finish_ubuntu_deployment_minbase

sudo su
setxkbmap de

apt-get update

apt-get install --yes debootstrap

blkdiscard /dev/vda
sgdisk --zap-all /dev/vda

sgdisk     -n1:1M:+512M   -t1:EF00 /dev/vda
sgdisk     -n2:0:+2G      -t2:BE00 /dev/vda
sgdisk     -n3:0:+6G    -t3:8200 /dev/vda
sgdisk     -n4:0:0        -t4:BF00 /dev/vda

mkfs.ext4 /dev/vda4
mount /dev/vda4 /mnt

debootstrap \
--arch=amd64 \
--variant=minbase \
focal \
/mnt \
http://us.archive.ubuntu.com/ubuntu/

mount -o bind /dev /mnt/dev
mount -o bind /dev/pts /mnt/dev/pts
mount -t sysfs /sys /mnt/sys
mount -t proc /proc /mnt/proc

cp /proc/mounts /mnt/etc/mtab
cp /etc/resolv.conf /mnt/etc/resolv.conf
cp /etc/apt/sources.list /mnt/etc/apt/sources.list

chroot /mnt

echo "DESKTOP-`cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 9 | head -n 1`" > /etc/hostname
echo "nameserver 8.8.8.8" >> /etc/resolv.conf

apt-get update

apt-get install language-pack-de
apt-get install console-setup

dpkg-reconfigure tzdata

apt install -y --no-install-recommends \
    linux-generic  \
    iputils-ping dnsutils lsof isc-dhcp-client dhcpcd5 iproute2 net-tools netplan.io locales localepurge nano \
    dosfstools vim gdisk

cat >> /etc/netplan/01-netcfg.yaml << EOF
network:
  version: 2
  ethernets:
    enp1s0:
      dhcp4: true
EOF

mkdosfs -F 32 -s 1 -n EFI /dev/vda1
mkdir /boot/efi1


echo /dev/disk/by-uuid/$(blkid -s UUID -o value /dev/vda1) \
    /boot/efi1 vfat defaults 0 0 >> /etc/fstab

mount /boot/efi1
mkdir /boot/efi1/grub
mkdir /boot/grub1

echo /boot/efi1/grub /boot/grub1 none defaults,bind 0 0 >> /etc/fstab

mount /boot/grub1

apt install --yes \
    grub-efi-amd64 grub-efi-amd64-signed \
    shim-signed

passwd

mkswap -f /dev/vda3

echo /dev/disk/by-uuid/$(blkid -s UUID -o value /dev/vda3) \
    none swap discard 0 0 >> /etc/fstab

echo /dev/disk/by-uuid/$(blkid -s UUID -o value /dev/vda4) \
    / ext4 errors=remount-ro 0       1 >> /etc/fstab

cp /usr/share/systemd/tmp.mount /etc/systemd/system/
systemctl enable tmp.mount

addgroup --system lpadmin
addgroup --system lxd
addgroup --system sambashare

apt-get install -y initramfs-tools


update-initramfs -c -k all

cat > /etc/default/grub << EOF
GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_RECORDFAIL_TIMEOUT=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Ubuntu`
GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX=""
GRUB_TERMINAL=console
EOF

update-grub

grub-install --target=x86_64-efi --efi-directory=/boot/efi1 \
    --bootloader-id=ubuntu --recheck --no-floppy

apt install --yes openssh-server mlocate

adduser serveradmin

cp -a /etc/skel/. /home/serveradmin
chown -R serveradmin:serveradmin /home/serveradmin
chmod -R o-rwx /home/serveradmin
usermod -a -G adm,cdrom,dip,lpadmin,lxd,plugdev,sambashare serveradmin

for file in /etc/logrotate.d/* ; do
    if grep -Eq "(^|[^#y])compress" "$file" ; then
        sed -i -r "s/(^|[^#y])(compress)/\1#\2/" "$file"
    fi
done

exit

reboot