curiouser / gist:e31cc22b2ba34df38a1a625d1c964570

#! /usr/bin/env bash # adapted from https://docs.zfsbootmenu.org/en/v2.3.x/guides/ubuntu/uefi.html # script is not meant to be run non-interactively. read and understand before executing sudo -i source /etc/os-release export ID export POOL_DISK="/dev/sdg" export POOL_PART="3" export POOL_DEVICE="${POOL_DISK}${POOL_PART}" echo 'passphrase' > /etc/zfs/zroot.key chmod 000 /etc/zfs/zroot.key zpool create -f -o ashift=12 \ -O compression=zstd \ -O acltype=posixacl \ -O xattr=sa \ -O relatime=on \ -O encryption=aes-256-gcm \ -O keylocation=file:///etc/zfs/zroot.key \ -O keyformat=passphrase \ -o autotrim=on \ -o compatibility=openzfs-2.1-linux \ -m none zroot "$POOL_DEVICE" zfs create -o mountpoint=none zroot/ROOT zfs create -o mountpoint=/ -o canmount=noauto zroot/ROOT/${ID} zfs create -o mountpoint=/home zroot/home zpool set bootfs=zroot/ROOT/${ID} zroot zpool export zroot zpool import -N -R /mnt zroot zfs load-key -L prompt zroot zfs mount zroot/ROOT/${ID} zfs mount zroot/home udevadm trigger rsync -avAHXx --numeric-ids --exclude='/home' --exclude='/timeshift' /media/curiouser/5b30118c-3837-4895-9c60-70ea27dd36d9/ mnt/ rsync -av --numeric-ids /media/curiouser/5b30118c-3837-4895-9c60-70ea27dd36d9/home/ mnt/home/ mount -t proc proc mnt/proc mount -t sysfs sys mnt/sys mount -B /dev mnt/dev mount -t devpts pts mnt/dev/pts chroot mnt /bin/bash source /etc/os-release export ID apt update apt install zfs-initramfs zfsutils-linux systemctl enable zfs.target systemctl enable zfs-import-cache systemctl enable zfs-mount systemctl enable zfs-import.target echo "UMASK=0077" > /etc/initramfs-tools/conf.d/umask.conf update-initramfs -c -k all zfs set org.zfsbootmenu:commandline="systemd.show_status=false splash loglevel=0 quiet resume=UUID=9a4e4168-0964-4895-8d40-0e1ee0bf5d9a" zroot/ROOT zfs set org.zfsbootmenu:keysource="zroot/ROOT/${ID}" zroot exit umount -n -R /mnt zpool export zroot sudo -i apt remove kernelstub apt-mark hold kernelstub grub-pc grub-efi-amd64 grub-efi-amd64:i386 grub-efi-ia32 lilo # next time you have a kernel update, you'll likely have to upgrade with flags since we've held back dependencies sudo apt upgrade --with-new-pkgs linux-generic # assumes your ESP is mounted at /boot/efi # copy zbm boot files wget -qO- https://get.zfsboot.menu/components/release | tar xvz -C /boot/efi/EFI # ignore ownership errors mv /boot/efi/EFI/zfsbootmenu-release-x86_64-v* /boot/efi/EFI/zbm # add entries cat <EOF > /boot/efi/loader/entries/pop.conf title Pop!_OS linux /EFI/zbm/vmlinuz-bootmenu initrd /EFI/zbm/initramfs-bootmenu.img options zbm.skip systemd.show_status=false splash loglevel=0 quiet EOF cat <EOF > /boot/efi/loader/entries/zbm.conf title ZFSBootMenu linux /EFI/zbm/vmlinuz-bootmenu initrd /EFI/zbm/initramfs-bootmenu.img options zbm.show EOF echo 'default pop' > /boot/efi/loader/loader.conf # removing kernelstub entries and boot files rm /boot/efi/loader/entries/Pop-* rm -r /boot/efi/EFI/Pop* # reboot into system systemctl reboot