Bradley Kuhn makes a better world through software freedom

Bradley Kuhn is one of the founding team members of the Software Freedom Law Center, and a longtime advocate for the cause of Free Software. Many consider him one of the most influential voices in the worldwide FLOSS community. Kuhn, formerly the executive director of the Free Software Foundation, took some time recently to catch us up on his latest work.

So What Is The Linux Kernel?

While we hear so much about Linux and the Linux Kernel, what exactly is the Kernel and what does it do? In summary the Linux Kernel is the interface between the operating system and your computer hardware. It is the core of any computer allowing the operating system to control a number of different functions and is the most vital part of any operating system - without which your computer would not operate.

rpl - A Find & Replace Terminal Tool

Tonight I have mainly been working on Whird. I have been rewriting large chunks of code in an effort to optimise a bunch of functions. As a result of this, I had to change a series of strings in a number of files.

Power Management on Linux, Part 2

In part 1 of this series we learned how to measure how much power our systems are using, both hardware and software, and some tricks for reducing power usage without degrading performance. Today we're going to dive into the world of power management on laptops: ACPI, APM, hard disk spindowns, and spinups.

Give Me 3 Synths

In my next three articles I'll profile three native Linux software synthesizers (a.k.a. softsynths). I'll introduce their basic synthesis architectures and program operations, then I'll guide my readers briefly through the process of creating a new sound for each synth profiled. Our voyage begins with Nick Dowell's Analogue Modeling SYNTHesizer, better known as amSynth.

Install Fonts in Ubuntu 8.04

Due to GVFS replacing GNOME-VFS in the GNOME desktop environment, in Ubuntu 8.04 my preferred way of installing fonts doesn’t work anymore. In GNOME versions prior to 2.22 you could navigate to fonts:// in the file browser and drag and drop to install fonts. Doing this in Ubuntu 8.04 gives the error: Nautilus cannot handle fonts: locations

New Inkscape 0.46 is good news

Version 0.46 of the open source vector graphics editor Inkscape is out, showcasing new tools, new effects, new filters, and a host of interface and speed improvements.

Ubuntu Human Theme for the iPhone

A member of several Ubuntu collaboration teams, including Ubuntu-Artwork has recreated the ubiquitous Human Theme for the iPhone. He plans on updating it for a simultaneous release with Hardy Heron. I was able to catch up with the creator and ask him a few questions.

A Lightweight WebKit-based Browser

Midori is a GTK web browser that uses the WebKit rendering engine. It’s nowhere near as polished, feature-rich, or stable as browsers like Firefox and Konqueror, but Midori is certainly usable. It is renders most websites perfectly, and even works with Gmail.

Updating Ubuntu Images With Jigdo

Well its that time again, the Ubuntu community is just about ready to launch another fantastic release and with that release the worlds interweb tubes are going to get clogged as everyone upgrades.  It’s about this time that I always start thinking about ways to be more efficient with my bandwidth.

Ubuntu takes early lead in open source census

Early results in a study that aims to track open source installations in business has seen Ubuntu and Firefox race to the top of the charts.

Announcing the Release Candidate for Ubuntu 8.04 LTS

The Ubuntu team is pleased to announce the Release Candidate for Ubuntu 8.04 LTS (Long-Term Support) on desktop and server.  Codenamed “Hardy Heron”, 8.04 LTS continues Ubuntu’s proud tradition of integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution.

My kids Top 6 Linux games

We are leaving for a short vacation week, I’ve been begged not to leave my laptops at home. Here are the reasons why:

Mayanna: A Unique Desktop Organizer for Gnome

Previously I’ve written about Gimmie, a desktop organizer and panel for GNOME designed to allow easy interaction with the things you use on your computer. Some of it’s developers have forked the project, and created Mayanna. It’s a young project, so I had to compile from source to try it out. Here’s a look at Mayanna revision 23, read on to the end of the post if you are interested in compiling it yourself.

What's the right filesystem for your portable backup drive?

So you just bought an external hard drive for backups. Now, with what filesystem should you format it? Ext2? FAT32? No matter which one you choose, there are trade-offs to consider.

Sync Wireless iPhone with Amarok

The following guide allows you to wirelessly sync an iPhone with Amarok in Ubuntu 7.10, including adding, editing and playing songs and playlists. Note :- it requires a jailbroken iPhone.

Broadcast your music with Icecast

You can stream your music collection to the whole Internet from your favorite Linux distribution. Take some playlist files, add in the functionality of the Icecast server, and you have your own Web-based radio stream. Use it to listen to music remotely on your home machine, or tell your friends and become the next Internet radio phenomenon.

Ubuntu Open Week Mon 28 April 2008 - Sat 3 May 2008

The always popular Ubuntu Open Week returns this month and we welcome everyone from all walks of life, distros, skills, opinions and curiosities to come along and get involved. The aim of the week is to help grow the Ubuntu community, and we have an awesome set of topics ready for you to attend. If you’ve considered getting involved in Ubuntu and don’t know where to start, thent his is a great opportunity to jump in.

The Ubuntu Open Week will take place from Monday, 28 April to Saturday 3 May on #ubuntu-classroom on Freenode.

Shuttleworth starts countdown to Ubuntu 8.04 release

The next red-letter day for Ubuntu fans will be April 24, when Ubuntu 8.04 LTS (Long Term Support) arrives. Mark Shuttleworth, the CEO of Canonical, the company behind Ubuntu, guarantees that the next version of the popular Linux distribution will make it on time, with something for enterprise, desktop, and Internet users.

Import/Export GPG key pair

This tutorial will show how you can export and import a set of GPG keys from one computer to another. This way, you can sign/encrypt the same way one different computer.

Bringing chat to the browser with JWChat

JWChat is a Jabber instant messaging client that is written using only HTML and JavaScript. This means that you need not install a Jabber instant messaging client in order to use Jabber, assuming you already have a Web browser installed. A Jabber client that runs in a Web browser could be just the ticket for such uses as providing instant messaging to visitors to your Web site.

More Productive Window Management in GIMP

It can be annoying how the GIMP image editor’s image and toolbox windows are separate, if all of them are hidden behind another window you have to bring not only the image to the front but also the toolboxes. This could work much more productively, why not show all the toolboxes whenever a image is in the foreground?

Install Ubuntu Linux from USB Stick

This tutorial describes how to install Ubuntu by copying the contents of the installation CD to an USB memory stick (aka flash drive) and making the stick bootable. This is handy for machines like ultra portable notebooks that do not have a CD drive but can boot from USB media.

A GNOME-based Desktop on Demand

Desktop on Demand (DOD) is the latest contender to give users a full-fledged remote desktop instead of Web-based applications to help users to stay productive when they are on the move. Similar to Ulteo (which we reviewed not long ago), DOD gives you a full-blown remote Linux-based desktop -- but that's where the similarity ends. Unlike Ulteo, which is based on the VNC protocol and runs entirely in the browser using a Java-based applet, DOD employs the NoMachine NX technology for accessing the remote desktop.

Setting Up An Iptables Firewall On Ubuntu With Firehol

Everybody, who tried to configure an iptables firewall knows, that it can be quite a PITA. firehol is a tool that helps us to configure iptables according to our needs. In this How-To, I will discribe how to set up an iptables firewal using firehol that only allows SSH and ICMP (the protocol responsible for ping and traceroute). Also, only incoming connections are filtered, and outgoing connections are allowed.

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