Linux Leaders: Debian and Ubuntu Derivative Distros

Thursday Mar 3rd 2011 by Bruce Byfield
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Ubuntu and Debian have enormous influence in the Linux world due to the many distributions based on them.

By any standard, Debian is the most influential Linux distribution ever. Not everyone uses Debian, but, both alone and second hand through Ubuntu, it is the source of more derivative distributions than any other.

How influential is Debian? One indication is that three of the four most frequently downloaded distributions on Distrowatch are based on Debian: Ubuntu, Mint, and Debian itself. Together, these three account for 49% of the top ten downloads. Assuming that these downloads are representative of the interest in Linux, just under half of anybody's experience with the operating system comes through Debian or a distro based on Debian.

Or, to give a different metric, of the 323 currently active distributions listed on Distrowatch, 128 are based on Debian, and another 74 on Ubuntu. In other words, just under 63% of all distributions now being developed come ultimately from Debian. By comparison, 50 (15%) are based on Fedora or Red Hat, 28 (9%) on Slackware, and 12 (4%) on Gentoo.

Given these figures, it is not surprising that Debian should have its Derivatives Front Desk and Ubuntu its Derivatives page to track their relationships with other distributions. As incomplete as both these efforts at keeping track currently are, they are still additional proof (if any is needed) of Debian's and Ubuntu's far-reaching influences.

Start scanning the lists of derivatives, and you will find something for everybody, from general purpose deskstops, Live Media, alternative interfaces, netbooks and other platforms to compact installations, localizations, security and privacy, and multimedia.

General Purpose Distributions

Debian was the last of the major distributions to get a user-friendly installation. To fill this gap, many derivatives sprung up, including Libranet, Stormix, Progeny, Linspire and Corel, all of which became defunct long ago, due to major changes in the Debian Installer and to Ubuntu's basic installer.

Today, the main survivors of these distros are the commercial Xandros, which began with the Corel code and later purchased Linspire's assets, and MEPIS, a KDE-centered distro that continues to advertise itself as simple and easy to use.

These survivors are joined by Linux Mint. Linux Mint's main advantage over Debian and Ubuntu is that it installs proprietary enhancements such as Adobe Flash as part of its standard installation. Available in both Debian and Ubuntu editions, Linux Mint also offers a wide variety of desktops, ranging from the standard GNOME and KDE to lighter weight alternatives such as Fluxbox, Xfce, and LXDE.

Another all-round distribution is gNewSense. Its main claim to fame is that it is a completely free distribution that carries no proprietary software whatsoever. In fact, of all the free distributions recognised by the Free Software Foundation, it is by far the most polished and usable.

Live Media

One of the oldest derivatives is Knoppix, which is also a pioneer of Live Media -- CDs or DVDs from which you can boot a computer without accessing the hard drive for secure computing or for demoing software. For many, Knoppix remains an essential tool, especially as a rescue disk.

In fact, Knoppix is so popular that it has evolved its own derivatives. These derivatives include kademar and KnoSciences, both of which have more extensive hardware support than Knoppix, the clearly named STD (Security Tools Distribution, and VMKnoppix, a sampler of virtualization alternatives. Like Knoppix itself, these third-generation derivatives can be used from an external drive or installed on a hard drive.

Alternative Interfaces

Debian has a long tradition of including alternative desktops and window managers in its repositories. Similarly, Ubuntu includes a class of what it calls "recognized derivatives" that it considers part of the project, and which includes Kubuntu (KDE) and Xubuntu (Xfce).

However, these are by no means the only interface alternatives. If you install Bodhi, you can work in Enlightenment, the window manager that borders on being a desktop. Alternatively, Damn Small Linux and the dormant Fluxbuntu both use Fluxbox as a window manager. If Fluxbox doesn't fit your needs, then perhaps CrunchBang and Openbox might instead. Still another derivative that has received considerable attention in the past year is Lubuntu, which uses the lightweight LXDE desktop.

Netbooks

Although they have not been universally popular, developing a desktop for netbooks has been a main concern in free software for the last few years. Of course, Ubuntu itself is developing the GNOME-based Unity for its main interface, a project that was originally called Ubuntu Netbook Edition, but you can find no shortage of netbook-centered derivatives, either.

