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#!/bin/sh
# Credits to:
# - http://vstone.eu/reducing-vagrant-box-size/
# - https://github.com/mitchellh/vagrant/issues/343
aptitude -y purge ri
aptitude -y purge installation-report landscape-common wireless-tools wpasupplicant ubuntu-serverguide
aptitude -y purge python-dbus libnl1 python-smartpm python-twisted-core libiw30
aptitude -y purge python-twisted-bin libdbus-glib-1-2 python-pexpect python-pycurl python-serial python-gobject python-pam python-openssl
apt-get purge -y linux-image-3.0.0-12-generic-pae
# Remove APT cache
# apt-get clean -y
# apt-get autoclean -y
# Zero free space to aid VM compression
dd if=/dev/zero of=/EMPTY bs=1M
rm -f /EMPTY
# Remove bash history
unset HISTFILE
rm -f /root/.bash_history
rm -f /home/vagrant/.bash_history
# Cleanup log files
find /var/log -type f | while read f; do echo -ne '' > $f; done;
# Whiteout root
count=`df --sync -kP / | tail -n1 | awk -F ' ' '{print $4}'`;
let count--
dd if=/dev/zero of=/tmp/whitespace bs=1024 count=$count;
rm /tmp/whitespace;
# Whiteout /boot
count=`df --sync -kP /boot | tail -n1 | awk -F ' ' '{print $4}'`;
let count--
dd if=/dev/zero of=/boot/whitespace bs=1024 count=$count;
rm /boot/whitespace;
swappart=`cat /proc/swaps | tail -n1 | awk -F ' ' '{print $1}'`
swapoff $swappart;
dd if=/dev/zero of=$swappart;
mkswap $swappart;
swapon $swappart;