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The grep command is a hugely powerful way to search through files. Like many command line utilities, once you're comfortable using it, you will discover that it is surprisingly fast and accurate. However, many Linux users only bother to learn one or two grep options and then use them as a kind of one-size-fits-all approach to searching. A little time spent learning what grep can do will pay dividends – and there's nothing more satisfying than knowing exactly how to use a command to find something in a jiffy.

Desktop applications for 'Information Management' that go beyond conventional card-index style databases are hard to find. The ideas behind such software are perhaps not that well known, so a prototype program, Knowledge, has been developed to put them firmly into the public domain.

We have to face it. Linux isn’t going to win the desktop war any time soon, but perhaps we don’t need to. With products like MeeGo and Android, Linux is going to complete its domination of the embedded space, and find itself in every single home.

A few of us here at MTE have a bit of a crush on Chrome OS. It’s not just the system itself, it’s the fact that someone is finally taking the concept of an operating system in a new direction. We wrote a brief synopsis of Chrome OS shortly after the first announcement that showed how things stood at the very beginning, then more recently did a manual build guide. Building Chrome OS from source code can take several hours, and can be a somewhat challenging process even for an experienced Linux user. To help solve that problem, some developers have begun releasing custom Chrome OS builds with included installers and software tweaks. This guide will show you where to find the images and how to get the latest Hexxeh release, Flow, on to your netbook or VM from a Linux host.

In the early hours of June 18 the Electronic Frontier Foundation and the Tor Project released a beta of a Firefox extension dubbed “HTTPS Everywhere” with the intention of providing encryption of user data when visiting certain sites. According to the official announcement, “HTTPS Everywhere” will provide SSL encryption to sites like Google Search, Wikipedia, Twitter and Identi.ca, and Facebook.

Oh the Cloud OS which ever so beautifully floats above the heads of corporate America as the ultimate dream of power and money. It's a chance to truly run the show from entertainment to business and personal information while still being able to advertise whatever they want at their own freewill since we have so eagerly sacrificed our own for what appears to be convenience and mobility of programs and files; All being hosted and housed by our ever so friendly, understanding and ethical corporate entities that we are all familiar with today.

For many enterprises, the server OS presents a quagmire: They don't want to pay too much for the server OS on which they rely, but at the same time, they don't want their server OS makers going out of business. The big question is whether there's enough money in open source software to build strong and stable enterprise OS makers. If you run your business using Microsoft's Windows server OSes, then you really don't have to worry. The Redmond giant is rolling in cash thanks in no small part to the high prices it charges for its desktop and server OSes and the client access licenses it requires to connect one to the other.

In creating Ubuntu Linux, Canonical has focused on ease of use, and this extends to the install procedure. To this end, Ubuntu eschewed many of the detailed questions that had discouraged potential Linux users of an earlier era. However, despite relative improvements in that area, the installation is still peppered with questions. This means that an admin tasked with the deployment of more than three or four computers is doomed to spend an entire morning dashing around, typing in responses to the same questions over and over again.

This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database that Postfix uses.

An update in Ubuntu 10.10 Maverick Meerkat today brings a changed look for the main Ubuntu Software Center panel. The main view was completely redesigned: the category buttons are now smaller, the Featured category was moved to the bottom and it doesn't have the next/previous buttons anymore. Also, a new category called "What's New" was created - this will be the category where the new applications from the extras.ubuntu.com repository we were telling you about will be available.

Two months ago we published our initial benchmarks of LLVMpipe, the Gallium3D driver that accelerated commands on the CPU rather than any GPU and unlike other Linux software rasterizers is much faster due to leveraging LLVM (the Low-Level Virtual Machine) on the back-end. Since then we have published new ATI Gallium3D driver benchmarks and yesterday put out Nouveau Gallium3D driver benchmarks, so today we are providing updated LLVMpipe driver results to show how well Gallium3D's LLVMpipe driver can accelerate your OpenGL games with a modern processor.

First came Android, the mobile OS. Then came the first Android phone, the G1. Then came the Nexus One, the first true gPhone — Google top to bottom. And it just kept going from there. Today, not yet three years into development, Android is available on dozens of devices, from phones to e-readers to netbooks and more. It's taken the #2 spot in the mobile OS world — well ahead of the "unkillable" iPhone — and reportedly is slated to take on Apple's other hot toy of the moment. Given the explosive growth and variety of devices sporting the OS, it comes as little surprise when a manufacturer announces they have a new Android offering in the works. Unless, that is, if the manufacturer is a networking giant and the announcement comes out of nowhere.

As we reported last week, Red hat has just reported another robust financial quarter--one of many achieved in a row. Earnings came in at 15 cents a share, or $24.1 million, compared to 12 cents a share expected by analysts, on total revenue of $209.1 million. Once again, Red Hat not only maintained its key subscribers but grew subscriptions and renewals.

Intel is working on a fully native x86 version of Android 2.2 and plans to ship its version of the Google-backed mobile operating system to developers in the next two months. Given how slowly Android 2.2, codenamed "Froyo," has come to market, that would make x86 one of the first platforms to get the Linux-based OS. Android had originally been written for ARM-based processors, which are in use in the vast majority of smartphones -- including all of the major HTC Android phones and Google's Nexus One, the only phone now running Android 2.2.

MontaVista Linux and Robert Bosch Car Multimedia have signed an agreement that will enable Bosch Multimedia to use MontaVista software as their Linux based solution to the high cost of running proprietary software on their infotainment systems.

Many smartphone users can't seem to like their own phone without putting down other phones. Personally, I didn't really compare myself to any other phone user and I'm still liking my Android well enough. Here's why.

We would all like to think that, since we are using Linux, we will never really need a backup of our data. Now, let's look at this realistically. Even if your OS is 100% rock solid, with nary a nanosecond of downtime, that hardware running that OS can not possibly give 100% forever. Add to that the irresistible urge to upgrade hardware and you have the serious makings for the need to back up.

Columbus, Ohio -- June 29, 2010 -- Bring your A Game and pitch a proposal that will help educate and entertain the masses at this year's Ohio LinuxFest. The organizers have extended the call for presentations until July 7th to ensure the best possible selection of talks for this year's Ohio LinuxFest.

Beyond the actual service of solving your technology issues immediately, Linux consultants should do two extra things that provide you with the best return for your investment. These two issues make the difference for your company in the long run.

At first glance, Red Hat has three prime opportunities for partners — involving Linux, middleware and virtualization. But take a closer look and you’ll realize not all of the opportunities are created equally. Here’s a deeper dive.