Grub fix (#64)

* zed initial load proc fix

README.md

@@ -2,7 +2,7 @@
 
 [![shellcheck](https://github.com/terem42/zfs-hetzner-vm/actions/workflows/shellcheck.yml/badge.svg)](https://github.com/terem42/zfs-hetzner-vm/actions/workflows/shellcheck.yml)
 
-Scripts to install Debian 11, 10 or Ubuntu 18 LTS, 20 LTS, 22 LTS with ZFS root on Hetzner root servers (virtual and dedicated).<br/>
+Scripts to install Debian 10, 11, 12 or Ubuntu 18 LTS, 20 LTS, 22 LTS with ZFS root on Hetzner root servers (virtual and dedicated).<br/>
 __WARNING:__ all data on the disk will be destroyed.
 
 ## How to use:
@@ -24,6 +24,12 @@ Debian 11 minimal setup with SSH server
 wget -qO- https://raw.githubusercontent.com/terem42/zfs-hetzner-vm/master/hetzner-debian11-zfs-setup.sh | bash -
 ````
 
+Debian 12 minimal setup with SSH server
+
+````bash
+wget -qO- https://raw.githubusercontent.com/terem42/zfs-hetzner-vm/master/hetzner-debian12-zfs-setup.sh | bash -
+````
+
 Ubuntu 18.04 LTS minimal setup with SSH server
 
 ````bash

hetzner-debian10-zfs-setup.sh

@@ -138,20 +138,20 @@ function check_prerequisites {
 
 function initial_load_debian_zed_cache {
   chroot_execute "mkdir /etc/zfs/zfs-list.cache"
-  chroot_execute "touch /etc/zfs/zfs-list.cache/rpool"
+  chroot_execute "touch /etc/zfs/zfs-list.cache/$v_rpool_name"
   chroot_execute "ln -sf /usr/lib/zfs-linux/zed.d/history_event-zfs-list-cacher.sh /etc/zfs/zed.d/"
 
   chroot_execute "zed -F &"
 
   local success=0
 
-  if [[ ! -e /mnt/etc/zfs/zfs-list.cache/rpool ]] || [[ -e /mnt/etc/zfs/zfs-list.cache/rpool && (( $(find /mnt/etc/zfs/zfs-list.cache/rpool -type f -printf '%s' 2> /dev/null) == 0 )) ]]; then
-    chroot_execute "zfs set canmount=noauto rpool"
+  if [[ ! -e "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" ]] || [[ -e "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" && (( $(find "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" -type f -printf '%s' 2> /dev/null) == 0 )) ]]; then  
+    chroot_execute "zfs set canmount=noauto $v_rpool_name"
 
     SECONDS=0
 
-    while (( SECONDS++ <= 300 )); do
-      if [[ -e /mnt/etc/zfs/zfs-list.cache/rpool ]] && (( $(find /mnt/etc/zfs/zfs-list.cache/rpool -type f -printf '%s' 2> /dev/null) > 0 )); then
+    while (( SECONDS++ <= 120 )); do
+      if [[ -e "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" ]] && (( $(find "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" -type f -printf '%s' 2> /dev/null) > 0 )); then
         success=1
         break
       else
@@ -169,7 +169,7 @@ function initial_load_debian_zed_cache {
 
   chroot_execute "pkill zed"
 
-  sed -Ei 's|/mnt/?|/|g' /mnt/etc/zfs/zfs-list.cache/rpool
+  sed -Ei "s|/$c_zfs_mount_dir/?|/|g" "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name"
 }
 
 function find_suitable_disks {
@@ -494,9 +494,20 @@ for kver in $(find /lib/modules/* -maxdepth 0 -type d | grep -v "$(uname -r)" |
 done
 
 echo "======= installing zfs on rescue system =========="
-  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections
-  apt-get install --yes software-properties-common
-  echo "y" | zfs
+  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections  
+#  echo "y" | zfs
+# linux-headers-generic linux-image-generic
+  apt install --yes software-properties-common dpkg-dev dkms
+  rm -f "$(which zfs)"
+  rm -f "$(which zpool)"
+  echo -e "deb http://deb.debian.org/debian/ testing main contrib non-free\ndeb http://deb.debian.org/debian/ testing main contrib non-free\n" >/etc/apt/sources.list.d/bookworm-testing.list
+  echo -e "Package: src:zfs-linux\nPin: release n=testing\nPin-Priority: 990\n" > /etc/apt/preferences.d/90_zfs
+  apt update  
+  apt install -t testing --yes zfs-dkms zfsutils-linux
+  rm /etc/apt/sources.list.d/bookworm-testing.list
+  rm /etc/apt/preferences.d/90_zfs
+  apt update
+  export PATH=$PATH:/usr/sbin
   zfs --version
 
 echo "======= partitioning the disk =========="
@@ -562,9 +573,7 @@ zfs create -o canmount=noauto -o mountpoint=/boot "$v_bpool_name/BOOT/debian"
 zfs mount "$v_bpool_name/BOOT/debian"
 
 zfs create                                 "$v_rpool_name/home"
-zfs create -o mountpoint=/root             "$v_rpool_name/home/root"
 zfs create -o canmount=off                 "$v_rpool_name/var"
-zfs create -o canmount=off                 "$v_rpool_name/var/lib"
 zfs create                                 "$v_rpool_name/var/log"
 zfs create                                 "$v_rpool_name/var/spool"
 
@@ -615,7 +624,7 @@ ff02::2 ip6-allrouters
 ff02::3 ip6-allhosts
 CONF
 
-ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p')
+ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p' | head -n 1)
 
 cat <<CONF > /mnt/etc/systemd/network/10-eth0.network
 [Match]
@@ -629,9 +638,6 @@ CONF
 chroot_execute "systemctl enable systemd-networkd.service"
 chroot_execute "systemctl enable systemd-resolved.service"
 
