See the Debian FAQ for an explanation of where all these codenames came from. Data integrity is granted by a digitally signed Release file. To ensure that all files in the release belong to it, checksums of all Packages files are copied into the Release file.
Digital signatures for this file are stored in the file Release. For stable and oldstable an additional signature is generated using an offline key specifically generated for a release by a member of the Stable Release Team. To report a problem with the web site, please e-mail our publicly archived mailing list debian-www lists. For other contact information, see the Debian contact page. Web site source code is available. Skip Quicknav Blog Micronews Planet. Debian Releases Debian always has at least three releases in active maintenance: stable , testing and unstable.
This is the production release of Debian, the one which we primarily recommend using. The current testing distribution is bookworm. The unstable distribution is always called sid. Release life cycle Debian announces its new stable release on a regular basis. Index of releases The next release of Debian is codenamed bookworm — testing — no release date has been set Debian 11 bullseye — current stable release Debian 10 buster — current oldstable release Debian 9 stretch — oldoldstable release, under LTS support Debian 8 jessie — archived release, under extended LTS support Debian 7 wheezy — obsolete stable release Debian 6.
If any of the hardware in your system requires non-free firmware to be loaded with the device driver, you can use one of the tarballs of common firmware packages or download an unofficial image including these non-free firmwares. Instructions how to use the tarballs and general information about loading firmware during an installation can be found in the Installation Guide see Documentation below.
If you read only one document before installing, read our Installation Howto , a quick walkthrough of the installation process. Other useful documentation includes:. This is a list of known problems in the installer shipped with Debian 9. If you have experienced a problem installing Debian and do not see your problem listed here, please send us an installation report describing the problem or check the wiki for other known problems. To report a problem with the web site, please e-mail our publicly archived mailing list debian-www lists.
For other contact information, see the Debian contact page. Web site source code is available.
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