2.cfg

d-i debian-installer/language string en
d-i debian-installer/country string HK
d-i debian-installer/locale string en_US.UTF-8
# Keyboard selection.
d-i console-setup/ask_detect boolean false
d-i keyboard-configuration console-setup/detected note
d-i keyboard-configuration/layoutcode string us
d-i keyboard-configuration/model select Generic 105-key (Intl) PC
d-i keyboard-configuration/xkb-keymap select us

# Network configuration
d-i netcfg/choose_interface select auto
d-i netcfg/hostname string ubuntu
d-i netcfg/wireless_wep string

# Mirror settings (assume no proxy is required)
d-i mirror/http/proxy string
d-i mirror/http/mirror select archive.ubuntu.com

# Skip creation of a root account (normal user account will be able to
# use sudo). The default is false; preseed this to true if you want to set
# a root password.
d-i passwd/root-login boolean true
# Alternatively, to skip creation of a normal user account.
d-i passwd/make-user boolean false

# Root password, either in clear text
d-i passwd/root-password password r00tme
d-i passwd/root-password-again password r00tme
# or encrypted using a crypt(3)  hash.
#d-i passwd/root-password-crypted password [crypt(3) hash]

# To create a normal user account.
# d-i passwd/user-fullname string abc
# d-i passwd/username string abc

# default password is ubuntu
# d-i passwd/user-password password paul
# d-i passwd/root-password-again password paul
d-i user-setup/allow-password-weak boolean true
d-i user-setup/encrypt-home boolean false

# Clock and time zone setup
d-i clock-setup/utc boolean true
d-i time/zone string Hong_Kong
d-i clock-setup/ntp boolean true
d-i clock-setup/ntp-server string stdtime.gov.hk

# Partitioning
d-i partman-auto/method string regular
d-i partman-lvm/device_remove_lvm boolean true
d-i partman-md/device_remove_md boolean true
d-i partman-lvm/confirm boolean true
d-i partman-lvm/confirm_nooverwrite boolean true
d-i partman-auto/choose_recipe select atomic
d-i partman/default_filesystem string ext4
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 partman/mount_style select uuid

# Package selection
# below command has no d-i in it, it is not an error
# remove this line alone allow selection of packages
tasksel tasksel/first multiselect Basic Ubuntu server
# the below packages will be installed even if you comment out the above line and choose nothing to install during package selection.
d-i pkgsel/include string openssh-server
d-i pkgsel/upgrade select none
d-i pkgsel/update-policy select none

# GRUB configuration, disable splash and quiet to reduce error in graphics drivers of virtual machines
d-i debian-installer/quiet boolean false
d-i debian-installer/splash boolean false
d-i grub-installer/only_debian boolean true
d-i grub-installer/timeout string 10

d-i finish-install/reboot_in_progress note
d-i cdrom-detect/eject boolean false

d-i preseed/late_command string	\
sed -ri 's/^#?PermitRootLogin.*/PermitRootLogin yes/g' /target/etc/ssh/sshd_config; \
sed -ri 's/^#?PasswordAuthentication.*/PasswordAuthentication yes/g' /target/etc/ssh/sshd_config