-
-cp /etc/resolv.conf $c_zfs_mount_dir/etc/resolv.conf
-
 echo "======= preparing the jail for chroot =========="
 for virtual_fs_dir in proc sys dev; do
   mount --rbind "/$virtual_fs_dir" "$c_zfs_mount_dir/$virtual_fs_dir"
@@ -749,7 +755,7 @@ chroot_execute "grub-install ${v_selected_disks[0]}"
 
 chroot_execute "sed -i 's/#GRUB_TERMINAL=console/GRUB_TERMINAL=console/g' /etc/default/grub"
 chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"net.ifnames=0\"|' /etc/default/grub"
-chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=rpool/ROOT/debian\"|g' /etc/default/grub"
+chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=$v_rpool_name/ROOT/debian\"|g' /etc/default/grub"
 
 chroot_execute "sed -i 's/quiet//g' /etc/default/grub"
 chroot_execute "sed -i 's/splash//g' /etc/default/grub"
@@ -763,7 +769,8 @@ if [[ $v_encrypt_rpool == "1" ]]; then
   echo "=========set up dropbear=============="
 
   chroot_execute "apt install --yes dropbear-initramfs"
-
+    
+  mkdir -p "$c_zfs_mount_dir/etc/dropbear-initramfs"
   cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/etc/dropbear-initramfs/authorized_keys"
 
   cp "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key" "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key_temp"
@@ -790,6 +797,7 @@ CONF
 
 echo "========running packages upgrade==========="
 chroot_execute "apt upgrade --yes"
+chroot_execute "apt purge cryptsetup* --yes"
 
 echo "===========add static route to initramfs via hook to add default routes for Hetzner due to Debian/Ubuntu initramfs DHCP bug ========="
 mkdir -p "$c_zfs_mount_dir/usr/share/initramfs-tools/scripts/init-premount"
@@ -822,7 +830,7 @@ auto lo
 iface lo inet loopback
 iface lo inet6 loopback
 
-auto eth0
+allow-hotplug eth0
 iface eth0 inet dhcp
 iface eth0 inet6 dhcp
 CONF
@@ -837,7 +845,7 @@ chroot_execute "update-grub"
 
 echo "======= setting up zed =========="
 if [[ $v_zfs_experimental == "1" ]]; then
-  chroot_execute "zfs set canmount=noauto rpool"
+  chroot_execute "zfs set canmount=noauto $v_rpool_name"
 else
   initial_load_debian_zed_cache
 fi

hetzner-debian11-zfs-setup.sh

@@ -139,20 +139,20 @@ function check_prerequisites {
 
 function initial_load_debian_zed_cache {
   chroot_execute "mkdir /etc/zfs/zfs-list.cache"
-  chroot_execute "touch /etc/zfs/zfs-list.cache/rpool"
+  chroot_execute "touch /etc/zfs/zfs-list.cache/$v_rpool_name"
   chroot_execute "ln -sf /usr/lib/zfs-linux/zed.d/history_event-zfs-list-cacher.sh /etc/zfs/zed.d/"
 
   chroot_execute "zed -F &"
 
   local success=0
 
-  if [[ ! -e /mnt/etc/zfs/zfs-list.cache/rpool ]] || [[ -e /mnt/etc/zfs/zfs-list.cache/rpool && (( $(find /mnt/etc/zfs/zfs-list.cache/rpool -type f -printf '%s' 2> /dev/null) == 0 )) ]]; then  
-    chroot_execute "zfs set canmount=noauto rpool"
+  if [[ ! -e "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" ]] || [[ -e "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" && (( $(find "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" -type f -printf '%s' 2> /dev/null) == 0 )) ]]; then  
+    chroot_execute "zfs set canmount=noauto $v_rpool_name"
 
     SECONDS=0
 
     while (( SECONDS++ <= 120 )); do
-      if [[ -e /mnt/etc/zfs/zfs-list.cache/rpool ]] && (( $(find /mnt/etc/zfs/zfs-list.cache/rpool -type f -printf '%s' 2> /dev/null) > 0 )); then
+      if [[ -e "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" ]] && (( $(find "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" -type f -printf '%s' 2> /dev/null) > 0 )); then
         success=1
         break
       else
@@ -170,7 +170,7 @@ function initial_load_debian_zed_cache {
 
   chroot_execute "pkill zed"
 
-  sed -Ei 's|/mnt/?|/|g' /mnt/etc/zfs/zfs-list.cache/rpool
+  sed -Ei "s|/$c_zfs_mount_dir/?|/|g" "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name"
 }
 
 function find_suitable_disks {
@@ -495,9 +495,20 @@ for kver in $(find /lib/modules/* -maxdepth 0 -type d | grep -v "$(uname -r)" |
 done
 
 echo "======= installing zfs on rescue system =========="
-  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections
-  apt-get install --yes software-properties-common
-  echo "y" | zfs
+  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections  
+#  echo "y" | zfs
+# linux-headers-generic linux-image-generic
+  apt install --yes software-properties-common dpkg-dev dkms
+  rm -f "$(which zfs)"
+  rm -f "$(which zpool)"
+  echo -e "deb http://deb.debian.org/debian/ testing main contrib non-free\ndeb http://deb.debian.org/debian/ testing main contrib non-free\n" >/etc/apt/sources.list.d/bookworm-testing.list
+  echo -e "Package: src:zfs-linux\nPin: release n=testing\nPin-Priority: 990\n" > /etc/apt/preferences.d/90_zfs
+  apt update  
+  apt install -t testing --yes zfs-dkms zfsutils-linux
+  rm /etc/apt/sources.list.d/bookworm-testing.list
+  rm /etc/apt/preferences.d/90_zfs
+  apt update
+  export PATH=$PATH:/usr/sbin
   zfs --version
 
