[debian-edu-commits] [Debian Wiki] Update of "DebianEdu/Documentation/Bullseye/AppendixC" by WolfgangSchweer

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The "DebianEdu/Documentation/Bullseye/AppendixC" page has been changed by WolfgangSchweer:
https://wiki.debian.org/DebianEdu/Documentation/Bullseye/AppendixC

Comment:
WIP: starting to work on Debian Edu Bullseye documentation as a copy with s/buster/bullseye/ and some other adjustments

New page:
= Appendix C - Features in older releases =

<<TableOfContents(2)>>

= New features for Debian Edu 10+edu0 Codename Buster released 2019-07-06 ==

=== Installation changes ===

 * This is the first time Debian Edu installation images are available at [[https://cdimage.debian.org|https://cdimage.debian.org]], thus these are official Debian images.
 * New version of debian-installer from Debian Buster, see  its [[http://www.debian.org/releases/buster/installmanual|installation manual]] for more details.
 * New artwork based on the [[DebianArt/Themes/futurePrototype|futurePrototype theme]], the default artwork for Debian 10 Buster.
 * New default desktop environment Xfce (replacing KDE).
 * New CFEngine configuration management (replacing unmaintained package cfengine2 with cfengine3); this is a major change, for details see [[https://docs.cfengine.com| the official CFEngine documentation]].
 * The architecture of the LTSP chroot now defaults to the server one. 

=== Software updates ===

 * Everything which is new in Debian 10 Buster, eg:
   * Linux kernel 4.19
   * Desktop environments KDE Plasma Workspace 5.14, GNOME 3.30, Xfce 4.12, LXDE 0.99.2, MATE 1.20
   * Firefox 60.7 ESR and Chromium 73.0
   * !LibreOffice 6.1
   * Educational toolbox GCompris 0.95
   * Music creator Rosegarden 18.12
   * GOsa 2.74
   * LTSP 5.18
   * Debian Buster includes more than 57000 packages available for installation.
  * More information about Debian 10 Buster is provided in the [[http://www.debian.org/releases/buster/releasenotes|release notes]] and the [[http://www.debian.org/releases/buster/installmanual|installation manual]].

=== Documentation and translation updates ===
 
 * Translation updates for the templates used in the installer. These templates are now available in 76 languages, of which 31 are fully translated. The profile choice page is available in 29 languages, of which 19 are fully translated.
 * The Debian Edu Buster Manual is fully translated to French, German, Italian, Danish, Dutch, Norwegian Bokmål and Japanese.
   * Partly translated versions exist for Polish, Spanish, Simplified Chinese and Traditional Chinese.

=== Other changes compared to the previous release ===

 * The BD ISO image can be used for offline installations again.
 * New school level related meta-packages ''education-preschool'', ''education-primaryschool'', ''education-secondaryschool'' and ''education-highschool'' are available. None of them is installed by default.
 * Some packages rather belonging to preschool or primaryschool level (like ''gcompris-qt'', ''childsplay'', ''tuxpaint'' or ''tuxmath'') are no longer installed by default.
 * Site specific modular installation. It is now possible to install only those educational packages that are actually wanted. See the [[DebianEdu/Documentation/Buster/Installation#Modular_installation|installation]] chapter for more information.
 * Site specific multi-language support. See the [[DebianEdu/Documentation/Buster/HowTo/Desktop#Set_up_a_multi-language_desktop_environment|Desktop]] chapter for more information.
 * LXQt 0.14 is offered as a new choice for the desktop environment.
 * New GOsa²-Plugin ''Password Management''.
 * Unusable options have been removed from the GOsa² web interface.
 * New netgroup available to exclude systems belonging to the ''shut-down-at-night-hosts'' netgroup from being woken up.
 * New tool Standardskriver (Default printer). See the [[DebianEdu/Documentation/Buster/HowTo/Administration#Standardskriver|Administration]] chapter for more information.
 * New tool Desktop-autoloader. It allows performance improvements for LTSP diskless clients. See the [[DebianEdu/Documentation/Buster/HowTo/NetworkClients#Desktop_autoloader|NetworkClients]] chapter for more information.
 * Improved TLS/SSL support inside the internal network. A RootCA certificate is used to sign server certificates and user home directories are configured to accept it at account creation time; besides Firefox ESR, also Chromium and Konqueror can now use HTTPS without the need to allow insecure connections.
 * Kerberized ''ssh''. A password isn't needed anymore for connections inside the internal network; root needs to run {{{kinit}}} first to enable it.
 * Kerberized NFS. It is now possible to use more secure home directory access, see the [[DebianEdu/Documentation/Buster/HowTo/Administration#Kerberized_NFS|Administration]] chapter for more information.
 * Added configuration file {{{/etc/debian-edu/pxeinstall.conf}}} with examples to make site specific changes easier.
 * Added configuration file {{{/etc/ltsp/ltsp-build-client.conf}}} with examples to make site specific changes easier.
 * New tool {{{/usr/share/debian-edu-config/tools/edu-ldap-from-scratch}}}. It allows to re-generate the LDAP database just like it has been right after the main server installation. The tool might also be useful to make site specific changes easier. 
 * With ''!X2Go server'' now available in Debian, the related packages are now installed on all systems with Profile ''LTSP-Server''.
 * Support for running Java applets in the Firefox ESR browser has been dropped upstream.
 * Support for nonfree flash has been dropped from the Firefox ESR browser.
 * Like it has been before Stretch, Debian 10 doesn't install the {{{unattended-upgrades}}} package by default, see the [[DebianEdu/Documentation/Buster/Maintenance#Updating_the_software|Maintenance]] chapter for more information about security upgrades.

