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#!/bin/sh
# pre install script for the Debian bind9 package
set -e
# Check if we are upgrading while running a kernel before 2.2.18. If so abort
# immediately since we don't support those kernels anymore.
if [ "$1" = "upgrade" ] && dpkg --compare-versions "`uname -r`" lt 2.2.18 ; then
cat <<EOF
ERROR: you are running a pre-2.2.18 kernel on this machine. Recent
versions of bind9 no longer support those kernels.
To prevent breaking nameservices on this system bind9 upgrade will abort.
EOF
exit 1
fi
#DEBHELPER#
exit 0
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