 echo "======= partitioning the disk =========="
@@ -563,9 +574,7 @@ zfs create -o canmount=noauto -o mountpoint=/boot "$v_bpool_name/BOOT/debian"
 zfs mount "$v_bpool_name/BOOT/debian"
 
 zfs create                                 "$v_rpool_name/home"
-zfs create -o mountpoint=/root             "$v_rpool_name/home/root"
 zfs create -o canmount=off                 "$v_rpool_name/var"
-zfs create -o canmount=off                 "$v_rpool_name/var/lib"
 zfs create                                 "$v_rpool_name/var/log"
 zfs create                                 "$v_rpool_name/var/spool"
 
@@ -616,7 +625,7 @@ ff02::2 ip6-allrouters
 ff02::3 ip6-allhosts
 CONF
 
-ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p')
+ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p' | head -n 1)
 
 cat <<CONF > /mnt/etc/systemd/network/10-eth0.network
 [Match]
@@ -630,8 +639,7 @@ CONF
 chroot_execute "systemctl enable systemd-networkd.service"
 chroot_execute "systemctl enable systemd-resolved.service"
 
-
-cp /etc/resolv.conf $c_zfs_mount_dir/etc/resolv.conf
+#cp /etc/resolv.conf $c_zfs_mount_dir/etc/resolv.conf
 
 echo "======= preparing the jail for chroot =========="
 for virtual_fs_dir in proc sys dev; do
@@ -752,7 +760,7 @@ chroot_execute "grub-install --recheck ${v_selected_disks[0]}"
 
 chroot_execute "sed -i 's/#GRUB_TERMINAL=console/GRUB_TERMINAL=console/g' /etc/default/grub"
 chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"net.ifnames=0\"|' /etc/default/grub"
-chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=rpool/ROOT/debian\"|g' /etc/default/grub"
+chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=$v_rpool_name/ROOT/debian\"|g' /etc/default/grub"
 
 chroot_execute "sed -i 's/quiet//g' /etc/default/grub"
 chroot_execute "sed -i 's/splash//g' /etc/default/grub"
@@ -766,21 +774,22 @@ if [[ $v_encrypt_rpool == "1" ]]; then
   echo "=========set up dropbear=============="
 
   chroot_execute "apt install --yes dropbear-initramfs"
-
-  cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/etc/dropbear-initramfs/authorized_keys"
+  
+  mkdir -p "$c_zfs_mount_dir/etc/dropbear/initramfs"
+  cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/etc/dropbear/initramfs/authorized_keys"
 
   cp "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key" "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key_temp"
   chroot_execute "ssh-keygen -p -i -m pem -N '' -f /etc/ssh/ssh_host_rsa_key_temp"
-  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_rsa_key_temp /etc/dropbear-initramfs/dropbear_rsa_host_key"
+  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_rsa_key_temp /etc/dropbear/initramfs/dropbear_rsa_host_key"
   rm -rf "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key_temp"
 
   cp "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key" "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key_temp"
   chroot_execute "ssh-keygen -p -i -m pem -N '' -f /etc/ssh/ssh_host_ecdsa_key_temp"
-  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_ecdsa_key_temp /etc/dropbear-initramfs/dropbear_ecdsa_host_key"
+  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_ecdsa_key_temp /etc/dropbear/initramfs/dropbear_ecdsa_host_key"
   chroot_execute "rm -rf /etc/ssh/ssh_host_ecdsa_key_temp"
   rm -rf "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key_temp"
 
-  rm -rf "$c_zfs_mount_dir/etc/dropbear-initramfs/dropbear_dss_host_key"
+  rm -rf "$c_zfs_mount_dir/etc/dropbear/initramfs/dropbear_dss_host_key"
 fi
 
 echo "============setup root prompt============"
@@ -793,6 +802,7 @@ CONF
 
 echo "========running packages upgrade==========="
 chroot_execute "apt upgrade --yes"
+chroot_execute "apt purge cryptsetup* --yes"
 
 echo "===========add static route to initramfs via hook to add default routes for Hetzner due to Debian/Ubuntu initramfs DHCP bug ========="
 mkdir -p "$c_zfs_mount_dir/usr/share/initramfs-tools/scripts/init-premount"
@@ -832,7 +842,7 @@ chroot_execute "update-grub"
 
 echo "======= setting up zed =========="
 if [[ $v_zfs_experimental == "1" ]]; then
-  chroot_execute "zfs set canmount=noauto rpool"
+  chroot_execute "zfs set canmount=noauto $v_rpool_name"
 else
   initial_load_debian_zed_cache
 fi

hetzner-debian12-zfs-setup.sh

@@ -139,20 +139,20 @@ function check_prerequisites {
 
 function initial_load_debian_zed_cache {
   chroot_execute "mkdir /etc/zfs/zfs-list.cache"
-  chroot_execute "touch /etc/zfs/zfs-list.cache/rpool"
+  chroot_execute "touch /etc/zfs/zfs-list.cache/$v_rpool_name"
   chroot_execute "ln -sf /usr/lib/zfs-linux/zed.d/history_event-zfs-list-cacher.sh /etc/zfs/zed.d/"
 
   chroot_execute "zed -F &"
 
   local success=0
 
-  if [[ ! -e /mnt/etc/zfs/zfs-list.cache/rpool ]] || [[ -e /mnt/etc/zfs/zfs-list.cache/rpool && (( $(find /mnt/etc/zfs/zfs-list.cache/rpool -type f -printf '%s' 2> /dev/null) == 0 )) ]]; then  
-    chroot_execute "zfs set canmount=noauto rpool"
+  if [[ ! -e "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" ]] || [[ -e "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" && (( $(find "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" -type f -printf '%s' 2> /dev/null) == 0 )) ]]; then  
+    chroot_execute "zfs set canmount=noauto $v_rpool_name"
 
