/usr/share/edubuntu-server/services/rdns/setup is in edubuntu-server-host 14.02.2.
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 39 40 41 | #!/bin/sh
# Prepare environment
mount -t proc proc /proc
mount -t sysfs sysfs /sys
cat /etc/hostname > /proc/sys/kernel/hostname
cat > /usr/sbin/policy-rc.d << EOF
#!/bin/sh
exit 101
EOF
chmod +x /usr/sbin/policy-rc.d
export DEBIAN_FRONTEND=noninteractive
#Setup
apt-get update
apt-get dist-upgrade -y
apt-get install -y unbound
sed -i "s/RESOLVCONF=true/RESOLVCONF=false/" /etc/default/unbound
sed -i "s/RESOLVCONF_FORWARDERS=true/RESOLVCONF_FORWARDERS=false/" \
/etc/default/unbound
(
cat << EOF
#
# Edubuntu-server generated configuration.
#
server:
interface: 0.0.0.0
interface-automatic: yes
access-control: $rdns_subnet allow
forward-zone:
name: "$rdns_domain_name"
forward-addr: $rdns_domain_servers
EOF
) > /etc/unbound/unbound.conf
# Cleanup
rm /usr/sbin/policy-rc.d
exit 0
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