postinst is in qemu-system-x86 1:2.11+dfsg-1ubuntu7.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
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 | #! /bin/sh
set -e
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
dpkg-maintscript-helper rm_conffile /etc/init.d/qemu-system-x86 1:2.2+dfsg-3~ -- "$@"
if [ configure = "$1" ] && dpkg --compare-versions "$2" le-nl 1:2.2+dfsg-3~; then update-rc.d qemu-system-x86 remove >/dev/null; fi
dpkg-maintscript-helper rm_conffile /etc/qemu/target-x86_64.conf 1:2.4+dfsg-1~ -- "$@"
[ -d /etc/qemu ] && rmdir /etc/qemu 2>/dev/null || :
# If the host had already installed kvm_intel.ko without nested=1, then
# re-load it now, honoring whatever is in qemu-system-x86.modprobe
if [ "$1" = configure ] ; then
INTEL_NESTED=/sys/module/kvm_intel/parameters/nested
if grep -q kvm_intel /proc/modules && [ -f $INTEL_NESTED ]; then
v=`cat $INTEL_NESTED`
if [ "x$v" != "xY" ]; then
rmmod kvm_intel && modprobe kvm_intel || true
fi
fi
fi
exit 0
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