# Clean-up installed development files which got pulled in for
# VM guest additions (to build kernel modules via DKMS)
apt-get purge -y libc6-dev
-dpkg -l | grep '^ii.*linux-headers' | xargs -r apt-get purge -y
+dpkg -l | awk '/^ii.*[ \t]linux-headers/{print $2;}' | xargs -r apt-get purge -y
# Gnome optional pulled by gnome-core:
apt-get purge -y gnome-core evolution-common evolution libevolution
# And utter cleanup
-apt-get autoremove
+apt-get -y autoremove
# intermediate cleanup to prevent virtual harddrive from fragmenting too much
find /var/cache/apt/archives/ -name '*.deb' -delete