     SECONDS=0
 
     while (( SECONDS++ <= 120 )); do
-      if [[ -e /mnt/etc/zfs/zfs-list.cache/rpool ]] && (( $(find /mnt/etc/zfs/zfs-list.cache/rpool -type f -printf '%s' 2> /dev/null) > 0 )); then
+      if [[ -e "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" ]] && (( $(find "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name" -type f -printf '%s' 2> /dev/null) > 0 )); then
         success=1
         break
       else
@@ -170,7 +170,7 @@ function initial_load_debian_zed_cache {
 
   chroot_execute "pkill zed"
 
-  sed -Ei 's|/mnt/?|/|g' /mnt/etc/zfs/zfs-list.cache/rpool
+  sed -Ei "s|/$c_zfs_mount_dir/?|/|g" "$c_zfs_mount_dir/etc/zfs/zfs-list.cache/$v_rpool_name"
 }
 
 function find_suitable_disks {
@@ -495,9 +495,21 @@ for kver in $(find /lib/modules/* -maxdepth 0 -type d | grep -v "$(uname -r)" |
 done
 
 echo "======= installing zfs on rescue system =========="
-  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections
-  apt-get install --yes software-properties-common
-  echo "y" | zfs
+
+  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections  
+#  echo "y" | zfs
+# linux-headers-generic linux-image-generic
+  apt install --yes software-properties-common dpkg-dev dkms
+  rm -f "$(which zfs)"
+  rm -f "$(which zpool)"
+  echo -e "deb http://deb.debian.org/debian/ testing main contrib non-free\ndeb http://deb.debian.org/debian/ testing main contrib non-free\n" >/etc/apt/sources.list.d/bookworm-testing.list
+  echo -e "Package: src:zfs-linux\nPin: release n=testing\nPin-Priority: 990\n" > /etc/apt/preferences.d/90_zfs
+  apt update  
+  apt install -t testing --yes zfs-dkms zfsutils-linux
+  rm /etc/apt/sources.list.d/bookworm-testing.list
+  rm /etc/apt/preferences.d/90_zfs
+  apt update
+  export PATH=$PATH:/usr/sbin
   zfs --version
 
 echo "======= partitioning the disk =========="
@@ -564,9 +576,8 @@ zfs create -o canmount=noauto -o mountpoint=/boot "$v_bpool_name/BOOT/debian"
 zfs mount "$v_bpool_name/BOOT/debian"
 
 zfs create                                 "$v_rpool_name/home"
-zfs create -o mountpoint=/root             "$v_rpool_name/home/root"
+#zfs create -o mountpoint=/root             "$v_rpool_name/home/root"
 zfs create -o canmount=off                 "$v_rpool_name/var"
-zfs create -o canmount=off                 "$v_rpool_name/var/lib"
 zfs create                                 "$v_rpool_name/var/log"
 zfs create                                 "$v_rpool_name/var/spool"
 
@@ -617,9 +628,9 @@ ff02::2 ip6-allrouters
 ff02::3 ip6-allhosts
 CONF
 
-ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p')
+ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p' | head -n 1)
 
-cat <<CONF > /mnt/etc/systemd/network/10-eth0.network
+cat <<CONF > "$c_zfs_mount_dir/etc/systemd/network/10-eth0.network"
 [Match]
 Name=eth0
 
@@ -629,10 +640,6 @@ Address=${ip6addr_prefix}:1/64
 Gateway=fe80::1
 CONF
 chroot_execute "systemctl enable systemd-networkd.service"
-chroot_execute "systemctl enable systemd-resolved.service"
-
-
-cp /etc/resolv.conf $c_zfs_mount_dir/etc/resolv.conf
 
 echo "======= preparing the jail for chroot =========="
 for virtual_fs_dir in proc sys dev; do
@@ -698,10 +705,11 @@ chroot_execute "dpkg-reconfigure console-setup -f noninteractive"
 chroot_execute "setupcon"
 
 chroot_execute "rm -f /etc/localtime /etc/timezone"
-chroot_execute "dpkg-reconfigure tzdata -f noninteractive "
+chroot_execute "dpkg-reconfigure tzdata -f noninteractive"
 
 echo "======= installing latest kernel============="
-chroot_execute "apt install --yes linux-image${v_kernel_variant}-amd64 linux-headers${v_kernel_variant}-amd64"
+# linux-headers-generic linux-image-generic
+chroot_execute "apt install --yes linux-image${v_kernel_variant}-amd64 linux-headers${v_kernel_variant}-amd64 dpkg-dev"
 
 echo "======= installing aux packages =========="
 chroot_execute "apt install --yes man wget curl software-properties-common nano htop gnupg"
@@ -728,8 +736,6 @@ echo "======= installing OpenSSH and network tooling =========="
 chroot_execute "apt install --yes openssh-server net-tools"
 
 echo "======= setup OpenSSH  =========="
-mkdir -p "$c_zfs_mount_dir/root/.ssh/"
-cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/root/.ssh/authorized_keys"
 sed -i 's/#PasswordAuthentication yes/PasswordAuthentication no/g' "$c_zfs_mount_dir/etc/ssh/sshd_config"
 sed -i 's/#PubkeyAuthentication yes/PubkeyAuthentication yes/g' "$c_zfs_mount_dir/etc/ssh/sshd_config"
 chroot_execute "rm /etc/ssh/ssh_host_*"
@@ -740,7 +746,7 @@ chroot_execute "echo root:$(printf "%q" "$v_root_password") | chpasswd"
 
 echo "======= setting up zfs cache =========="
 
