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Whether you are monitoring your network to identify performance issues, debugging an application, or have found an application on your network that you do not recognize, occasionally you need to look deep into the protocols being used on your UNIX® network to understand what they are doing. Some protocols are easy to identify and understand, even when used on non-standard ports. Others need more investigation to understand what they are doing and what information they are exchanging. In this article, we will take a look at techniques for performing detailed analysis of the protocols in use on your UNIX network.

The Mutt MUA started in 1995 when Michael Elkins wrote the first version. It's powerful, light-weight, made for CLI, and tends to suck less than do other email clients. It's my MUA of choice, and if you've never used it (or haven't in a while), you may want to give it a try. For the purposes of this little tutorial, I am going to assume that you use Gmail (who doesn't these days?). Another thing, Mutt has many more configuration options than those I will present here, I encourage you to look through the reference and explore more.

Which is better? Microsoft Windows Server or open-source Linux? This debate arouses vehement opinions, but according to one IT consultant who spends a lot of time with both Windows and Linux, it's a matter of arguing which server OS is the most appropriate in the context of the job that needs to be done, based on factors such as cost, performance, security and application usage.

Fragmentation is often cited as a major challenge for the Linux platform and mobile software ecosystem. The word gets thrown around a lot and tends to be used as a catch-all phrase to describe a wide range of loosely connected issues. The rapid growth of the Android ecosystem and the significant number of new Android devices that are reaching the market with heavy software customizations has raised some questions about whether Google's Linux platform is going to succumb to the fragmentation menace. In this article, we'll take a look at what fragmentation means for mobile Linux and how Google's operating system addresses some of the biggest challenges.

Mozilla open source evangelist Chris Blizzard has unloaded on both Apple and Google for abusing the HTML5 moniker, confusing netizens everywhere, and undermining the slow march towards truly open web standards. Blizzard is so peeved at Apple and Google that he even goes so far as to lavish praise on Microsoft for its belated embrace of open standards.

In this article by Anghel Leonard, author of the book JSF 2.0 Cookbook, we will cover the following features of JSF 2.0: 1. JSF 2.0 annotations 2. The JSF 2.0 exception handling mechanism 3. Bookmarking JSF pages with PrettyFaces

Christopher Blizzard thinks Apple's new demos, "entirely miss the point of the web, interoperability, standards and html5." Apple recently released an HTML5 showcase intended to highlight the company's commitment to open Web standards. The demo, which championed the inclusive nature of open Web standards such as CSS3, JavaScript, and HTML5 had one problem –– it only worked within Apple's proprietary Safari Web browser.

One good thing about Linux system is that you can change almost every single aspect of the system. Dislike the dull wallpaper? Change it. Not happy with the default splash screen? Change it. Getting bored of the default panel menu (the place where you access Applications, Places and System)? You can change it as well.

Fifteen years ago today, on the 8th of June, 1995, Rasmus Lerdorf launched PHP with a post to the comp.infosystems.www.authoring.cgi Usenet news group. He announced version 1.0 of his "Personal Home Page Tools", software that was originally intended for managing job applications on a web site. As Lerdorf made the tools available as open source code (originally under the GPL, since version 4.0 under the PHP Licence) his PHP software, written in C, was bound to find a wide audience.

You can use your android for domotics that's a lot of fun and impressive. But here is another way to impress your friends with your phone. There's a scripting environment available for the Android and that makes it possible to run python, which in turn makes it possible to run the python version of stkeys.

Linux' share of the desktop market grew to 1.13 percent, says Net Applications, making Linux the only OS to gain in May. Meanwhile, Linux server revenue share grew to 16.8 percent, says IDC, and Linux is now running on 91 percent of the 500 fastest supercomputers. Linux has soared in recent years in the embedded world, especially with the Linux-based Android giving it a boost in smartphone sales. More fun is on the way, according to ABI Research, which recently projected that Linux-based mobile operating systems, led by Android, will own 33 percent of the global smartphone market by 2015, with a growth rate that is faster than the robust smartphone market at large.

The one area where Google Chrome definitively beat Firefox is on the speed front. Firefox is simply not fast enough. But if speed was the only reason behind your decision to choose Google Chrome instead of Firefox, FasterFox Lite Firefox extension will give you some reprieve.

Not too long back, I highlighted my feelings on KDE, detailing some of its shortcomings and talking about why it’s not necessarily the de facto desktop I’d recommend to people. In this piece, I want to show you that the GNOME desktop has a number of issues that need attention as well. I’ll outline eight areas in GNOME that need to be improved for a better user experience.

Apple Safari's new "make web go away" button is based on an open source project distributed under the Apache 2 license. The Safari Reader – which debuted yesterday with version 5 of the Apple browser — is built using the source code for Readability, an Apache project from Arc90 Labs. In the wake of the browser's release, Arc90 praised Apple for including a tool that mimics its own — a tool that strips a webpage of its ads and site branding, reducing to text and core images — and only later did the outfit realize that Steve Jobs and cult had actually dipped into its code.

If you blinked you might have missed the announcement of the new 2.6.34 kernel. Things have been happening very quickly around file systems and storage in the recent kernels so it’s probably a good idea to review the kernels from 2.6.30 to 2.6.34 and see what developments have transpired.

LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on an Ubuntu 10.04 server with PHP5 support (mod_php) and MySQL support.

There are applications available that turn your android (or your Iphone) into a spying device, these apps upload phone data to a central server without the user noticing it.

Take some of the headaches out of managing sever farms with Cfengine 3. Use this automation introduction to save time, money and spare yourself crippling manual mistakes.

In my last column, I mentioned the idea of disposable HPC. The concept is based on building clusters using low cost nodes (less than $500 each). Because lower cost nodes will run slower and have less cores than the big server nodes, they would need to be smaller and use much less power. They will also need a lowerThermal Design Power (TDP) to accommodate dense packaging designs.

The conventional wisdom about Linux is that it isn’t owned or created by any one company, but instead a whole group of players that give and take as needed. That said, there are several major companies that are readily identifiable as the biggest corporate sponsors of Linux, who market Linux most directly to enterprises, and who are in many people’s minds synonymous with Linux in both the server and desktop markets.