus Business Models

Network World is running a guest article Open Source Software Licenses versus Business Models by Outercurve Foundation’s technical director Stephen Walli discussing how FOSS license choice can affect a company’s business model. In Open Source Software Licenses versus Business Models article Walli disagrees that a FOSS license dictates the business model or that the business

Ubuntu now fits in your phone

My earlier blog posting Ubuntu Linux for Smartphones from 2011 reported Ubuntu Linux heads to smartphones, tablets, and smart TVs. Canonical plans to compete against Android, iOS and Windows on the smartphones. Now Canonical has something to tell on smartphone sector: Canonical unveils Ubuntu phone OS that doubles as a “full PC”. Ubuntu now fits

Convert DOS Newlines CR-LF to Unix/Linux Format

HowTo: UNIX / Linux Convert DOS Newlines CR-LF to Unix/Linux Format article tells how you do that conversion with command line tools. Sure editors like Notepad++ can do it also (Edit-EOL Conversion-UNIX/OSX format), but there are cases where you don’t have such tools on hand when you need the conversion most. One of the simplest

How One Teacher Built a Computer Lab for Free article How One Teacher Built a Computer Lab for Free tells an interesting story. The problem? An underfunded school needed computers for the classroom. Budget? $0. How One Teacher Built a Computer Lab for Free article tells how just one sixth-grade teacher got those computers at that budget. In 2007, Robert acquired 18 donated

Linus Torvalds wins Tech’s ‘Nobel’

Linus Torvalds Splits Tech’s ‘Nobel’ With Stem Cell Pioneer. What do Linux and stem cell research have in common? Answer: They’re both considered “life-enhancing technical innovations” by the Technology Acadamy Finland, a foundation that is awarding a prestigious award called the Millennium Technology Prize in Helsinki yesterday. Linux creator Linus Torvalds (King of Geeks) and

Three Ways to Web Server Concurrency

A Web server needs to support concurrency. The server should service clients in a timely, fair manner to ensure that no client starves because some other client causes the server to hang. Three Ways to Web Server Concurrency article tells that multiprocessing and multithreading, and hybrids of these, are traditional ways to achieve concurrency. Node.js

Making Ubuntu Linux better for tablet

My friend Henri Sundelin told few days ago that that he had became tablet-crazy and decided to get himself a proper tablet. Not those proprietary iPad or Android stuff, but a real computer. Ubuntu (Precise) on Samsung Slate 7 article tells that the Windows 7 that came with it was a truly poor excuse for


Packet capture is one of the most fundamental and powerful ways to do network analysis. If you think that tcpdump has been made obsolete by GUI tools like Wireshark, think again. Wireshark is a great application; it’s just not the right tool for the job in every situation. tcpdump uses a “one-off-command” approach that lends

WANem network emulator

There are many cases when need to emulate various networking conditions and scenarios. Usually the most practical way to test the application on different networking conditions is to use some kind of WAN emulator that lets you control the various networking characteristics. WANem is a free WAN emulator suitable for this task. WANem allows the