== New features for Debian Edu 9+edu0 Codename Stretch released 2017-06-17 ==

=== Installation changes ===

 * New version of debian-installer from Debian Stretch, see  its [[http://www.debian.org/releases/stretch/installmanual|installation manual]] for more details.
 * The "Thin-Client-Server" profile has been renamed to "LTSP-Server" profile.
 * New artwork based on the [[DebianArt/Themes/softWaves|"soft Waves" theme]], the default artwork for Debian 9 Stretch.

=== Software updates ===

 * Everything which was new in Debian 9 Stretch, eg:
   * Linux kernel 4.9
   * Desktop environments KDE Plasma Workspace 5.8, GNOME 3.22, Xfce 4.12, LXDE 0.99.2, MATE 1.16
     * KDE Plasma Workspace is installed by default; to choose one of the others see this manual.
   * Firefox 45.9 ESR and Chromium 59
     * Iceweasel has been re-renamed to Firefox! :-)
   * Icedove has been re-renamed to Thunderbird and is now installed by default.
   * !LibreOffice 5.2.6
   * Educational toolbox GCompris 15.10
   * Music creator Rosegarden 16.06
   * GOsa 2.7.4
   * LTSP 5.5.9
   * Debian Stretch includes more than 50000 packages available for installation.
  * More information about Debian 9 Stretch is provided in the [[http://www.debian.org/releases/stretch/releasenotes|release notes]] and the [[http://www.debian.org/releases/stretch/installmanual|installation manual]].

=== Documentation and translation updates ===
 
 * Translation updates for the templates used in the installer. These templates are now available in 29 languages.
 * The Debian Edu Stretch Manual is fully translated to German, French, Italian, Danish, Dutch, Norwegian Bokmål and Japanese. The Japanese translation was newly added for Stretch.
   * Partly translated versions exist for Spanish, Polish and Simplified Chinese.

=== Other changes compared to the previous release ===

 * Icinga replaces Nagios as monitoring tool.
 * kde-spectacle replaces ksnapshot as screenshot tool.
 * The free flash player gnash is back again.
 * Plymouth is installed and activated by default, except for the 'Main Server' and 'Minimal' profiles; pressing ESC allows to view boot and shutdown messages. 
 *Upon upgrade from Jessie the LDAP data base has to be adjusted. The sudoHost value 'tjener' has to be replaced with 'tjener.intern' using GOsa² or an LDAP editor. 
 * The 32-bit PC support (known as the Debian architecture i386) now no longer covers a plain i586 processor. The new baseline is the i686, although some i586 processors (e.g. the "AMD Geode") will remain supported.
 *Debian 9 enables unattended upgrades (for security updates) by default for new installations. This might cause a delay of about 15 minutes if a system with a low uptime value is powered off. 
 *LTSP now uses NBD instead of NFS for the root filesystem. After each single change to an LTSP chroot, the related NBD image must be regenerated ({{{ltsp-update-image}}}) for the changes to take effect.
 *Concurrent logins of the same user on LTSP server and LTSP thin client are no longer allowed. 

== Historic information about older releases ==

The following Debian Edu releases were made further in the past:

 * Debian Edu 8+edu0 Codename Jessie released 2016-07-02.
 * Debian Edu 7.1+edu0 Codename Wheezy released 2013-09-28.
 * Debian Edu 6.0.7+r1 Codename "Squeeze", released 2013-03-03.
 * Debian Edu 6.0.7+r1 Codename "Squeeze", released 2013-03-03.
 * Debian Edu 6.0.4+r0 Codename "Squeeze", released 2012-03-11.
 * Debian Edu 5.0.6+edu1 Codename "Lenny", released 2010-10-05.
 * Debian Edu 5.0.4+edu0 Codename "Lenny", released 2010-02-08.
 * Debian Edu "3.0r1 Terra", released 2007-12-05.
 * Debian Edu "3.0r0 Terra" released 2007-07-22. Based on Debian 4.0 Etch released 2007-04-08.
 * Debian Edu 2.0, released 2006-03-14. Based on Debian 3.1 Sarge released 2005-06-06.
 * Debian Edu "1.0 Venus" release 2004-06-20. Based on Debian 3.0 Woody released 2002-07-19.

A complete and detailed overview about older releases is contained in [[ https://wiki.debian.org/DebianEdu/Documentation/Jessie/AppendixC|Appendix C of the Jessie manual]]; or see the related release manuals on the [[https://wiki.debian.org/DebianEdu/Documentation|release manuals page]].


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