Debian Preseed

preseed.cfg

d-i debian-installer/locale string en_US.UTF-8
d-i keyboard-configuration/xkb-keymap select us

# first ethernet interface for VirtualBox PC is enp0s3 #
d-i netcfg/choose_interface select enp0s3

d-i netcfg/get_hostname string debian
d-i netcfg/get_domain string example.com

d-i netcfg/wireless_wep string

d-i hw-detect/load_firmware boolean false

d-i mirror/country string manual
d-i mirror/http/hostname string ftp.debian.org
d-i mirror/http/directory string /debian
d-i mirror/http/proxy string

d-i mirror/suite string stretch

# d-i passwd/root-login boolean false

## This is virtual machine on development pc
## So, password security is not needed that much
d-i passwd/root-password password root
d-i passwd/root-password-again password root

## Default normal user
d-i passwd/user-fullname string Chatchai J
d-i passwd/username string cj
d-i passwd/user-password-crypted password !

d-i clock-setup/utc boolean true
d-i time/zone string Asia/Bangkok

d-i clock-setup/ntp boolean true
d-i clock-setup/ntp-server string pool.ntp.org

d-i partman-auto/init_automatically_partition select biggest_free

d-i partman-auto/disk string /dev/sda
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

d-i apt-setup/non-free boolean true
d-i apt-setup/contrib boolean true
d-i apt-setup/security_host string security.debian.org

d-i pkgsel/include string openssh-server
d-i pkgsel/upgrade select full-upgrade

popularity-contest popularity-contest/participate boolean false
d-i grub-installer/only_debian boolean true
d-i grub-installer/bootdev string /dev/sda
d-i finish-install/reboot_in_progress note
d-i debian-installer/exit/poweroff boolean true

d-i cdrom-detect/eject boolean true
d-i preseed/late_command string apt-install tmux htop etckeeper vim tcpdump tshark