Example for Debian 12 Bookworm
# https://wiki.debian.org/DebianInstaller/Preseed # B.4.1. Localization d-i debian-installer/locale string en_US d-i debian-installer/locale string en_GB.UTF-8 d-i debian-installer/country string GB d-i debian-installer/language string en d-i keyboard-configuration/xkb-keymap select GB # B.4.2. Network configuration d-i netcfg/choose_interface select enp1s0 # B.4.3. Network console d-i netcfg/disable_autoconfig boolean true d-i netcfg/get_ipaddress string 192.168.0.110 d-i netcfg/get_netmask string 255.255.255.0 d-i netcfg/get_gateway string 192.168.0.1 d-i netcfg/get_nameservers string 192.168.0.177 d-i netcfg/confirm_static boolean true d-i netcfg/get_hostname string debian d-i netcfg/get_domain string example.com # B.4.4. Mirror settings # B.4.5. Account setup d-i passwd/root-login boolean true d-i passwd/make-user boolean false d-i passwd/root-password password root d-i passwd/root-password-again password root # B.4.6. Clock and time zone setup d-i clock-setup/utc boolean true d-i time/zone string Etc/UTC d-i clock-setup/ntp boolean true d-i clock-setup/ntp-server string debian.pool.ntp.org # B.4.7. Partitioning d-i partman-auto/disk string /dev/vda d-i partman-auto/method string regular d-i partman-auto/choose_recipe select atomic d-i partman-partitioning/confirm_write_new_label boolean true d-i partman/choose_partition select finish d-i partman/confirm boolean true d-i partman/confirm_nooverwrite boolean true # B.4.7.3. Controlling how partitions are mounted d-i partman/mount_style select uuid # B.4.8. Base system installation d-i base-installer/kernel/image string linux-image-amd64 # B.4.9. Apt setup d-i apt-setup/cdrom/set-first boolean false d-i apt-setup/non-free-firmware boolean false d-i apt-setup/non-free boolean false d-i apt-setup/contrib boolean false d-i apt-setup/disable-cdrom-entries boolean true d-i apt-setup/services-select multiselect security, updates d-i apt-setup/security_host string security.debian.org d-i debian-installer/allow_unauthenticated boolean false apt-mirror-setup apt-setup/use_mirror boolean false # B.4.10. Package selection tasksel tasksel/first multiselect standard, ssh-server d-i pkgsel/upgrade select full-upgrade popularity-contest popularity-contest/participate boolean false # B.4.11. Boot loader installation d-i grub-installer/only_debian boolean true d-i grub-installer/bootdev string /dev/vda # B.4.12. Finishing up the installation d-i finish-install/reboot_in_progress note d-i cdrom-detect/eject boolean true # B.4.13. Preseeding other packages # B.5.1. Running custom commands during the installation d-i preseed/late_command string \ in-target --pass-stdout echo PermitRootLogin yes >> /target/etc/ssh/sshd_config; \ in-target --pass-stdout echo deb http:\/\/deb.debian.org\/debian\/ bookworm main non-free-firmware >> /target/etc/apt/sources.list.d/bookworm.list; \ in-target --pass-stdout echo deb http:\/\/deb.debian.org\/debian\/ bookworm-updates main non-free-firmware >> /target/etc/apt/sources.list.d/bookworm.list; \ in-target --pass-stdout echo deb http:\/\/security.debian.org\/debian-security\/ bookworm-security main non-free-firmware >> /target/etc/apt/sources.list.d/bookworm.list; \ in-target apt-get update; \ in-target apt-get -y full-upgrade;