#!/bin/sh

ROOT_UID=0      # Only users with $UID 0 have root privileges.
E_NOTROOT=67    # Non-root exit error.

# Run as root, of course.
if [ "$UID" -ne "$ROOT_UID" ]; then
  echo "Must be root to run this script."
  exit $E_NOTROOT
fi

kernel_ver=kernel-`uname -r  | sed 's/.PAE//g'`
rpm_ver=`rpm -q kernel | tail -1`

if [ "$rpm_ver" != "package kernel is not installed" ]; then
if [ "$kernel_ver" != "$rpm_ver" ]; then
  echo -e "Running $kernel_ver\nInstalled $rpm_ver\nNeed to reboot `hostname -s`" | (cat <<EOF
This is an automated report of $0 on the server `hostname -s`.

EOF
cat
) | /bin/mail -s "[Kernel Version]" root,marcrblevins@hotmail.com
fi
fi

exit 0