debian autoinstall with preseed.cfg

#Location
# set installer language
d-i debian-installer/language string en
# set installer country
d-i debian-installer/country string DE
# set installer locale
d-i debian-installer/locale string en_US.UTF-8
# set installer keyboard
d-i keyboard-configuration/xkb-keymap select de
####################################################################
 
# network
d-i netcfg/enable boolean true
d-i netcfg/choose_interface select auto
d-i netcfg/hostname string kali-net
####################################################################
 
# firmware
d-i hw-detect/load_firmware boolean true
####################################################################
 
 
# debian mirror
d-i mirror/country string manual
d-i mirror/http/hostname string ftp2.de.debian.org
d-i mirror/http/directory string /debian
d-i mirror/http/proxy string
d-i mirror/suite string stable
####################################################################
 
#USERS
# set the initial root password
d-i passwd/root-password password user
d-i passwd/root-password-again password user
 
# To create a normal user account.
d-i passwd/user-fullname string user
d-i passwd/username string user
# Normal user's password, either in clear text
d-i passwd/user-password password user
d-i passwd/user-password-again password user
 
d-i passwd/auto-login boolean true
 
####################################################################
 
# set timezone
d-i clock-setup/utc boolean true
d-i time/zone string Europe/Berlin
####################################################################
 
# Partitioning
#vbox
#d-i partman-auto/disk string /dev/sda
#kvm virtmanager
d-i partman-auto/disk string /dev/vda
d-i partman-auto/method string regular
d-i partman-auto/choose_recipe select atomic
#and fire !
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
 
# select software to install
tasksel tasksel/first multiselect standard, desktop-kde
 
# packages
d-i pkgsel/include string linux-headers-amd64 gcc make perl code-oss ffuf gobuster metasploit-framework zaproxy seclists tmux openvpn sqlmap vim vim-airline vim-airline-themes vim-ctrlp vim-youcompleteme yakuake xclip python3-bs4 nfs-common python3-pip rlwrap python3-impacket
 
# cmds after install in target
#d-i preseed/late_command string in-target sh -c 'echo "[Autologin]\nRelogin=false\nSession=plasma\nUser=user\n" >> /etc/sddm.conf.d/kde_settings.conf'
# sudo adduser user vboxsf
#   cp /cdrom/partition.sh /target/root/
d-i preseed/late_command string tar xzf /cdrom/tmux-vim.tar.gz -C /target/home/user;
#in-target sh SCRIPT 
 
# update my software if it is installed
d-i pkgsel/upgrade select full-upgrade
 
# I don't want to publish my software usage
#popularity-contest popularity-contest/participate boolean false
 
#GRUB
d-i grub-installer/with_other_os boolean true
d-i grub-installer/bootdev  string default
#d-i grub-installer/only_debian boolean true
d-i finish-install/reboot_in_progress note

#MakeISO
ISO='kali-linux-2021.3a-installer-netinst-amd64.iso'
# create a folder for mounting the iso
mkdir ORIGISO
# create a folder for the content of the new iso
mkdir NEWISO
# mount the downloaded iso
sudo mount -o loop $ISO ./ORIGISO
# copy the content of the original ISO to the workspace
sudo cp -rT ./ORIGISO/ ./NEWISO/
#copy extra files
cp tmux-vim.tar.gz ./NEWISO/
#rsync -avhP ./ORGISO ./NEWISO
#umount the iso
sudo umount ./ORIGISO
# now the magic beginns
chmod +w -R ./NEWISO/install.amd/
gunzip ./NEWISO/install.amd/initrd.gz
echo preseed.cfg | cpio -H newc -o -A -F ./NEWISO/install.amd/initrd
gzip ./NEWISO/install.amd/initrd
chmod -w -R ./NEWISO/install.amd
chmod +w ./NEWISO/md5sum.txt
# copy-here-the-scripts?
find -follow -type f ! -name md5sum.txt -print0 | xargs -0 md5sum > ./NEWISO/md5sum.txt
chmod -w ./NEWISO/md5sum.txt
# generate the iso
sudo genisoimage -r -J -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -o preseed-debian-10.iso ./NEWISO
# remove all the temporary stuff
sudo rm -fR ./ORIGISO ./NEWIS