diff --git a/debian-devuan-install-on-disk.sh b/debian-devuan-install-on-disk.sh
index 2eec1f1..106b4f8 100755
--- a/debian-devuan-install-on-disk.sh
+++ b/debian-devuan-install-on-disk.sh
@@ -4,17 +4,18 @@
 set -e
 set -x
 
-if [ $# -ne 2 ]; then
-    echo $0 suite disk
+if [ $# -ne 3 ]; then
+    echo $0 suite keyfile disk
+    echo suite: beowulf or similar
+    echo keyfile: file containing the ssh keys
+    echo disk: the block device
     exit 1
 fi
 
 suite=$1; shift
+keyfile=$1; shift
 disk=$1; shift
 
-keyurl=https://key.wf
-
-
 case $disk in
     /dev/sd*)
         partition=${disk}1
@@ -39,15 +40,17 @@ date=$(date +%F)
 dd if=/dev/zero of=${disk} bs=1M count=2
 
 # Partition disk with 1 Linux partition
-sudo sfdisk "$DISK" <<EOF
+sudo sfdisk "$disk" <<EOF
 label: dos
 ,,L
 EOF
 
-# For creation, if an existing filesystem is on the partitions
-sudo mkfs.ext4 -F ${partition}
+partprobe "${disk}"
 
-sudo mount ${partition} ${chroot_dir}
+# For creation, if an existing filesystem is on the partitions
+mkfs.ext4 -F ${partition}
+
+mount ${partition} ${chroot_dir}
 
 # Devuan: debootstrap beowulf /tmp/tmp.teGuJxytz0 http://packages.devuan.org/devuan
 debootstrap "${suite}" "${chroot_dir}"
@@ -56,22 +59,18 @@ debootstrap "${suite}" "${chroot_dir}"
 echo "deb http://pkgmaster.devuan.org/merged ${suite} main contrib non-free" > ${chroot_dir}/etc/apt/sources.list
 
 chroot ${chroot_dir} apt update
-chroot ${chroot_dir} apt install  -y openssh-server rdnssd linux-image-amd64 firmware-bnx2 ifenslave vlan
+chroot ${chroot_dir} apt install  -y openssh-server rdnssd linux-image-amd64 firmware-bnx2 ifenslave vlan grub
 
 echo "unconfigured-host" > ${chroot_dir}/etc/hostname
 
-cp ${chroot_dir}/boot/vmlinuz-* ${kernel}
-
 echo '* * * * * root ip -o -6 addr show | grep -E -v " lo |one" > /etc/issue' > ${chroot_dir}/etc/cron.d/ipv6addr
 
 mkdir -p ${chroot_dir}/root/.ssh
 
-for key in sami dominique jinguk nico; do
-    curl -s ${keyurl}/${key} >> ${chroot_dir}/root/.ssh/authorized_keys
-done
+cat ${keyfile} > ${chroot_dir}/root/.ssh/authorized_keys
 
 # Fix possible permission issue from above
-chown -R root:root ${chroot_dir}/root/
+chmod -R og-rwx ${chroot_dir}/root/
 
 ################################################################################
 # networking
@@ -101,42 +100,19 @@ iface eth1 inet manual
   bond-master bond0
   post-up /sbin/ip link set \$IFACE mtu 9000
 
-# server network
-auto bond0.11
-iface bond0.11 inet6 auto
-  post-up /sbin/ip link set \$IFACE mtu 9000
-  vlan-raw-device bond0
-
 EOF
 
-# # find the boot interfaces at boot: HP servers still have ifnames=1
-# cat > ${chroot_dir}/etc/rc.local <<EOF
-# mac=\$(cat /proc/cmdline | tr ' ' '\n' | awk -F= '/bootdev/ { print \$2 }')
-# dev=\$(ip -o link | awk -F: "/\$mac/ { print \\\$2 }" | sed 's/ *//g')
+for dir in dev sys proc; do
+    mount --bind /${dir} ${chroot_dir}/${dir}
+done
 
-# cat >> /etc/network/interfaces << eof
-# auto \$dev
-# iface \$dev inet6 auto
-# eof
+chroot ${chroot_dir} grub-install ${disk}
 
-# ifup "\${dev}"
+for dir in dev sys proc; do
+    umount ${chroot_dir}/${dir}
+done
 
-# exit 0
-# EOF
+umount ${chroot_dir}
+sync
 
-# chmod a+rx "${chroot_dir}/etc/rc.local"
-
-# ensure there is /init in the initramfs -> otherwise there is a kernel panic
-# reason: initramfs is designed to be PRE regular os, so /init usually hands over to /sbin/init
-# in our case, they are just the same
-ln -fs /sbin/init ${chroot_dir}/init
-
-# Finally building the initramfs
-( cd ${chroot_dir} ; find . | cpio -H newc -o | gzip -9 > ${initramfs} )
-
-# Fix paranoid permissions
-chmod a+rx ${abs_outdir}
-chmod a+r ${kernel} ${initramfs}
-
-
-exit 0
+rmdir ${chroot_dir}