postinst is in ltsp-server 5.5.1-1ubuntu2.
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
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# Enable debconf
. /usr/share/debconf/confmodule
BUILD_LTSP_CLIENT=false
msg() {
msg="$1"
logger -p user.info -t ltsp-server "$msg"
echo "ltsp-server: $msg"
}
case "$1" in
configure)
# Build LTSP chroot if debconf preseeding enabled it
db_get ltsp-server/build_client
if [ true = "$RET" ] ; then
BUILD_LTSP_CLIENT=true
fi
# Check if we are in an environment where /opt/ltsp/i386 already exists (Edubuntu)
# and if so, configure it properly
if [ -f /etc/edubuntu_ltsp_install ] && [ -d /opt/ltsp/i386 ]; then
rm /etc/edubuntu_ltsp_install
# Generate ssh keys if missing
if [ ! -f /etc/ssh/ssh_host_rsa_key ]; then
ssh-keygen -q -f /etc/ssh/ssh_host_rsa_key -N "" -t rsa
fi
if [ ! -f /etc/ssh/ssh_host_dsa_key ]; then
ssh-keygen -q -f /etc/ssh/ssh_host_dsa_key -N "" -t dsa
fi
if [ ! -f /etc/ssh/ssh_host_ecdsa_key ]; then
ssh-keygen -q -f /etc/ssh/ssh_host_ecdsa_key -N "" -t ecdsa
fi
# Try to get something reasonable in /etc/resolv.conf
cat /etc/resolv.conf > /opt/ltsp/i386/etc/resolv.conf || true
# Replace any remaining reference to our chroot builder
sed -i "s/ftpmaster.internal/archive.ubuntu.com/g" /opt/ltsp/i386/etc/apt/sources.list
# Rebuild the image
ltsp-update-sshkeys
ltsp-update-image
ltsp-update-kernels
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
if [ true = "$BUILD_LTSP_CLIENT" ] ; then
if [ -d "/opt/ltsp/$(dpkg --print-architecture)" ] ; then
msg "warning: LTSP client environment already exist. Not generating."
else
if ltsp-build-client >/var/log/ltsp-server-build.log 2>&1 </dev/null ; then
msg "error: generating LTSP client failed. exit code $?"
fi
fi
fi
db_stop
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
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