-cp /etc/zpool.cache /mnt/etc/zfs/zpool.cache
+cp /etc/zpool.cache "$c_zfs_mount_dir/etc/zfs/zpool.cache"
 
 echo "========setting up zfs module parameters========"
 chroot_execute "echo options zfs zfs_arc_max=$((v_zfs_arc_max_mb * 1024 * 1024)) >> /etc/modprobe.d/zfs.conf"
@@ -753,7 +759,7 @@ chroot_execute "grub-install --recheck ${v_selected_disks[0]}"
 
 chroot_execute "sed -i 's/#GRUB_TERMINAL=console/GRUB_TERMINAL=console/g' /etc/default/grub"
 chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"net.ifnames=0\"|' /etc/default/grub"
-chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=rpool/ROOT/debian\"|g' /etc/default/grub"
+chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=$v_rpool_name/ROOT/debian\"|g' /etc/default/grub"
 
 chroot_execute "sed -i 's/quiet//g' /etc/default/grub"
 chroot_execute "sed -i 's/splash//g' /etc/default/grub"
@@ -767,21 +773,22 @@ if [[ $v_encrypt_rpool == "1" ]]; then
   echo "=========set up dropbear=============="
 
   chroot_execute "apt install --yes dropbear-initramfs"
-
-  cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/etc/dropbear-initramfs/authorized_keys"
+  
+  mkdir -p "$c_zfs_mount_dir/etc/dropbear/initramfs"
+  cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/etc/dropbear/initramfs/authorized_keys"
 
   cp "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key" "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key_temp"
   chroot_execute "ssh-keygen -p -i -m pem -N '' -f /etc/ssh/ssh_host_rsa_key_temp"
-  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_rsa_key_temp /etc/dropbear-initramfs/dropbear_rsa_host_key"
+  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_rsa_key_temp /etc/dropbear/initramfs/dropbear_rsa_host_key"
   rm -rf "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key_temp"
 
   cp "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key" "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key_temp"
   chroot_execute "ssh-keygen -p -i -m pem -N '' -f /etc/ssh/ssh_host_ecdsa_key_temp"
-  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_ecdsa_key_temp /etc/dropbear-initramfs/dropbear_ecdsa_host_key"
+  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_ecdsa_key_temp /etc/dropbear/initramfs/dropbear_ecdsa_host_key"
   chroot_execute "rm -rf /etc/ssh/ssh_host_ecdsa_key_temp"
   rm -rf "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key_temp"
 
-  rm -rf "$c_zfs_mount_dir/etc/dropbear-initramfs/dropbear_dss_host_key"
+  rm -rf "$c_zfs_mount_dir/etc/dropbear/initramfs/dropbear_dss_host_key"
 fi
 
 echo "============setup root prompt============"
@@ -792,8 +799,13 @@ export LS_OPTIONS='--color=auto -h'
 eval "\$(dircolors)"
 CONF
 
-echo "========running packages upgrade==========="
+echo "========= add root pubkey for login via SSH"
+mkdir -p "$c_zfs_mount_dir/root/.ssh/"
+cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/root/.ssh/authorized_keys"
+
+echo "========running packages upgrade and autoremove==========="
 chroot_execute "apt upgrade --yes"
+chroot_execute "apt purge cryptsetup* --yes"
 
 echo "===========add static route to initramfs via hook to add default routes for Hetzner due to Debian/Ubuntu initramfs DHCP bug ========="
 mkdir -p "$c_zfs_mount_dir/usr/share/initramfs-tools/scripts/init-premount"
@@ -828,12 +840,14 @@ chmod 755 "$c_zfs_mount_dir/etc/network/interfaces"
 echo "======= update initramfs =========="
 chroot_execute "update-initramfs -u -k all"
 
+chroot_execute "apt remove cryptsetup* --yes"
+
 echo "======= update grub =========="
 chroot_execute "update-grub"
 
 echo "======= setting up zed =========="
 if [[ $v_zfs_experimental == "1" ]]; then
-  chroot_execute "zfs set canmount=noauto rpool"
+  chroot_execute "zfs set canmount=noauto $v_rpool_name"
 else
   initial_load_debian_zed_cache
 fi

hetzner-ubuntu18-zfs-setup.sh

@@ -462,9 +462,20 @@ for kver in $(find /lib/modules/* -maxdepth 0 -type d | grep -v "$(uname -r)" |
 done
 
 echo "======= installing zfs on rescue system =========="
-  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections
-  apt-get install --yes software-properties-common
-  echo "y" | zfs
+  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections  
+#  echo "y" | zfs
+# linux-headers-generic linux-image-generic
+  apt install --yes software-properties-common dpkg-dev dkms
+  rm -f "$(which zfs)"
+  rm -f "$(which zpool)"
+  echo -e "deb http://deb.debian.org/debian/ testing main contrib non-free\ndeb http://deb.debian.org/debian/ testing main contrib non-free\n" >/etc/apt/sources.list.d/bookworm-testing.list
+  echo -e "Package: src:zfs-linux\nPin: release n=testing\nPin-Priority: 990\n" > /etc/apt/preferences.d/90_zfs
+  apt update  
+  apt install -t testing --yes zfs-dkms zfsutils-linux
+  rm /etc/apt/sources.list.d/bookworm-testing.list
+  rm /etc/apt/preferences.d/90_zfs
+  apt update
+  export PATH=$PATH:/usr/sbin
   zfs --version
 
 echo "======= partitioning the disk =========="
@@ -530,9 +541,7 @@ zfs create -o canmount=noauto -o mountpoint=/boot "$v_bpool_name/BOOT/ubuntu"
 zfs mount "$v_bpool_name/BOOT/ubuntu"
 
 zfs create                                 "$v_rpool_name/home"
-zfs create -o mountpoint=/root             "$v_rpool_name/home/root"
 zfs create -o canmount=off                 "$v_rpool_name/var"
-zfs create -o canmount=off                 "$v_rpool_name/var/lib"
 zfs create                                 "$v_rpool_name/var/log"
 zfs create                                 "$v_rpool_name/var/spool"
 
