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+:B~ Customizing Debian Installer
+
+1~customizing-installer Customizing Debian Installer
+
+Live system images can be integrated with Debian Installer. There are a
+number of different types of installation, varying in what is included and
+how the installer operates.
+
+Please note the careful use of capital letters when referring to the "Debian
+Installer" in this section - when used like this we refer explicitly to the
+official installer for the Debian system, not anything else. It is often
+seen abbreviated to "d-i".
+
+2~ Types of Debian Installer
+
+The three main types of installer are:
+
+*{"Normal" Debian Installer}*: This is a normal live system image with a separate kernel and initrd which (when selected from the appropriate bootloader) launches into a standard Debian Installer instance, just as if you had downloaded a CD image of Debian and booted it. Images containing a live system and such an otherwise independent installer are often referred to as "combined images".
+
+On such images, Debian is installed by fetching and installing .deb packages
+using /{debootstrap}/, from local media or some network-based network,
+resulting in a default Debian system being installed to the hard disk.
+
+This whole process can be preseeded and customized in a number of ways; see
+the relevant pages in the Debian Installer manual for more information. Once
+you have a working preseeding file, live-build can automatically put it in
+the image and enable it for you.
+
+*{"Live" Debian Installer}*: This is a live system image with a separate kernel and initrd which (when selected from the appropriate bootloader) launches into an instance of the Debian Installer.
+
+Installation will proceed in an identical fashion to the "normal"
+installation described above, but at the actual package installation stage,
+instead of using /{debootstrap}/ to fetch and install packages, the live
+filesystem image is copied to the target. This is achieved with a special
+udeb called live-installer.
+
+After this stage, the Debian Installer continues as normal, installing and
+configuring items such as bootloaders and local users, etc.
+
+*{Note:}* to support both normal and live installer entries in the bootloader of the same live medium, you must disable live-installer by preseeding #{live-installer/enable=false}#.
+
+*{"Desktop" Debian Installer}*: Regardless of the type of Debian Installer included, #{d-i}# can be launched from the Desktop by clicking on an icon. This is user friendlier in some situations. In order to make use of this, the debian-installer-launcher package needs to be included.
+
+Note that by default, live-build does not include Debian Installer images in
+the images, it needs to be specifically enabled with #{lb config}#. Also,
+please note that for the "Desktop" installer to work, the kernel of the live
+system must match the kernel #{d-i}# uses for the specified
+architecture. For example:
+
+code{
+
+ $ lb config --architectures i386 --linux-flavours 586 \
+ --debian-installer live
+ $ echo debian-installer-launcher >> config/package-lists/my.list.chroot
+
+}code
+
+2~ Customizing Debian Installer by preseeding
+
+As described in the Debian Installer Manual, Appendix B at
+https://www.debian.org/releases/stable/i386/apb.html, "Preseeding provides a
+way to set answers to questions asked during the installation process,
+without having to manually enter the answers while the installation is
+running. This makes it possible to fully automate most types of installation
+and even offers some features not available during normal installations."
+This kind of customization is best accomplished with live-build by placing
+the configuration in a #{preseed.cfg}# file included in
+#{config/includes.installer/}#. For example, to preseed setting the locale
+to #{en_US}#:
+
+code{
+
+ $ echo "d-i debian-installer/locale string en_US" \
+ >> config/includes.installer/preseed.cfg
+
+}code
+
+2~ Customizing Debian Installer content
+
+For experimental or debugging purposes, you might want to include locally
+built #{d-i}# component udeb packages. Place these in
+#{config/packages.binary/}# to include them in the image. Additional or
+replacement files and directories may be included in the installer initrd as
+well, in a similar fashion to {Live/chroot local
+includes}#live-chroot-local-includes, by placing the material in
+#{config/includes.installer/}#.