Quelles valeurs de debconf-get-selections ne doivent pas être préconfigurées?


8

Je veux répliquer les choix d'installation Debian faits pour la configuration actuelle de mon système dans l'installation d'un nouveau système.

Debian peut être préconfigurée via un fichier de "pré-configuration" (aka "preseed"), qui contient essentiellement les réponses aux questions que l'installateur posera.

La documentation indique qu'une façon de créer un fichier de préconfiguration à partir d'une installation existante de Debian est de:

... utilisez le debconf-get-selectionspackage debconf-utils pour sauvegarder à la fois la base de données debconf et la base de données cdebconf de l'installateur dans un seul fichier:

$ debconf-get-selections --installer > file
$ debconf-get-selections >> file

Mais il ajoute alors immédiatement:

Cependant, un fichier généré de cette manière contiendra certains éléments qui ne doivent pas être prédéfinis ...

La documentation ne précise pas ce que seraient ces éléments qui ne devraient pas être préconfigurés.

Quelqu'un pourrait-il élaborer?


À titre d'illustration, ci-dessous, j'inclus le deuxième champ de la sortie que j'obtiens des deux commandes ci-dessus, où je n'ai conservé que les lignes qui commencent par d-i, ainsi que les commentaires, parfois tronqués par souci de concision. (La raison de ne conserver que les lignes de configuration commençant par le d-ifait que dans l' exemple de fichier de pré-configuration fourni par Debian, seules ces lignes apparaissent.)

# Check the integrity of another CD-ROM?
cdrom-checker/nextcd

# Web server started, but network not running
save-logs/no_network

# for internal use only
debian-installer/consoledisplay

debian-installer/shell-plugin

# Country, territory or area:
# Choices: Antigua and Barbuda, Australia, Botswana, Canada, ...
localechooser/shortlist

# for internal use; can be preseeded
preseed/include_command

# Country of origin for the keyboard:
# Choices: 
keyboard-configuration/layout

# Choices: Canada, Mexico, Saint Pierre and Miquelon, United ...
localechooser/countrylist/North_America

# Choices: Greece, Cyprus, other
localechooser/shortlist/el

# Keyboard layout:
# Choices: 
keyboard-configuration/variant

# Choices: Algeria, Angola, Benin, Botswana, Burkina Faso, Bu...
localechooser/countrylist/Africa

# Choices: Finland, Sweden, other
localechooser/shortlist/sv

# Keep default keyboard options ()?
keyboard-configuration/unsupported_options

# Choices: Cyprus, Turkey, other
localechooser/shortlist/tr

# Interactive shell
di-utils-shell/do-shell

# for internal use only
# Choices: stable, testing, unstable
cdrom/suite

# Choose an installation step:
# Choices: 
debian-installer/missing-provide

# Check CD-ROM integrity?
cdrom-checker/start

# Failed to retrieve the preconfiguration file
preseed/retrieve_error

# Directory in which to save debug logs:
save-logs/directory

# for internal use only
debconf/showold

# Failed to open checksum file
cdrom-checker/md5file_failed

# Choices: Andorra, Spain, France, Italy, other
localechooser/shortlist/ca

# Write the changes to the storage devices and configure RAID...
partman-md/confirm_nooverwrite

# PCMCIA resource range options:
hw-detect/pcmcia_resources

# Failed to mount the floppy
save-logs/floppy_mount_failed

# for internal use only
debconf/language

# Choices: China, Singapore, Taiwan, Hong Kong, other
localechooser/shortlist/zh_TW

# Dummy template for preseeding unavailable questions
debian-installer/dummy

# Additional parameters for module :
hw-detect/retry_params

# Incorrect CD-ROM detected
cdrom-detect/wrong-cd

# for internal use; can be preseeded
cdrom-detect/eject

# Choices: Argentina, Bolivia, Chile, Colombia, Costa Rica, E...
localechooser/shortlist/es

# for internal use; can be preseeded
preseed/run

# Write the changes to disks and configure LVM?
partman-lvm/confirm_nooverwrite

# Cannot save logs
save-logs/bad_directory

# Choices: Belgium, Canada, France, Luxembourg, Switzerland, ...
localechooser/shortlist/fr

# Insufficient memory
lowmem/insufficient

# for internal use
keyboard-configuration/optionscode

# Choices: China, Taiwan, Singapore, Hong Kong, other
localechooser/shortlist/zh_CN

# Load missing firmware from removable media?
hw-detect/load_firmware

# Choices: Italy, Switzerland, other
localechooser/shortlist/it

# Choices: Antarctica
localechooser/countrylist/Antarctica

# Choose the next step in the install process:
# Choices: Choose language, Configure the speech synthesizer ...
debian-installer/main-menu