Most of the netbook-centered choices are based upon Ubuntu, and emphasize social media and cloud computing. They include Aurora (formerly Eeebuntu), Easy Peasy, and Jolicloud.

Details of the interfaces differ, but many of these netbook designs feature a simplified desktop, often with the main menu replaced by large buttons on the desktop, or with panels down the left side of the screen, moved there to take advantage of the extra horizontal space on wide screens.

Other Hardware Platforms

The history of Debian and Ubuntu is riddled with derivatives that briefly attempted ports to other hardware platforms before being discontinued. These include BlackRhino, which ran on Sony Playstation 2, and a number of derivatives designed to run on Openmoko's Neo Freerunner.

Today, the leading derivatives for other hardware platforms is Mythbuntu. An official Ubuntu derivative, Mythbuntu is designed for MythTV, as its name suggests.

Embedded choices include Voyage and EmDebian, as well compact installations (see below).

Compact Installations

Distributions with a small installation footprint are popular for use with older or embedded systems, or among those for whom speed in computing is everything.

One current small installation is the Ubuntu Mini Remix, a Live CD whose image is only 165 megabytes -- or "only the minimal set of software to make the system work," according to the home page. The current release includes a 64 bit version, but apparently only a 32 bit version will be available in future releases.

However, perhaps the ultimate compact installation is Damn Small Linux, or DSL as it is often called. DSL installs to only 50 megabytes, and is supposed to be installable to a 486 machine with 16 megabytes of RAM (assuming any such machines are still in operation). In the interests of saving space, it includes many applications not generally seen in most distros, such as the Dillo web browser and the Ted word processor.

Localizations

Some derivatives are mainly localizations -- that is, translations into other languages. For instance, you can use Baltix if you speak Lithuanian, Latvian, Polish, Norwegian, or any other language spoken around the Baltic Sea, or BOSS if you speak one of the languages of India.

Spain is particularly wealthy in derivatives, with LinEx in Extremadura, Molinux in Castile-La Mancha, and LliureX in Valencia. So is South America, particularly Brazil, whose derivatives include Tucunare, Satux, Big Linux, and Poseidon.

Many of these localizations have other purposes as well. Poseidon, for example, bills itself as "the scientific GNU/Linux," while Tucunare is intended to help improve citizen involvement with government and social concerns. In the same way, many Spanish derivatives are connected to projects concerned with self-government and increasing the availability of computers in impoverished areas.

Security and Privacy

Derivatives are particularly popular for security and privacy. Many derivatives in this category are available on Live Media, because some commands need to be run with hard drive partitions unmounted, or isolated from any possible intrusion.

Among the derivatives in this category are CAINE, which specializes in computer forensics; BackTrack, a highly customizable distribution for penetration test; and Ubuntu Privacy Remix, whose goal is to provide an isolated working environment for material that you wish to protect.

Multimedia

The current multimedia derivatives tend to be based on Ubuntu and are often Live CD/DVDs. The best-known is Ubuntu Studio, which includes audio, graphics, and video tools, and pays special attention to support for Wacom drawing tablets and similar hardware. Other all-round multimedia derivative is Artist X, eAR OS and APODIO.

Others are more specialized. For example, the still-in-beta PC/OS includes support for a full-array of multimedia codecs, many of which are proprietary or have a questionable legal status on Linux.

Other Specialties

This is not an exhaustive list of Debian and Ubuntu derivatives by any means. With more space, I might say something about SymphonyOS, a radically different desktop that is no longer in development, or Ichthux and ChristianUbuntu for Christians and Sabily for Moslems.

For those who are interested in migrating a business to Debian, there are CoreBiz and Univention Corporate Server; for education, there is the long-established SkoleLinux and Edubuntu, and for the blind or vision-impaired, Oralux, which installs and runs via speech synthesis.

It’s not quite true to say that, if you can think of a specialty, then there is at least one Debian or Ubuntu derivative is designed for it. However, it is not much of an exaggeration, either. Through their hosts of derivatives, Debian and Ubuntu have an influence even greater than either has alone, or even have together. If you can't find a derivative distribution in a particular category based on Debian or Ubuntu, chances are that you won't one based on any other distribution, either.

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