Debian automated installer

Debian is distributed freely over Internet. You can download all of it from any of our mirrors. The Installation Manual contains detailed installation instructions. And, the release notes can be found here. This page has options for installing Debian Stable. If you are interested in Testing or Unstable, visit our releases page.

An official cloud image , built by the cloud team, can be used on:. Some of the books about Debian come with CDs, too. When you are ready, you can run the included installer starting from Debian 10 Buster, this is the end-user-friendly Calamares Installer. This means that if you have existing preconfiguration files that worked with the jessie installer, you cannot expect these to work with the new installer without modification. The Installation Guide has an updated separate appendix with extensive documentation on using preconfiguration.

Chapter 3. Installation System. Table of Contents 3. What's new in the installation system? Major changes 3. Automated installation. Major changes. Removed ports Support for the powerpc architecture has been removed. New ports Support for the mips64el architecture has been added to the installer. Graphical installer The graphical installer is now the default on supported platforms.

The kernel flavor has been bumped to i The kernel flavor i has been renamed to i , since i is no longer supported. Desktop selection Since jessie, the desktop can be chosen within tasksel during installation, and several desktops can be selected at the same time. New languages Thanks to the huge efforts of translators, Debian can now be installed in 75 languages, including English. Loading the preseeding file from a webserver Most install methods you can interrupt early on and add a URL to a preseed file, for an almost fully automated installations.

Note that if the preseed config is loaded over https the install environment may not recognise the certificates presented by the webserver. Default preseed files When creating a preseed file, you should start from a known good, default preseed file: Preseed file example for Debian Stable If you use a preseed file for an older, newer or otherwise different OS, you will most likely be prompted for answers at some point, even if you thought you automated everything. Obtaining the answers given during an interactive installer run The DebianInstaller logs the answers given during an interactive installation which can then be used to preseed a noninteractive installation.

Those logs can be accessed by giving the --installer option to debconf-get-selections. More information can be found in chapter B.

You can preseed answers for any debconf item in the following way: Install the debconf-utils package Get current debconf settings for DebianInstaller : debconf-get-selections --installer Get current debconf settings for installed packages: debconf-get-selections Copy any relevant values from the output of these commands, and add it to your custom preseed. Do not work off a debconf-get-selections --installer generated preseed.

You can check that the preseed file syntax is valid with debconf-set-selections -c preseed. Exhaustive preseed files SteveMcIntyre provides preseed files that contain the full list of available preseed options, extracted from the templates in all packages in the Debian archive.

Preseeding and the installer's debconf templates As part of its construction the DebianInstaller uses udeb files. These files are similar to normal. The answers to these questions can, in many cases, be preseeded. Not all udebs have a templates file. If you have a. With ls -l you should see something like file.