# Failed to load installer component
anna/install_failed

# Choices: Russian Federation, Ukraine, other
localechooser/shortlist/ru

# for internal use
keyboard-configuration/modelcode

# Entering low memory mode
lowmem/low

# Choices: Jordan, United Arab Emirates, Bahrain, Algeria, Sy...
localechooser/shortlist/ar

# Keep current keyboard options in the configuration file?
keyboard-configuration/unsupported_config_options

# Choices: Antigua and Barbuda, Australia, Botswana, Canada, ...
localechooser/shortlist/en

# Method for toggling between national and Latin mode:
# Choices: Caps Lock, Right Alt (AltGr), Right Control, Right...
keyboard-configuration/toggle

# for internal use only
anna/retriever

# Choices: Curaçao
localechooser/countrylist/other

# Choices: Albania, Andorra, Armenia, Austria, Azerbaijan, Be...
localechooser/countrylist/Europe

# locale
localechooser/help/locale

# Load CD-ROM drivers from removable media?
cdrom-detect/load_media

# for internal use; can be preseeded
debian-installer/framebuffer

# for internal use
espeakup/voice

# for internal use; can be preseeded
preseed/include

# Error reading Release file
cdrom-detect/no-release

# Ignore questions with a priority less than:
# Choices: critical, high, medium, low
debconf/priority

# Key to function as AltGr:
# Choices: The default for the keyboard layout, No AltGr key,...
keyboard-configuration/altgr

# CD-ROM detected
cdrom-detect/success

# Choices: Bouvet Island, Falkland Islands (Malvinas), Saint ...
localechooser/countrylist/Atlantic_Ocean

# Continue the install without loading kernel modules?
anna/no_kernel_modules

# for internal use; can be preseeded
debian-installer/exit/poweroff

# Choices: Bangladesh, India, other
localechooser/shortlist/bn

# for internal use; can be preseeded
preseed/include/checksum

# Integrity test failed
cdrom-checker/mismatch

# Load missing drivers from removable media?
hw-detect/load_media

# Keep default keyboard layout ()?
keyboard-configuration/unsupported_layout

# Start PC card services?
hw-detect/start_pcmcia

# for internal use; can be preseeded
debian-installer/add-kernel-opts

# for internal use; can be preseeded
mouse/protocol

# for internal use; can be preseeded
mouse/left

# for internal use
keyboard-configuration/layoutcode

# for internal use
keyboard-configuration/store_defaults_in_debconf_db

# Choices: Brazil, Portugal, other
localechooser/shortlist/pt

# for internal use; can be preseeded
preseed/early_command

# for internal use only
debian-installer/exit/always_halt

# Choices: Africa, Antarctica, Asia, Atlantic Ocean, Caribbea...
localechooser/continentlist

# Insert Debian boot CD-ROM
cdrom-checker/firstcd

# How should the debug logs be saved or transferred?
# Choices: floppy, web, mounted file system
save-logs/menu

# for internal use; can be preseeded
rescue/enable

# for internal use only
cdrom-detect/cdrom_fs

# Insert formatted floppy in drive
save-logs/insert_floppy

# Translations temporarily not available
localechooser/translation/none-yet

# Keymap to use:
# Choices: American English, Albanian, Arabic, Asturian, Bang...
keyboard-configuration/xkb-keymap

# for internal use; can be preseeded
mouse/device

# for internal use only
cdrom-detect/hybrid

# for internal use only
debconf/translations-dropped

# Country to base default locale settings on:
# Choices: Antigua and Barbuda${!TAB}-${!TAB}en_AG, Australia...
localechooser/preferred-locale

