/etc/kernel/postrm.d/zz-runlilo is in lilo 1:24.2-2+b1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38  | #!/bin/sh
#
#  zz-runlilo - postrm script for modern kernel management
#
#  Copyright 2010-2014 Joachim Wiedorn
#  All rights reserved.
#
#  Licensed under the terms contained in the file 'COPYING'
#  in the source directory.
#
set -e
PAR=ever
# check for maintainer param
if [ -n "${DEB_MAINT_PARAMS}" ]; then
	PAR=none
	if [ `echo "${DEB_MAINT_PARAMS}" | grep -v abort | grep -c remove` -eq 1 ]
	then PAR=remove; fi
fi
# check for configure|upgrade|remove|purge
case "$PAR" in
  ever|remove)
    # Run the boot loader installer
    # and ignore error on degraded mdadm RAID1
    if [ -f /sbin/lilo ]; then
      if [ -f /etc/lilo.conf ]; then
        # Do not abort kernel removal in case of error
        lilo -H  </dev/null  >&2  || true
      fi
    fi
    ;;
esac
# end of file
 |