@@ -583,7 +592,7 @@ ff02::2 ip6-allrouters
 ff02::3 ip6-allhosts
 CONF
 
-ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p')
+ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p' | head -n 1)
 
 cat <<CONF > /mnt/etc/systemd/network/10-eth0.network
 [Match]
@@ -598,6 +607,7 @@ CONF
 chroot_execute "systemctl enable systemd-networkd.service"
 chroot_execute "systemctl enable systemd-resolved.service"
 
+#cp /etc/resolv.conf $c_zfs_mount_dir/etc/resolv.conf
 
 mkdir -p "$c_zfs_mount_dir/etc/cloud/cloud.cfg.d/"
 cat > "$c_zfs_mount_dir/etc/cloud/cloud.cfg.d/99-disable-network-config.cfg" <<CONF
@@ -607,7 +617,6 @@ CONF
 
 rm -rf $c_zfs_mount_dir/etc/network/interfaces.d/50-cloud-init.cfg
 
-cp /etc/resolv.conf $c_zfs_mount_dir/etc/resolv.conf
 
 echo "======= preparing the jail for chroot =========="
 for virtual_fs_dir in proc sys dev; do
@@ -732,7 +741,7 @@ chroot_execute "grub-install ${v_selected_disks[0]}"
 
 chroot_execute "sed -i 's/#GRUB_TERMINAL=console/GRUB_TERMINAL=console/g' /etc/default/grub"
 chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"net.ifnames=0\"|' /etc/default/grub"
-chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=rpool/ROOT/ubuntu\"|g' /etc/default/grub"
+chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=$v_rpool_name/ROOT/ubuntu\"|g' /etc/default/grub"
 
 chroot_execute "sed -i 's/quiet//g' /etc/default/grub"
 chroot_execute "sed -i 's/splash//g' /etc/default/grub"
@@ -760,18 +769,6 @@ if [[ $v_encrypt_rpool == "1" ]]; then
   rm -rf "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key_temp"
 
   rm -rf "$c_zfs_mount_dir/etc/dropbear-initramfs/dropbear_dss_host_key"
-
-  cd "$c_zfs_mount_dir/root"
-  wget http://ftp.de.debian.org/debian/pool/main/libt/libtommath/libtommath1_1.1.0-3_amd64.deb
-  wget http://ftp.de.debian.org/debian/pool/main/d/dropbear/dropbear-bin_2018.76-5_amd64.deb
-  wget http://ftp.de.debian.org/debian/pool/main/d/dropbear/dropbear-initramfs_2018.76-5_all.deb
-
-  chroot_execute "dpkg -i /root/libtommath1_1.1.0-3_amd64.deb"
-  chroot_execute "dpkg -i /root/dropbear-bin_2018.76-5_amd64.deb"
-  chroot_execute "dpkg -i /root/dropbear-initramfs_2018.76-5_all.deb"
-
-  rm $c_zfs_mount_dir/root/*.deb
-  cd /root
 fi
 
 echo "============setup root prompt============"
@@ -784,6 +781,7 @@ CONF
 
 echo "========running packages upgrade==========="
 chroot_execute "apt upgrade --yes"
+chroot_execute "apt purge cryptsetup* --yes"
 
 echo "===========add static route to initramfs via hook to add default routes due to Ubuntu initramfs DHCP bug ========="
 mkdir -p "$c_zfs_mount_dir/usr/share/initramfs-tools/scripts/init-premount"
@@ -807,8 +805,8 @@ esac
 
 configure_networking
 
-ip route add 172.31.1.1/255.255.255.255 dev ens3
-ip route add default via 172.31.1.1 dev ens3
+ip route add 172.31.1.1/255.255.255.255 dev eth0
+ip route add default via 172.31.1.1 dev eth0
 CONF
 
 chmod 755 "$c_zfs_mount_dir/usr/share/initramfs-tools/scripts/init-premount/static-route"
@@ -821,7 +819,7 @@ chroot_execute "update-grub"
 
 echo "======= setting up zed =========="
 
-chroot_execute "zfs set canmount=noauto rpool"
+chroot_execute "zfs set canmount=noauto $v_rpool_name"
 
 echo "======= setting mountpoints =========="
 chroot_execute "zfs set mountpoint=legacy $v_bpool_name/BOOT/ubuntu"

hetzner-ubuntu20-zfs-setup.sh

@@ -462,9 +462,20 @@ for kver in $(find /lib/modules/* -maxdepth 0 -type d | grep -v "$(uname -r)" |
 done
 
