command-not-found is a special package in ubuntu that give you some extra information when you type a command that is not installed on the command line. It will look inside the package database and suggest a possible package to install so that the command can be run. command-not-found is installed automatically when you install ubuntu 9.04.

Just switched from Windows and still a bit scared about the command line? You shouldn't be! The command line is a very powerful, fast and intuitive tool to get things done without clicking buttons and navigating through windows.

In this tutorial I will show you several simple ways of creating ISO images with Ubuntu, from doing it with graphical applications included in the repositories or by using just the command-line. Each method below will get the work done, and you can start burning your images to a CD or DVD in no time.

There are several command line feed reading applications that are available. One of these is called Snownews.

Most recent Linux distributions will have Snownews in their software repositories, so to get it installed, simply use your distro’s package management program to find and install the snownews package.

Just about every Linux distro comes with a variety of programming tools. Some automatically get installed when you install Linux, and others are available in the distro's package repositories. But, what if the development tools that come with your distro don't do the job for you?

e Ubuntu Linux distribution now includes virtualisation software Parallels in its partner repository. The move by Canonical, commercial sponsors of Ubuntu Linux, is a first for Ubuntu as Parallels is a commercial package and not free to use. However, by including Parallels in the partner repository Ubuntu users are able to easily install it should they want to use it. Installing Parallels using the Ubuntu package management tools will make it much simpler for users to install the software rather than installing from the command line.

There are thousands of programs available to install on Ubuntu. These programs are stored in software archives (repositories) and are available for installation over the Internet. This makes it very easy to install new programs. It is also very secure, because each program you install is thoroughly tested and built specifically for Ubuntu.

If you use the Ubuntu Personal Package Archives (https://launchpad.net/ubuntu/+ppas) then forget about opening /etc/apt/sources.list to add a repository; in Karmic, use the new add-apt-repository command. For example, to add the repository for the chromium browser...

In the last article I talked about simple command pipelines, one of the features that makes the Linux command line so powerful and so worth learning. So if you want to get comfortable using the command line, here are some tips that will make it a lot easier.