This single CD contains just the minimal amount of software to start the installation and fetch the remaining packages over the Internet. If you only want to install Debian on a single machine which has a fast Internet connection, the network install may be the fastest and easiest option for you: You only download the packages that you selected for installation on your machine, which saves both time and bandwidth. For example, if you already have the full set of debian There are two types of images, the binary CDs that contain precompiled, ready-to-run programs, and the source CDs that contain the source code for the programs.
The vast majority of people do not need the source CDs; you should not download them unless you really have a good reason for it. Debian has a quite strict view with regard to the licenses of software: Only software that is Free in the sense of the Debian Free Software Guidelines is allowed into the actual distribution. All the other, non-free software for example, software for which source code is not available is not supported officially.
The official CDs may freely be used, copied and sold by anyone anywhere in the world. Packages of the non-free category have restrictions that conflict with this, so these packages are not placed on the official CDs.
Sometimes, someone is kind enough to create unofficial non-free CDs. If you cannot find any links on this website, you can try asking on the debian-cd mailing list. What's the difference between official and unofficial images? Official images are built by a member of the Debian CD team and have undergone some testing to ensure they work. Once they have been released, the images never change - if they turn out to be broken, a new set with a different version number is released.
Unofficial images can be built by anyone - CD team members, other Debian developers or even advanced Debian users. Typically, they are more up-to-date, but have received less testing.
Some have new features e. You do not need to install anything on the hard drive. All programs run directly from the medium.
The Debian Live Project produces live image files for a variety of system types and media. If your Debian disc fails to boot, first ensure that you have correctly written it to the medium - please see the explanation above. Where are the images for M68K, Hurd or other architectures? Are images for the unstable distribution available? Due to the fact that the packages in unstable change so quickly, it is more appropriate for people to download and install unstable using a normal Debian HTTP mirror.
If you are aware of the risks of running unstable , but still want to install it, you have a few choices:. To find out which image contains a certain file, use the cdimage search tool. Can I have a list of all the packages contained in an image? Look on cdimage. For Debian Live images, you can find in the same directory as the image files some similarly named files suffixed with.
Download these and then search them for the desired package name. The software on the official CDs is outdated - why don't you release a new version?
We only make official releases of the stable distribution when we think they truly deserve that name. Unfortunately, this means that stable releases only happen about every 2 years If you require more recent versions of some of the software in Debian, you can install stable and then upgrade via the net those parts you want to the versions from testing - it is possible to mix software from the different releases.
Alternatively, try out the images of testing that are generated automatically every week. More information about testing security support is available from the security FAQ. If you only need newer versions of specific packages, you can also try the backports service, which takes packages from testing and modifies them to work on stable.
This option may be safer than installing the same package directly from testing. How do I know if I am downloading the newest images? The note at the bottom of the Debian on CD page always shows the version number of the latest release. How can I verify the downloaded ISO images and written optical media? Detailed information on how to authenticate the signed checksum files containing the checksums of the ISO image files is available on the authenticity verification page.
After cryptographically verifying the checksum files, we can check that:. The problem with the verification of written optical media is that some media types will possibly return more bytes than those found in the ISO image. Therefore, we need to read exactly the same number of sectors of data from the media as are found in the ISO image itself; reading any more bytes from the media will alter the checksum result.
Most likely, the tool you use for downloading the image does not have large file support, i. The usual symptom for this problem is that when you download the file, the file size reported by your tool and the amount of data that it downloads is too small by exactly 4 GB. For example, if the DVD image is 4. Some old versions of wget also suffer from this problem - either upgrade to a version of wget which does not have this restriction or use the curl command line download tool: curl -C - [URL].
Note that they're all frontends to the previously mentioned low-level burning applications. On recent versions of Windows, this can be done natively by right-clicking the ISO and selecting "Burn image to disk or similar ". This might be a little problem on older versions of Windows, as many Windows image-burning programs use their own formats for CD images.
To burn the. Some programs do not offer these choices; use another burning program instead ask a friend or colleague. Here is some information about how to write CD images with specific products:.
If you can provide updated information or details for other programs, please let us know. The Toast program for Mac OS is reported to work fine with. You can be extra-safe by giving it the creator code CDr3 or possibly CDr4 and type code iImg using e. Double-clicking on the file will then open up Toast directly, without having to drag-and-drop or go via the File-Open menu. Some companies provide non-free drivers, but that is a problem because the company could later go out of business or stop support for the hardware you have.
We recommend that you only purchase hardware from manufacturers that provide free drivers for their products. I'm looking for more information. You may want to check out our FAQ. I'm still not convinced. Don't take our word for it - try Debian yourself. Since hard disk space has become less expensive, you can probably spare about 2GB. If you don't want or need a graphical desktop, MB are sufficient.
Debian can be easily installed on this extra space and can coexist with your existing OS. If you eventually need more space, you can simply delete one of your OSes and after you see the power of a Debian system, we are confident you won't delete Debian. As trying a new operating system will take some of your valuable time, it is understandable that you may have reservations. For this reason we compiled a list of pros and cons of Debian.
This should help you decide whether you think it's worth it. We hope you'll appreciate our honesty and frankness. How do I get Debian? It's most popular to install Debian from a CD which you can buy for the price of the media at one of our many CD vendors. If you have good Internet access, you can download and install Debian over the Internet. You can get help by reading the documentation which is available both on the web site and in packages you can install on your system.
You can also contact us via the mailing lists or using IRC. One can even hire a consultant to do the work. Please see our documentation and support pages for more information. Debian is produced by almost a thousand active developers spread around the world who volunteer in their spare time.
Few of the developers have actually met in person. Communication is done primarily through e-mail mailing lists at lists. The Debian Project has a carefully organized structure. For more information on how Debian looks from the inside, please feel free to browse the developers' corner. The complete list of official Debian members can be found on nm.
A broader list of Debian contributors can be found on contributors. Although no precise statistics are available since Debian does not require users to register , evidence is quite strong that Debian is used by a wide range of organizations, large and small, as well as many thousands of individuals.
See our Who's using Debian? How'd it all get started? Debian was meant to be carefully and conscientiously put together, and to be maintained and supported with similar care. It started as a small, tightly-knit group of Free Software hackers, and gradually grew to become a large, well-organized community of developers and users.
See the detailed history. It comes from the names of the creator of Debian, Ian Murdock, and his wife, Debra. Also, it is the only way to download Debian DVD images for all architectures.
The Bittorrent peer to peer system lets many users cooperatively download images at the same time, with minimal load on our servers. DVD images are only available for some architectures. Also offered as a new alternative to the standard images are live images which you can use to try Debian first and then install the contents of the image. Debian is available for different computer architectures - make sure you are getting images that match your computer!
Most people will need images for amd64 , i.
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