 echo "======= installing zfs on rescue system =========="
-  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections
-  apt-get install --yes software-properties-common
-  echo "y" | zfs
+  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections  
+#  echo "y" | zfs
+# linux-headers-generic linux-image-generic
+  apt install --yes software-properties-common dpkg-dev dkms
+  rm -f "$(which zfs)"
+  rm -f "$(which zpool)"
+  echo -e "deb http://deb.debian.org/debian/ testing main contrib non-free\ndeb http://deb.debian.org/debian/ testing main contrib non-free\n" >/etc/apt/sources.list.d/bookworm-testing.list
+  echo -e "Package: src:zfs-linux\nPin: release n=testing\nPin-Priority: 990\n" > /etc/apt/preferences.d/90_zfs
+  apt update  
+  apt install -t testing --yes zfs-dkms zfsutils-linux
+  rm /etc/apt/sources.list.d/bookworm-testing.list
+  rm /etc/apt/preferences.d/90_zfs
+  apt update
+  export PATH=$PATH:/usr/sbin
   zfs --version
 
 echo "======= partitioning the disk =========="
@@ -530,9 +541,7 @@ zfs create -o canmount=noauto -o mountpoint=/boot "$v_bpool_name/BOOT/ubuntu"
 zfs mount "$v_bpool_name/BOOT/ubuntu"
 
 zfs create                                 "$v_rpool_name/home"
-zfs create -o mountpoint=/root             "$v_rpool_name/home/root"
 zfs create -o canmount=off                 "$v_rpool_name/var"
-zfs create -o canmount=off                 "$v_rpool_name/var/lib"
 zfs create                                 "$v_rpool_name/var/log"
 zfs create                                 "$v_rpool_name/var/spool"
 
@@ -583,7 +592,7 @@ ff02::2 ip6-allrouters
 ff02::3 ip6-allhosts
 CONF
 
-ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p')
+ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p' | head -n 1)
 
 cat <<CONF > /mnt/etc/systemd/network/10-eth0.network
 [Match]
@@ -607,7 +616,7 @@ CONF
 
 rm -rf $c_zfs_mount_dir/etc/network/interfaces.d/50-cloud-init.cfg
 
-cp /etc/resolv.conf $c_zfs_mount_dir/etc/resolv.conf
+#cp /etc/resolv.conf $c_zfs_mount_dir/etc/resolv.conf
 
 echo "======= preparing the jail for chroot =========="
 for virtual_fs_dir in proc sys dev; do
@@ -733,7 +742,7 @@ chroot_execute "grub-install ${v_selected_disks[0]}"
 
 chroot_execute "sed -i 's/#GRUB_TERMINAL=console/GRUB_TERMINAL=console/g' /etc/default/grub"
 chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"net.ifnames=0\"|' /etc/default/grub"
-chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=rpool/ROOT/ubuntu\"|g' /etc/default/grub"
+chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=$v_rpool_name/ROOT/ubuntu\"|g' /etc/default/grub"
 
 chroot_execute "sed -i 's/quiet//g' /etc/default/grub"
 chroot_execute "sed -i 's/splash//g' /etc/default/grub"
@@ -746,7 +755,7 @@ done
 if [[ $v_encrypt_rpool == "1" ]]; then
   echo "=========set up dropbear=============="
   chroot_execute "apt install --yes dropbear-initramfs"
-
+  
   cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/etc/dropbear-initramfs/authorized_keys"
 
   cp "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key" "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key_temp"
@@ -785,6 +794,7 @@ CONF
 
 echo "========running packages upgrade==========="
 chroot_execute "apt upgrade --yes"
+chroot_execute "apt purge cryptsetup* --yes"
 
 echo "===========add static route to initramfs via hook to add default routes due to Ubuntu initramfs DHCP bug ========="
 mkdir -p "$c_zfs_mount_dir/usr/share/initramfs-tools/scripts/init-premount"
@@ -822,7 +832,7 @@ chroot_execute "update-grub"
 
 echo "======= setting up zed =========="
 
-chroot_execute "zfs set canmount=noauto rpool"
+chroot_execute "zfs set canmount=noauto $v_rpool_name"
 
 echo "======= setting mountpoints =========="
 chroot_execute "zfs set mountpoint=legacy $v_bpool_name/BOOT/ubuntu"

hetzner-ubuntu22-zfs-setup.sh

@@ -462,9 +462,20 @@ for kver in $(find /lib/modules/* -maxdepth 0 -type d | grep -v "$(uname -r)" |
 done
 
 echo "======= installing zfs on rescue system =========="
-  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections
-  apt-get install --yes software-properties-common
-  echo "y" | zfs
+  echo "zfs-dkms zfs-dkms/note-incompatible-licenses note true" | debconf-set-selections  
+#  echo "y" | zfs
+# linux-headers-generic linux-image-generic
+  apt install --yes software-properties-common dpkg-dev dkms
+  rm -f "$(which zfs)"
+  rm -f "$(which zpool)"
+  echo -e "deb http://deb.debian.org/debian/ testing main contrib non-free\ndeb http://deb.debian.org/debian/ testing main contrib non-free\n" >/etc/apt/sources.list.d/bookworm-testing.list
+  echo -e "Package: src:zfs-linux\nPin: release n=testing\nPin-Priority: 990\n" > /etc/apt/preferences.d/90_zfs
+  apt update  
+  apt install -t testing --yes zfs-dkms zfsutils-linux
+  rm /etc/apt/sources.list.d/bookworm-testing.list
+  rm /etc/apt/preferences.d/90_zfs
+  apt update
+  export PATH=$PATH:/usr/sbin
   zfs --version
 
 echo "======= partitioning the disk =========="
@@ -530,9 +541,8 @@ zfs create -o canmount=noauto -o mountpoint=/boot "$v_bpool_name/BOOT/ubuntu"
 zfs mount "$v_bpool_name/BOOT/ubuntu"
 
 zfs create                                 "$v_rpool_name/home"
-zfs create -o mountpoint=/root             "$v_rpool_name/home/root"
+#zfs create -o mountpoint=/root             "$v_rpool_name/home/root"
 zfs create -o canmount=off                 "$v_rpool_name/var"
-zfs create -o canmount=off                 "$v_rpool_name/var/lib"
 zfs create                                 "$v_rpool_name/var/log"
 zfs create                                 "$v_rpool_name/var/spool"
 
