Preseed file for network console installation, ubuntu 19.10

dnsmasq.conf

interface=eth1
bind-interfaces
domain=pxe.local
dhcp-range=eth1,192.168.100.51,192.168.100.55,255.255.255.0,8h
dhcp-option=3,192.168.100.2 # gateway
dhcp-option=6,192.168.100.2 # dns
enable-tftp
tftp-root=/srv/tftp
dhcp-vendorclass=BIOS,PXEClient:Arch:00000
dhcp-vendorclass=UEFI32,PXEClient:Arch:00006
dhcp-vendorclass=UEFI,PXEClient:Arch:00007
dhcp-vendorclass=UEFI64,PXEClient:Arch:00009
dhcp-boot=net:BIOS,pxelinux.0
dhcp-boot=net:UEFI,grubnetx64.efi.signed
dhcp-boot=net:UEFI64,grubnetx64.efi.signed

network-console.seed

# This file should be placed in /var/www/html/seed
# Assuming that the ubuntu-19.10-server-amd64.iso is mounted to /var/www/html/iso

d-i debconf/priority                   select critical
d-i auto-install/enabled               boolean true
d-i netcfg/choose_interface            select auto
d-i netcfg/get_hostname                string boris
d-i network-console/password           password 123
d-i network-console/password-again     password 123

d-i mirror/country                     string manual
d-i mirror/http/hostname               string 192.168.100.50
d-i mirror/http/directory              string /iso

d-i debian-installer/locale            string en_US
d-i console-setup/ask_detect           boolean false
d-i keyboard-configuration/xkb-keymap  select us
d-i pkgsel/install-language-support    boolean false

d-i preseed/early_command              string anna-install network-console

syslinux.cfg

# This file should be placed in /srv/tftp/ubuntu-installer/amd64/boot-screens
prompt 0
timeout 10

txt.cfg

# This file should be placed in /srv/tftp/ubuntu-installer/amd64/boot-screens
# Assuming that the netboot image was created with: cp -R /var/www/html/iso/install/netboot/* /srv/tftp
default install                                                                                                                 
label install                                                                                                                   
       menu label ^Install                                                                                                     
       menu default                                                                                                            
       kernel ubuntu-installer/amd64/linux                                                                                     
       append vga=788 initrd=ubuntu-installer/amd64/initrd.gz --- auto=true hostname=boris url=http://192.168.100.50/seed/network-console.seed