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Debian 12 bookworm released

**June 10th, 2023**

After 1 year, 9 months, and 28 days of development, the Debian project is proud to present its new stable version 12 (code name _bookworm_).

_bookworm_ will be supported for the next 5 years thanks to the combined work of the Debian Security team and the Debian Long Term Support team.

Following the 2022 General Resolution about non-free firmware, we have introduced a new archive area making it possible to separate non-free firmware from the other non-free packages:

*   non-free-firmware

Most non-free firmware packages have been moved from **non-free** to **non-free-firmware**. This separation makes it possible to build a variety of official installation images.Debian 12 _bookworm_ ships with several desktop environments, such as:

*   Gnome 43,
*   KDE Plasma 5.27,
*   LXDE 11,
*   LXQt 1.2.0,
*   MATE 1.26,
*   Xfce 4.18

This release contains over **11,089** new packages for a total count of **64,419** packages, while over **6,296** packages have been removed as _obsolete_. **43,254** packages were updated in this release. The overall disk usage for _bookworm_ is **365,016,420 kB (365 GB)**, and is made up of **1,341,564,204** lines of code.

_bookworm_ has more translated man pages than ever thanks to our translators who have made **man**\-pages available in multiple languages such as: Czech, Danish, Greek, Finnish, Indonesian, Macedonian, Norwegian (Bokmål), Russian, Serbian, Swedish, Ukrainian, and Vietnamese. All of the **systemd** man pages are now completely available in German.

The Debian Med Blend introduces a new package: **shiny-server** which simplifies scientific web applications using **R**. We have kept to our efforts of providing Continuous Integration support for Debian Med team packages. Install the metapackages at version 3.8.x for Debian bookworm.

The Debian Astro Blend continues to provide a one-stop solution for professional astronomers, enthusiasts, and hobbyists with updates to almost all versions of the software packages in the blend. **astap** and **planetary-system-stacker** help with image stacking and astrometry resolution. **openvlbi**, the open source correlator, is now included.

Support for Secure Boot on ARM64 has been reintroduced: users of UEFI-capable ARM64 hardware can boot with Secure Boot mode enabled to take full advantage of the security feature.

Debian 12 _bookworm_ includes numerous updated software packages (over 67% of all packages from the previous release), such as:

*   Apache 2.4.57
*   BIND DNS Server 9.18
*   Cryptsetup 2.6
*   Dovecot MTA 2.3.19
*   Emacs 28.2
*   Exim (default email server) 4.96
*   GIMP 2.10.34
*   GNU Compiler Collection 12.2
*   GnuPG 2.2.40
*   Inkscape 1.2.2
*   The GNU C Library 2.36
*   lighthttpd 1.4.69
*   LibreOffice 7.4
*   Linux kernel 6.1 series
*   LLVM/Clang toolchain 13.0.1, 14.0 (default), and 15.0.6
*   MariaDB 10.11
*   Nginx 1.22
*   OpenJDK 17
*   OpenLDAP 2.5.13
*   OpenSSH 9.2p1
*   Perl 5.36
*   PHP 8.2
*   Postfix MTA 3.7
*   PostgreSQL 15
*   Python 3, 3.11.2
*   Rustc 1.63
*   Samba 4.17
*   systemd 252
*   Vim 9.0

With this broad selection of packages and its traditional wide architecture support, Debian once again stays true to its goal of being _The Universal Operating System_. It is suitable for many different use cases: from desktop systems to netbooks; from development servers to cluster systems; and for database, web, and storage servers. At the same time, additional quality assurance efforts like automatic installation and upgrade tests for all packages in Debian's archive ensure that _bookworm_ fulfills the high expectations that users have of a stable Debian release.

