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Script to reduce VM size before packaging for vagrant
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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 libffi5 | |
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; |
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