@@ -583,7 +593,7 @@ ff02::2 ip6-allrouters
 ff02::3 ip6-allhosts
 CONF
 
-ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p')
+ip6addr_prefix=$(ip -6 a s | grep -E "inet6.+global" | sed -nE 's/.+inet6\s(([0-9a-z]{1,4}:){4,4}).+/\1/p' | head -n 1)
 
 cat <<CONF > /mnt/etc/systemd/network/10-eth0.network
 [Match]
@@ -607,8 +617,6 @@ CONF
 
 rm -rf $c_zfs_mount_dir/etc/network/interfaces.d/50-cloud-init.cfg
 
-cp /etc/resolv.conf $c_zfs_mount_dir/etc/resolv.conf
-
 echo "======= preparing the jail for chroot =========="
 for virtual_fs_dir in proc sys dev; do
   mount --rbind "/$virtual_fs_dir" "$c_zfs_mount_dir/$virtual_fs_dir"
@@ -734,7 +742,7 @@ chroot_execute "grub-install ${v_selected_disks[0]}"
 
 chroot_execute "sed -i 's/#GRUB_TERMINAL=console/GRUB_TERMINAL=console/g' /etc/default/grub"
 chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"net.ifnames=0\"|' /etc/default/grub"
-chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=rpool/ROOT/ubuntu\"|g' /etc/default/grub"
+chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX=\"\"|GRUB_CMDLINE_LINUX=\"root=ZFS=$v_rpool_name/ROOT/ubuntu\"|g' /etc/default/grub"
 
 chroot_execute "sed -i 's/quiet//g' /etc/default/grub"
 chroot_execute "sed -i 's/splash//g' /etc/default/grub"
@@ -747,33 +755,22 @@ done
 if [[ $v_encrypt_rpool == "1" ]]; then
   echo "=========set up dropbear=============="
   chroot_execute "apt install --yes dropbear-initramfs"
-
-  cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/etc/dropbear-initramfs/authorized_keys"
+  
+  mkdir -p "$c_zfs_mount_dir/etc/dropbear/initramfs"
+  cp /root/.ssh/authorized_keys "$c_zfs_mount_dir/etc/dropbear/initramfs/authorized_keys"
 
   cp "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key" "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key_temp"
   chroot_execute "ssh-keygen -p -i -m pem -N '' -f /etc/ssh/ssh_host_rsa_key_temp"
-  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_rsa_key_temp /etc/dropbear-initramfs/dropbear_rsa_host_key"
+  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_rsa_key_temp /etc/dropbear/initramfs/dropbear_rsa_host_key"
   rm -rf "$c_zfs_mount_dir/etc/ssh/ssh_host_rsa_key_temp"
 
   cp "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key" "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key_temp"
   chroot_execute "ssh-keygen -p -i -m pem -N '' -f /etc/ssh/ssh_host_ecdsa_key_temp"
-  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_ecdsa_key_temp /etc/dropbear-initramfs/dropbear_ecdsa_host_key"
+  chroot_execute "/usr/lib/dropbear/dropbearconvert openssh dropbear /etc/ssh/ssh_host_ecdsa_key_temp /etc/dropbear/initramfs/dropbear_ecdsa_host_key"
   chroot_execute "rm -rf /etc/ssh/ssh_host_ecdsa_key_temp"
   rm -rf "$c_zfs_mount_dir/etc/ssh/ssh_host_ecdsa_key_temp"
 
-  rm -rf "$c_zfs_mount_dir/etc/dropbear-initramfs/dropbear_dss_host_key"
-
-  cd "$c_zfs_mount_dir/root"
-  wget http://ftp.de.debian.org/debian/pool/main/libt/libtommath/libtommath1_1.2.0-6_amd64.deb
-  wget http://ftp.de.debian.org/debian/pool/main/d/dropbear/dropbear-bin_2020.81-3_amd64.deb
-  wget http://ftp.de.debian.org/debian/pool/main/d/dropbear/dropbear-initramfs_2020.81-3_all.deb
-
-  chroot_execute "dpkg -i /root/libtommath1_1.2.0-6_amd64.deb"
-  chroot_execute "dpkg -i /root/dropbear-bin_2020.81-3_amd64.deb"
-  chroot_execute "dpkg -i /root/dropbear-initramfs_2020.81-3_all.deb"
-
-  rm $c_zfs_mount_dir/root/*.deb
-  cd /root
+  rm -rf "$c_zfs_mount_dir/etc/dropbear/initramfs/dropbear_dss_host_key"
 fi
 
 echo "============setup root prompt============"
@@ -786,6 +783,7 @@ CONF
 
 echo "========running packages upgrade==========="
 chroot_execute "apt upgrade --yes"
+chroot_execute "apt purge cryptsetup* --yes"
 
 echo "===========add static route to initramfs via hook to add default routes due to Ubuntu initramfs DHCP bug ========="
 mkdir -p "$c_zfs_mount_dir/usr/share/initramfs-tools/scripts/init-premount"
@@ -823,7 +821,7 @@ chroot_execute "update-grub"
 
 echo "======= setting up zed =========="
 
-chroot_execute "zfs set canmount=noauto rpool"
+chroot_execute "zfs set canmount=noauto $v_rpool_name"
 
 echo "======= setting mountpoints =========="
 chroot_execute "zfs set mountpoint=legacy $v_bpool_name/BOOT/ubuntu"