A total of nine architectures are officially supported for _bookworm_:

*   32-bit PC (i386) and 64-bit PC (amd64),
*   64-bit ARM (arm64),
*   ARM EABI (armel),
*   ARMv7 (EABI hard-float ABI, armhf),
*   little-endian MIPS (mipsel),
*   64-bit little-endian MIPS (mips64el),
*   64-bit little-endian PowerPC (ppc64el),
*   IBM System z (s390x)

32-bit PC (i386) no longer covers any i586 processor; the new minimum processor requirement is i686. \_If your machine is not compatible with this requirement, it is recommended that you stay with bullseye for the remainder of its support cycle.\_The Debian Cloud team publishes _bookworm_ for several cloud computing services:

*   Amazon EC2 (amd64 and arm64),
*   Microsoft Azure (amd64),
*   OpenStack (generic) (amd64, arm64, ppc64el),
*   GenericCloud (arm64, amd64),
*   NoCloud (amg64, arm64, ppc64el)

The genericcloud image should be able to run in any virtualised environment, and there is also a nocloud image which is useful for testing the build process.GRUB packages will by default no longer run os-prober for other operating systems.

Between releases, the Technical Committee resolved that Debian _bookworm_ should support only the merged-usr root filesystem layout, dropping support for the non-merged-usr layout. For systems installed as buster or bullseye there will be no changes to the filesystem; however, systems using the older layout will be converted during the upgrade.

Want to give it a try?

If you simply want to try Debian 12 _bookworm_ without installing it, you can use one of the available live images which load and run the complete operating system in a read-only state via your computer's memory.

These live images are provided for the amd64 and i386 architectures and are available for DVDs, USB sticks, and netboot setups. The user can choose among different desktop environments to try: GNOME, KDE Plasma, LXDE, LXQt, MATE, and Xfce. Debian Live _bookworm_ has a standard live image, so it is also possible to try a base Debian system without any of the graphical user interfaces.

Should you enjoy the operating system you have the option of installing from the live image onto your computer's hard disk. The live image includes the Calamares independent installer as well as the standard Debian Installer. More information is available in the release notes and the live install images sections of the Debian website.

To install Debian 12 _bookworm_ directly onto your computer's storage device you can choose from a variety of installation media types to Download such as: Blu-ray Disc, DVD, CD, USB stick, or via a network connection. See the Installation Guide for more details.

Debian can now be installed in 78 languages, with most of them available in both text-based and graphical user interfaces.

The installation images may be downloaded right now via bittorrent (the recommended method), jigdo, or HTTP; see Debian on CDs for further information. _bookworm_ will soon be available on physical DVD, CD-ROM, and Blu-ray Discs from numerous vendors too.

Upgrading Debian

Upgrades to Debian 12 _bookworm_ from the previous release, Debian 11 _bullseye_, are automatically handled by the APT package management tool for most configurations.

Before upgrading your system, it is strongly recommended that you make a full backup, or at least back up any data or configuration information you can't afford to lose. The upgrade tools and process are quite reliable, but a hardware failure in the middle of an upgrade could result in a severely damaged system. The main things you'll want to back up are the contents of /etc, /var/lib/dpkg, /var/lib/apt/extended\_states and the output of: $ dpkg --get-selections '\*' # (the quotes are important)

We welcome any information from users related to the upgrade from _bullseye_ to _bookworm_. Please share information by filing a bug in the Debian bug tracking system using the **upgrade-reports** package with your results.

There has been a lot of development to the Debian Installer resulting in improved hardware support and other features such as fixes to graphical support on UTM, fixes to the GRUB font loader, removing the long wait at the end of the installation process, and fixes to the detection of BIOS-bootable systems. This version of the Debian Installer may enable non-free-firmware where needed.

The **ntp** package has been replaced with the **ntpsec** package, with the default system clock service now being **systemd-timesyncd**; there is also support for **chrony** and **openntpd**.

As non-free firmware has been moved to its own component in the archive, if you have non-free firmware installed it is recommended to add **non-free-firmware** to your APT sources-list.

It is advisable to remove bullseye-backports entries from APT source-list files before the upgrade; after the upgrade consider adding **bookworm-backports**.

