Commands to clean a Ubuntu install for smaller Vagrant packages

gistfile1.sh

# Remove items used for building, since they aren't needed anymore
apt-get clean
apt-get -y remove linux-headers-$(uname -r) build-essential
apt-get -y autoremove

# Zero out the free space to save space in the final image:
dd if=/dev/zero of=/EMPTY bs=1M
rm -f /EMPTY
 
# Removing leftover leases and persistent rules
echo "cleaning up dhcp leases"
rm /var/lib/dhcp3/*
 
# Make sure Udev doesn't block our network
# http://6.ptmc.org/?p=164
echo "cleaning up udev rules"
rm /etc/udev/rules.d/70-persistent-net.rules
mkdir /etc/udev/rules.d/70-persistent-net.rules
rm -rf /dev/.udev/
rm /lib/udev/rules.d/75-persistent-net-generator.rules