postinst is in qemu-system-common 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.
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set -e
if [ "$1" = configure ] ; then
# Add the kvm group unless it's already there
if ! getent group kvm >/dev/null; then
addgroup --quiet --system kvm || true
fi
fi
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
# Automatically added by dh_systemd_enable/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask 'qemu-kvm.service' >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled 'qemu-kvm.service'; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable 'qemu-kvm.service' >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state 'qemu-kvm.service' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_systemd_start/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -d /run/systemd/system ]; then
systemctl --system daemon-reload >/dev/null || true
deb-systemd-invoke start 'qemu-kvm.service' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_installdeb/11.1.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init/qemu-kvm.conf 1:2.8+dfsg-1ubuntu1~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/11.1.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init.d/qemu-kvm 1:2.8+dfsg-1ubuntu1~ -- "$@"
# End automatically added section
# Automatically added by dh_installinit/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -x "/etc/init.d/qemu-kvm" ]; then
update-rc.d qemu-kvm defaults >/dev/null
invoke-rc.d qemu-kvm start || true
fi
fi
# End automatically added section
# if we just installed the package, udev rules aren't picked up yet,
# so udev may have created the device (/dev/kvm) with default permissions.
# Fix it here, but only if the perms are like default.
# (See #607391)
if [ -c /dev/kvm -a ! -L /dev/kvm ] && [ .$(stat -c %u%g /dev/kvm) = .00 ]
then
chgrp kvm /dev/kvm
chmod 0660 /dev/kvm
fi
# Remove group::--- acl mistakenly placed on /dev/kvm by udev-acl
# This can be removed when udev-acl+consolekit are removed in favor
# of logind.
if [ -c /dev/kvm -a ! -L /dev/kvm ]
then
setfacl -m g::rw /dev/kvm
fi
# udev rules for /dev/kvm have changed, so have udev
# recalculate:
if [ -f /sbin/udevd ]; then
udevadm trigger --subsystem-match=misc --action=change
fi
exit 0
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