For _bookworm_, the security suite is named **bookworm-security**; users should adapt their APT source-list files accordingly when upgrading. If your APT configuration also involves pinning or APT::Default-Release, it is likely to require adjustments to allow the upgrade of packages to the new stable release. Please consider disabling APT pinning.

The OpenLDAP 2.5 upgrade includes some incompatible changes which may require manual intervention. Depending on configuration the **slapd** service may remain stopped after the upgrade until new configuration updates are completed.

The new **systemd-resolved** package will not be installed automatically on upgrades as it has been split into a separate package. If using the systemd-resolved system service, please install the new package manually after the upgrade, and note that until it has been installed, DNS resolution may no longer work as the service will not be present on the system.

There are some changes to system logging; the **rsyslog** package is no longer needed on most systems, and is not installed by default. Users may change to **journalctl** or use the new _high precision timestamps_ that **rsyslog** now uses.

Possible issues during the upgrade include Conflicts or Pre-Depends loops which can be solved by removing and eliminating some packages or forcing the re-installation of other packages. Additional concerns are _Could not perform immediate configuration ..._ errors for which one will need to keep **both** _bullseye_ (that was just removed) and _bookworm_ (that was just added) in the APT source-list file, and File Conflicts which may require one to forcibly remove packages. As mentioned, backing the system up is the key to a smooth upgrade should any untoward errors occur.

There are some packages where Debian cannot promise to provide minimal backports for security issues. Please see the Limitations in security support.

As always, Debian systems may be upgraded painlessly, in place, without any forced downtime, but it is strongly recommended to read the release notes as well as the installation guide for possible issues, and for detailed instructions on installing and upgrading. The release notes will be further improved and translated to additional languages in the weeks after the release.

About Debian

Debian is a free operating system, developed by thousands of volunteers from all over the world who collaborate via the Internet. The Debian project's key strengths are its volunteer base, its dedication to the Debian Social Contract and Free Software, and its commitment to provide the best operating system possible. This new release is another important step in that direction.

Contact Information

For further information, please visit the Debian web pages at [https://www.debian.org/](https://www.debian.org/) or send mail to press@debian.org .

  

﻿[#linux](/tag/linux)﻿ #linuxmasterrace ﻿[#komputery](/tag/komputery)﻿ ﻿[#informatyka](/tag/informatyka)﻿ ﻿[#debian](/tag/debian)﻿ #gnu ﻿[#foss](/tag/foss)﻿ ﻿[#opensource](/tag/opensource)

Debian 12 bookworm released
June 10th, 2023
After 1 year, 9 months, and 28 days of development, the Debian project is proud to present its new stable version 12 (code name bookworm).
bookworm will be supported for the next 5 years thanks to the combined work of the Debian Security team and the Debian Long Term Support team.
Following the 2022 General Resolution about non-free firmware, we have introduced a new archive area making it possible to separate non-free firmware from the other non-free packages:

non-free-firmware

Most non-free firmware packages have been moved from non-free to non-free-firmware. This separation makes it possible to build a variety of official installation images.Debian 12 bookworm ships with several desktop environments, such as:

Gnome 43,
KDE Plasma 5.27,
LXDE 11,
LXQt 1.2.0,
MATE 1.26,
Xfce 4.18

This release contains over 11,089 new packages for a total count of 64,419 packages, while over 6,296 packages have been removed as obsolete. 43,254 packages were updated in this release. The overall disk usage for bookworm is 365,016,420 kB (365 GB), and is made up of 1,341,564,204 lines of code.
bookworm has more translated man pages than ever thanks to our translators who have made man-pages available in multiple languages such as: Czech, Danish, Greek, Finnish, Indonesian, Macedonian, Norwegian (Bokmål), Russian, Serbian, Swedish, Ukrainian, and Vietnamese. All of the systemd man pages are now completely available in German.
The Debian Med Blend introduces a new package: shiny-server which simplifies scientific web applications using R. We have kept to our efforts of providing Continuous Integration support for Debian Med team packages. Install the metapackages at version 3.8.x for Debian bookworm.
The Debian Astro Blend continues to provide a one-stop solution for professional astronomers, enthusiasts, and hobbyists with updates to almost all versions of the software packages in the blend. astap and planetary-system-stacker help with image stacking and astrometry resolution. openvlbi, the open source correlator, is now included.
Support for Secure Boot on ARM64 has been reintroduced: users of UEFI-capable ARM64 hardware can boot with Secure Boot mode enabled to take full advantage of the security feature.
Debian 12 bookworm includes numerous updated software packages (over 67% of all packages from the previous release), such as:

