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BASE-CONFIG(8)              System Manager's Manual             BASE-CONFIG(8)

       base-config - Debian base system configuration

       base-config [new]

       base-config  is  the  program that was run when you first rebooted into
       your newly installed debian system. It walks you through setting up the
       system  and  downloading additional software, and so forth. The program
       can be run at any later date to walk you through essentially  the  same
       process again.

       base-config   generates   a  menu  of  choices  from  the  contents  of
       /usr/lib/base-config/, and from debconf templates.

       The .mnu files in /usr/lib/base-config/ control whether the  menu  item
       appears  only  on  new  installs  (Only-New: true), whether debconf can
       already be running when the item is  run  (Debconf:  true),  a  numeric
       Order  controls  placement  in the menu. If a .mnu file contains "Exit-
       Menu: true", then base-config will terminate after  running  that  menu
       item.  Finally,  a  "Changes-Menu:  true"  line  will  make base-config
       rebuild the menu after running the menu item.

       The .tst files in /usr/lib/base-config/ are run when base-config builds
       the menu and must return true for that menu item to appear on the menu.

       The menu items are taken from debconf, by looking for items in the deb-
       conf database named base-config/menu/whatever.

       When  a  menu  item  is  selected,  the   corresponding   program,   in
       /usr/lib/base-config  is  run.  If  this  is a fresh install onto a new
       debian system, the program receives "new" as its first argument.

       base-config checks the return codes of each of the programs. If a  pro-
       gram returns nonzero, the main menu is displayed (this may involve low-
       ering the debconf priority).

       Generally the user is advanced down the menu from item to item as  each
       succeeds.  If  a menu item needs to jump back to a previous item in the
       menu, or skip over a subsequent item, it can write the name of the next
       menu item to show to the file "jump-to" in the current directory.

       Every   base-config   run   is   logged   to  /var/log/base-config.log.
       /var/log/base-config.timings contains timing information to go with the
       log.  This allows replays of base-config runs using the replay(1) util-

       /var/log/debian-installer/cdebconf, if it exists, is used by  base-con-
       fig on new installs to get values from the debian-installer first stage

       Other packages can drop files into /usr/lib/base-config/, and add  menu
       titles  in  debconf,  and  they  will  be added to the menu. It is very
       strongly encouraged that any such programs communicate  with  the  user
       entirely  via  debconf, so that the base configuration maintains a con-
       sistent and professional look.

       Another useful thing for custom distributions  is  /usr/share/base-con-
       fig/debconf-seed.  If  that  directory exists, every file in it will be
       loaded into the debconf database using debconf-set-selections(1)

       If the file /var/log/debian-installer/debconf-seed is  created  by  the
       debian-installer, it will also be loaded into the debconf database.

       The following environment variables influence base-config.  These vari-
       ables may be set at run time, or for new installs, may be passed to the
       kernel  at the lilo(8) (or other bootloader) command line. Consult your
       boot loader's documentation for  details.  For  example,  lilo  can  be
       booted with something like "linux DEBIAN_FRONTEND=readline".




              Control various things about debconf(7)

              By  default,  base-config  deletes  the debs that debootstrap(8)
              used to install the system. This is  useful  on  very  low  disk
              installs.   If  you  don't want that to be done, and prefer that
              the debs be kept, set this variable to "yes".

       Joey Hess <joeyhATdebian.org>