flash_kernel() { if mountpoint -q /boot; then major=$(mountpoint -d /boot | cut -f 1 -d ':') minor=$(mountpoint -d /boot | cut -f 2 -d ':') else major=$(mountpoint -d / | cut -f 1 -d ':') minor=$(mountpoint -d / | cut -f 2 -d ':') fi device=$(awk {'if ($1 == "'$major'" && $2 == "'$minor'") print $4 '} /proc/partitions) device="/dev/${device/%2/1}" echo "A new kernel version needs to be flashed onto $device." echo "Do you want to do this now? [y|N] " read -r shouldwe if [[ $shouldwe =~ ^([yY][eE][sS]|[yY])$ ]]; then dd if=/boot/vmlinux.kpart of=$device sync else echo "You can do this later by running:" echo "# dd if=/boot/vmlinux.kpart of=$device" fi } post_install () { flash_kernel } post_upgrade() { flash_kernel }