Apache 2.4.57
BIND DNS Server 9.18
Cryptsetup 2.6
Dovecot MTA 2.3.19
Emacs 28.2
Exim (default email server) 4.96
GIMP 2.10.34
GNU Compiler Collection 12.2
GnuPG 2.2.40
Inkscape 1.2.2
The GNU C Library 2.36
lighthttpd 1.4.69
LibreOffice 7.4
Linux kernel 6.1 series
LLVM/Clang toolchain 13.0.1, 14.0 (default), and 15.0.6
MariaDB 10.11
Nginx 1.22
OpenJDK 17
OpenLDAP 2.5.13
OpenSSH 9.2p1
Perl 5.36
PHP 8.2
Postfix MTA 3.7
PostgreSQL 15
Python 3, 3.11.2
Rustc 1.63
Samba 4.17
systemd 252
Vim 9.0

With this broad selection of packages and its traditional wide architecture support, Debian once again stays true to its goal of being The Universal Operating System. It is suitable for many different use cases: from desktop systems to netbooks; from development servers to cluster systems; and for database, web, and storage servers. At the same time, additional quality assurance efforts like automatic installation and upgrade tests for all packages in Debian's archive ensure that bookworm fulfills the high expectations that users have of a stable Debian release.
A total of nine architectures are officially supported for bookworm:

32-bit PC (i386) and 64-bit PC (amd64),
64-bit ARM (arm64),
ARM EABI (armel),
ARMv7 (EABI hard-float ABI, armhf),
little-endian MIPS (mipsel),
64-bit little-endian MIPS (mips64el),
64-bit little-endian PowerPC (ppc64el),
IBM System z (s390x)

32-bit PC (i386) no longer covers any i586 processor; the new minimum processor requirement is i686. _If your machine is not compatible with this requirement, it is recommended that you stay with bullseye for the remainder of its support cycle._The Debian Cloud team publishes bookworm for several cloud computing services:

Amazon EC2 (amd64 and arm64),
Microsoft Azure (amd64),
OpenStack (generic) (amd64, arm64, ppc64el),
GenericCloud (arm64, amd64),
NoCloud (amg64, arm64, ppc64el)

