UBUNTU 18.04 ZFS Install.sh

#!/bin/bash
sgdisk -Z -n9:-8M:0 -t9:bf07 -c9:sda9-Reserved -n1:1M:+512M -t1:EF00 -c1:sda1-EFI -n2:513M:+105G -t2:bf01 -c2:sda2-zfssytem /dev/sda

sgdisk -Z -n9:-8M:0 -t9:bf07 -c9:sdb9-Reserved -n1:1M:+512M -t1:EF00 -c1:sdb1-EFI -n2:513M:+105G -t2:bf01 -c2:sdb2-zfssytem -n3:0:0 -t2:bf01 -c3:sdb3-zfsdata /dev/sdb

sgdisk -Z -n9:-8M:0 -t9:bf07 -c9:sdc9-Reserved -n1:1M:+512M -t1:EF00 -c1:sdc1-EFI -n2:513M:+105G -t2:bf01 -c2:sdc2-zfssytem -n3:0:0 -t2:bf01 -c3:sdc3-zfsdata /dev/sdc

cat /proc/partitions
ls -lh /dev/disk/by-partlabel

apt update
apt -y install zfsutils-linux
mkdir -p /target

zpool create -f -o ashift=12 -O atime=off -O canmount=off -O compression=lz4 -O normalization=formD -O mountpoint=/ -R /target systempool mirror /dev/sda2 /dev/sdb2 /dev/sdc2

zpool status

zfs create -o canmount=off -o mountpoint=none systempool/ROOT

zfs create -o canmount=noauto -o mountpoint=/ -o exec=on -o setuid=on -o devices=on systempool/ROOT/ubuntu

zfs mount systempool/ROOT/ubuntu

zpool set bootfs=systempool/ROOT/ubuntu systempool
zfs set exec=off systempool
zfs set setuid=off systempool
zfs set devices=off systempool

zfs create -o canmount=off systempool/var
zfs create -o canmount=off systempool/var/lib
zfs create systempool/var/lib/apt
zfs create -o exec=on systempool/var/lib/dpkg
zfs create systempool/var/log
zfs create -o com.sun:auto-snapshot=false systempool/var/tmp
zfs create -o com.sun:auto-snapshot=false systempool/var/cache
zfs create -o com.sun:auto-snapshot=false systempool/var/cache/apt
zfs create systempool/var/spool
zfs create systempool/var/mail
zfs create -o com.sun:auto-snapshot=false -o exec=on systempool/tmp
zfs create -o exec=on systempool/root
zfs create -o mountpoint=/home systempool/home
zfs create -o mountpoint=/srv systempool/srv
df -h
zfs list

chmod 1777 /target/tmp
chmod 1777 /target/var/tmp

apt -y install debootstrap

debootstrap --include=zfsutils-linux bionic /target

echo asztalos01 > /target/etc/hostname
echo "127.0.1.1 asztalos01.matrixhome.lan asztalos01" >> /target/etc/hosts

cat <<EOF > /target/etc/netplan/00-lan-config.yaml
# This file is generated from information provided by
# the datasource.  Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
    ethernets:
        enp2s0:
            dhcp4: true
    version: 2
EOF


cat <<EOF > /target/configure.sh
#!/bin/bash

apt update

apt -y full-upgrade

apt -y install language-pack-hu

dpkg-reconfigure locales
dpkg-reconfigure debconf
dpkg-reconfigure tzdata

apt install --yes hfsprogs
apt install -y --no-install-recommends linux-image-generic
apt install -y gdisk dosfstools zfs-initramfs
apt -y install grub-efi
apt install --yes grub-efi-amd64-signed shim-signed

mkdosfs -F 32 -n EFI-SDA1 /dev/sda1
mkdosfs -F 32 -n EFI-SDB1 /dev/sdb1
mkdosfs -F 32 -n EFI-SDC1 /dev/sdc1

mkdir /boot/efi

# olds echo PARTUUID=$(blkid -s PARTUUID -o value /dev/disk/by-partlabel/sda1-EFI) /boot/efi vfat defaults 0 1 >> /etc/fstab

echo PARTUUID=$(blkid -s PARTUUID -o value /dev/disk/by-partlabel/sda1-EFI) /boot/efi vfat nofail,x-systemd.device-timeout=1 0 1 >> /etc/fstab

mount /boot/efi

grub-probe /

update-initramfs -u -k all
update-grub
grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=ubuntu --recheck --no-floppy
echo '\EFI\ubuntu\grubx64.efi' > /boot/efi/startup.nsh

ls /boot/grub/*/zfs.mod

apt -y ssh nano lshw rsync mc lswh ethtool di

passwd root

/bin/bash
EOF


cat <<EOF >> /etc/apt/sources.list
#deb http://archive.ubuntu.com/ubuntu bionic main
 deb http://archive.ubuntu.com/ubuntu bionic-updates main
 deb http://security.ubuntu.com/ubuntu bionic-security main
 deb http://archive.ubuntu.com/ubuntu/ bionic universe
 deb http://archive.ubuntu.com/ubuntu/ bionic-updates universe
 deb http://security.ubuntu.com/ubuntu bionic-security universe
EOF

chmod +x /target/configure.sh

mount --rbind /dev /target/dev
mount --rbind /proc /target/proc
mount --rbind /sys /target/sys
chroot /target /bin/bash
chroot /target /configure.sh



./configure.sh

umount -Rfl /target/dev
umount -Rfl /target/sys
umount -Rfl /target/proc
umount /target/boot/efi
zpool export systempool

echo DONE