# Choices: Spain, France, other
localechooser/shortlist/eu

# Choices: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuad...
localechooser/countrylist/South_America

# Failed to mount CD-ROM
cdrom-checker/mntfailed

# Retry mounting the CD-ROM?
cdrom-detect/retry

# Choices: Serbia, Montenegro, other
localechooser/shortlist/sr

# Module needed for accessing the CD-ROM:
# Choices: 
cdrom-detect/cdrom_module

# for internal use; can be preseeded
preseed/file

# for internal use; can be preseeded
hw-detect/load-ide

# for internal use; can be preseeded
preseed/interactive

# Installation step failed
debian-installer/main-menu/item-failure

# Error while running ''
hw-detect/modprobe_error

# Choices: Pakistan, India, other
localechooser/shortlist/pa

# Use Control+Alt+Backspace to terminate the X server?
keyboard-configuration/ctrl_alt_bksp

# Choices: China, India, other
localechooser/shortlist/bo

# Language:
# Choices: C${!TAB}-${!TAB}No localization, Albanian${!TAB}-$...
localechooser/languagelist

# Installer components to load:
# Choices: 
anna/choose_modules_lowmem

# for internal use only
debian-installer/language

# for internal use
keyboard-configuration/variantcode

# Choices: Anguilla, Antigua and Barbuda, Aruba, Bahamas, Bar...
localechooser/countrylist/Caribbean

# Language selection no longer possible
localechooser/translation/no-select

# Failed to copy file from CD-ROM. Retry?
retriever/cdrom/error

# Choices: Afghanistan, Bahrain, Bangladesh, Bhutan, Brunei D...
localechooser/countrylist/Asia

# Write the changes to disk and configure encrypted volumes?
partman-crypto/confirm_nooverwrite

# for internal use; can be preseeded
debian-installer/country

# No valid Debian CD-ROM
cdrom-checker/wrongcd

# Choices: Belgium, Germany, Liechtenstein, Luxembourg, Austr...
localechooser/shortlist/de

# for internal use; can be preseeded
anna/standard_modules

# Failed to process the preconfiguration file
preseed/load_error

# for internal use; can be preseeded
preseed/file/checksum

# Device file for accessing the CD-ROM:
cdrom-detect/cdrom_device

# for internal use; can be preseeded
directfb/hw-accel

# for internal use; can be preseeded
debian-installer/allow_unauthenticated

# Continue the installation in the selected language?
localechooser/translation/warn-severe

# for internal use; can be preseeded
debian-installer/theme

# Choices: American Samoa, Australia, Cook Islands, Fiji, Fre...
localechooser/countrylist/Oceania

# Are you sure you want to exit now?
di-utils-reboot/really_reboot

# Choices: Brazil, Portugal, other
localechooser/shortlist/pt_BR

# for internal use only
debconf/frontend

# for internal use; can be preseeded
debian-installer/exit/halt

# Choices: Belize, Costa Rica, El Salvador, Guatemala, Hondur...
localechooser/countrylist/Central_America

# Keep the current keyboard layout in the configuration file?
keyboard-configuration/unsupported_config_layout

# Compose key:
# Choices: No compose key, Right Alt (AltGr), Right Control, ...
keyboard-configuration/compose

# Method for temporarily toggling between national and Latin ...
# Choices: No temporary switch, Both Logo keys, Right Alt (Al...
keyboard-configuration/switch

