# truncate machine id (why??)
truncate -s 0 /etc/machine-id

# remove diversion (why??)
rm /sbin/initctl
dpkg-divert --rename --remove /sbin/initctl

# remove ssh config
#rm -f /etc/ssh/ssh_host*

# clean up useless stuff
rm -rf /tmp/* ~/.bash_history
find /var/log/ -type f | xargs rm -f
rm -f /etc/ssh/ssh_host*
rm -f /var/backups/*
rm -f /var/cache/ldconfig/*
rm -f /var/cache/debconf/*
rm -f /var/cache/fontconfig/*
rm -f /var/cache/apt/archives/*.deb
rm -f /var/cache/apt/*.bin
rm -f /var/cache/debconf/*-old
rm -f /var/lib/apt/extended_states
rm -f /var/lib/apt/lists/*Packages
rm -f /var/lib/apt/lists/*Translation*
rm -f /var/lib/apt/lists/*InRelease
rm -f /var/lib/apt/lists/deb.*
rm -f /var/lib/dpkg/*-old