cleaner

templitize.sh

#!/bin/bash
# _                       _ _ _   _               _     
#| |_ ___ _ __ ___  _ __ | (_) |_(_)_______   ___| |__  
#| __/ _ \ '_ ` _ \| '_ \| | | __| |_  / _ \ / __| '_ \ 
#| ||  __/ | | | | | |_) | | | |_| |/ /  __/_\__ \ | | |
# \__\___|_| |_| |_| .__/|_|_|\__|_/___\___(_)___/_| |_|
#                  |_|
# Cleans up a system to turn it into a clean template
# curl https://git.io/vNesO |bash
# Stop services for cleanup

service rsyslog stop

# Clear audit logs
if [ -f /var/log/audit/audit.log ]; then
cat /dev/null > /var/log/audit/audit.log
fi
if [ -f /var/log/wtmp ]; then
cat /dev/null > /var/log/wtmp
fi
if [ -f /var/log/lastlog ]; then
cat /dev/null > /var/log/lastlog
fi

# Cleanup persistent udev rules
if [ -f /etc/udev/rules.d/70-persistent-net.rules ]; then
rm /etc/udev/rules.d/70-persistent-net.rules
fi

# Cleanup /tmp directories
rm -rf /tmp/*
rm -rf /var/tmp/*

# Cleanup current ssh keys
rm -f /etc/ssh/ssh_host_*

# Add check for ssh keys on reboot…regenerate if neccessary
sed -i -e ‘s|exit 0||’ /etc/rc.local
sed -i -e ‘s|.*test -f /etc/ssh/ssh_host_dsa_key.*||’ /etc/rc.local
bash -c ‘echo “test -f /etc/ssh/ssh_host_dsa_key || dpkg-reconfigure openssh-server” >> /etc/rc.local’
bash -c ‘echo “exit 0” >> /etc/rc.local’

# Reset hostname
cat /dev/null > /etc/hostname

# Cleanup yum repositories
yum clean all
rm -rf /var/cache/yum

# Cleanup shell history
history -w
history -c

# Cleanup Firefox
rm -rf ~/.mozilla

# Cleanup Chrome
rm -rf ~/.config/google-chrome