#!/bin/sh -x kver="$(rpm -qa 'kernel-image*' \ --qf '%{installtime} %{version}-%{name}-%{release}\n' \ | sort -n \ | cut -f 2 -d ' ' \ | sed 's/kernel-image-//')" [ -n "$kver" ] || { echo "** unable to deduce kernel version" >&2; exit 1; } /sbin/installkernel --uboot --keep-initrd "$kver" printf 'LABEL=ROOT\t/\text4\tdefaults\t1 1\n' >> /etc/fstab