Debian Preseed Generator

Generate automated installation configuration files for Debian 12 (Bookworm).

What is a Preseed File?

A preseed file allows you to answer questions posed by the Debian installer automatically, enabling fully unattended installations. Once generated, you can host the file on an HTTP server and pass its URL to the installer via the kernel command line, or embed it directly in a Debian ISO.

Supported Release

Generated configurations target Debian 12 (Bookworm). The preseed format and d-i directives used are specific to this release.

Considerations

  • Network configuration – static IP configuration is supported. DHCP is used when manual configuration is disabled.
  • Partitioning – LVM is always used. You can choose between a legacy BIOS boot partition (ext2) or a UEFI EFI System Partition (fat32).
  • ARM64 – Select the arm64 architecture to install the correct kernel image. Network firmware autoloading is disabled by default.
  • Generated files – Download links are valid for 15 minutes.
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