The genericcloud image should be able to run in any virtualised environment, and there is also a nocloud image which is useful for testing the build process.GRUB packages will by default no longer run os-prober for other operating systems.
Between releases, the Technical Committee resolved that Debian bookworm should support only the merged-usr root filesystem layout, dropping support for the non-merged-usr layout. For systems installed as buster or bullseye there will be no changes to the filesystem; however, systems using the older layout will be converted during the upgrade.
Want to give it a try?
If you simply want to try Debian 12 bookworm without installing it, you can use one of the available live images which load and run the complete operating system in a read-only state via your computer's memory.
These live images are provided for the amd64 and i386 architectures and are available for DVDs, USB sticks, and netboot setups. The user can choose among different desktop environments to try: GNOME, KDE Plasma, LXDE, LXQt, MATE, and Xfce. Debian Live bookworm has a standard live image, so it is also possible to try a base Debian system without any of the graphical user interfaces.
Should you enjoy the operating system you have the option of installing from the live image onto your computer's hard disk. The live image includes the Calamares independent installer as well as the standard Debian Installer. More information is available in the release notes and the live install images sections of the Debian website.
To install Debian 12 bookworm directly onto your computer's storage device you can choose from a variety of installation media types to Download such as: Blu-ray Disc, DVD, CD, USB stick, or via a network connection. See the Installation Guide for more details.
Debian can now be installed in 78 languages, with most of them available in both text-based and graphical user interfaces.
The installation images may be downloaded right now via bittorrent (the recommended method), jigdo, or HTTP; see Debian on CDs for further information. bookworm will soon be available on physical DVD, CD-ROM, and Blu-ray Discs from numerous vendors too.
Upgrading Debian
Upgrades to Debian 12 bookworm from the previous release, Debian 11 bullseye, are automatically handled by the APT package management tool for most configurations.
Before upgrading your system, it is strongly recommended that you make a full backup, or at least back up any data or configuration information you can't afford to lose. The upgrade tools and process are quite reliable, but a hardware failure in the middle of an upgrade could result in a severely damaged system. The main things you'll want to back up are the contents of /etc, /var/lib/dpkg, /var/lib/apt/extended_states and the output of: $ dpkg --get-selections '*' # (the quotes are important)
We welcome any information from users related to the upgrade from bullseye to bookworm. Please share information by filing a bug in the Debian bug tracking system using the upgrade-reports package with your results.
There has been a lot of development to the Debian Installer resulting in improved hardware support and other features such as fixes to graphical support on UTM, fixes to the GRUB font loader, removing the long wait at the end of the installation process, and fixes to the detection of BIOS-bootable systems. This version of the Debian Installer may enable non-free-firmware where needed.
The ntp package has been replaced with the ntpsec package, with the default system clock service now being systemd-timesyncd; there is also support for chrony and openntpd.
As non-free firmware has been moved to its own component in the archive, if you have non-free firmware installed it is recommended to add non-free-firmware to your APT sources-list.
It is advisable to remove bullseye-backports entries from APT source-list files before the upgrade; after the upgrade consider adding bookworm-backports.
For bookworm, the security suite is named bookworm-security; users should adapt their APT source-list files accordingly when upgrading. If your APT configuration also involves pinning or APT::Default-Release, it is likely to require adjustments to allow the upgrade of packages to the new stable release. Please consider disabling APT pinning.
The OpenLDAP 2.5 upgrade includes some incompatible changes which may require manual intervention. Depending on configuration the slapd service may remain stopped after the upgrade until new configuration updates are completed.
The new systemd-resolved package will not be installed automatically on upgrades as it has been split into a separate package. If using the systemd-resolved system service, please install the new package manually after the upgrade, and note that until it has been installed, DNS resolution may no longer work as the service will not be present on the system.
There are some changes to system logging; the rsyslog package is no longer needed on most systems, and is not installed by default. Users may change to journalctl or use the new high precision timestamps that rsyslog now uses.
Possible issues during the upgrade include Conflicts or Pre-Depends loops which can be solved by removing and eliminating some packages or forcing the re-installation of other packages. Additional concerns are Could not perform immediate configuration ... errors for which one will need to keep both bullseye (that was just removed) and bookworm (that was just added) in the APT source-list file, and File Conflicts which may require one to forcibly remove packages. As mentioned, backing the system up is the key to a smooth upgrade should any untoward errors occur.
There are some packages where Debian cannot promise to provide minimal backports for security issues. Please see the Limitations in security support.
As always, Debian systems may be upgraded painlessly, in place, without any forced downtime, but it is strongly recommended to read the release notes as well as the installation guide for possible issues, and for detailed instructions on installing and upgrading. The release notes will be further improved and translated to additional languages in the weeks after the release.
About Debian
Debian is a free operating system, developed by thousands of volunteers from all over the world who collaborate via the Internet. The Debian project's key strengths are its volunteer base, its dedication to the Debian Social Contract and Free Software, and its commitment to provide the best operating system possible. This new release is another important step in that direction.
Contact Information
For further information, please visit the Debian web pages at https://www.debian.org/ or send mail to press@debian.org .
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Debian -- News -- Debian 12 "bookworm" released