# Installer components to load:
# Choices: cfdisk-udeb: Manually partition a hard drive (cfdi...
anna/choose_modules

# Integrity test successful
cdrom-checker/passed

# Manually select a CD-ROM module and device?
cdrom-detect/manual_config

# Terminal plugin not available
debian-installer/terminal-plugin-unavailable

# Insert a Debian CD-ROM
cdrom-checker/askmount

# Additional locales:
# Choices: aa_DJ.UTF-8, aa_DJ, aa_ER, aa_ER@saaho, aa_ET, af_...
localechooser/supported-locales

# for internal use only
cdrom-detect/usb-hdd

# for internal use; can be preseeded
preseed/late_command

# Failed to run preseeded command
preseed/command_failed

# Modules to load:
# Choices: 
hw-detect/select_modules

# Keyboard model:
# Choices: 
keyboard-configuration/model

# Continue the installation in the selected language?
localechooser/translation/warn-light

# Choices: Aruba, Belgium, Netherlands, other
localechooser/shortlist/nl

# for internal use only
cdrom/codename

# Choices: British Indian Ocean Territory, Christmas Island, ...
localechooser/countrylist/Indian_Ocean

# for internal use; can be preseeded
preseed/boot_command

# Web server started
save-logs/httpd_running

# System locale:
# Choices: 
debian-installer/locale

# Choices: Macedonia\, Republic of, Albania, other
localechooser/shortlist/sq

# Country of origin for the keyboard:
# Choices: 
keyboard-configuration/layout

# Keymap to use:
# Choices: American English, Albanian, Arabic, Asturian, Bang...
keyboard-configuration/xkb-keymap

# Keyboard layout:
# Choices: English (US), English (US) - Cherokee, English (US...
keyboard-configuration/variant

# Keep default keyboard options ()?
keyboard-configuration/unsupported_options

# Use Control+Alt+Backspace to terminate the X server?
keyboard-configuration/ctrl_alt_bksp

# for internal use
keyboard-configuration/variantcode

# for internal use
keyboard-configuration/optionscode

# for internal use
keyboard-configuration/modelcode

# Keep current keyboard options in the configuration file?
keyboard-configuration/unsupported_config_options

# Keep the current keyboard layout in the configuration file?
keyboard-configuration/unsupported_config_layout

# Method for toggling between national and Latin mode:
# Choices: Caps Lock, Right Alt (AltGr), Right Control, Right...
keyboard-configuration/toggle

# Compose key:
# Choices: No compose key, Right Alt (AltGr), Right Control, ...
keyboard-configuration/compose

# Method for temporarily toggling between national and Latin ...
# Choices: No temporary switch, Both Logo keys, Right Alt (Al...
keyboard-configuration/switch

# Key to function as AltGr:
# Choices: The default for the keyboard layout, No AltGr key,...
keyboard-configuration/altgr

# Keep default keyboard layout ()?
keyboard-configuration/unsupported_layout

# Keyboard model:
# Choices: A4Tech KB-21, A4Tech KBS-8, A4Tech Wireless Deskto...
keyboard-configuration/model

# for internal use
keyboard-configuration/layoutcode

# for internal use
keyboard-configuration/store_defaults_in_debconf_db

Réponses:


4

Réponse courte

Depuis la page wiki Debian dédiée à la préconfiguration DI :

Ne travaillez pas sur un preseed.cfg généré par debconf-get-selections (--installer) mais récupérez-en les valeurs et modifiez l'exemple de fichier preseed avec elles.

Le fichier d' exemple de préconfiguration fourni par Debian devrait être suffisant pour démarrer, mais vous pouvez trouver de nombreux autres fichiers de préconfiguration fournis par différentes personnes à des fins différentes sur la même page wiki.

Réponse moins courte

Dans la liste des questions debconf que vous avez publiées, chaque question avec un commentaire "à usage interne" sans "peut être préconfiguré" ne doit pas être préconfigurée.

Mais beaucoup d'autres questions debconf peuvent ne pas recevoir de réponse préalable avec un fichier prédéfini, comme les questions liées au matériel (si vous souhaitez exécuter l'installation sur un matériel différent), les questions enregistrant un échec ou un succès de configuration automatique (ce qui peut dans certains cas particuliers mais pourrait sans problème recevoir une réponse grâce au processus automatique).

La sortie de debconf-get-selections contient un grand nombre de questions à réponse automatique que la plupart des gens ne voient jamais et ne se soucient pas. Ces choix automatiques évoluent avec le temps, avec de nouveaux matériels, logiciels, une meilleure détection ou de nouvelles possibilités. Il est important de toucher le moins possible à la configuration automatique, de bénéficier de toutes les améliorations de l'installateur Debian et de pouvoir limiter au minimum les modifications nécessaires à votre fichier prédéfini dans le temps et pour différents matériels.

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