ami-clean.sh

#!/bin/bash

# This script cleans up your EC2 instance before baking a new AMI.
# Run the following command in a root shell:
#
# bash <(curl -s https://gist.githubusercontent.com/rickrussell/e56e81517bc89b575a0f/raw/d07f873dc7bd2cbc4dee21ed99e7fb6a169956ab/ami-clean.sh)

function print_green {
  echo -e "\e[32m${1}\e[0m"
}

print_green 'Clean Apt'
apt-get -y autoremove
aptitude clean
aptitude autoclean

print_green 'Remove SSH keys'
[ -f /home/ubuntu/.ssh/authorized_keys ] && rm /home/ubuntu/.ssh/authorized_keys
 
print_green 'Cleanup log files'
find /var/log -type f | while read f; do echo -ne '' > $f; done

print_green 'Cleanup bash history'
unset HISTFILE
[ -f /root/.bash_history ] && rm /root/.bash_history
[ -f /home/ubuntu/.bash_history ] && rm /home/ubuntu/.bash_history

print_green 'AMI cleanup complete!'