[AWS] AMI 作る前に最低限やっておくこと

clear.sh

#!/bin/sh
rm -rf /tmp/*
rm -f /etc/ssh/ssh_host_*

if [ -d /var/log ]; then
  find /var/log -type f -print | xargs -L1 /bin/cp /dev/null
fi
if [ -d /var/spool/mail ]; then
  find /var/spool/mail -type f -print | xargs -L1 /bin/cp /dev/null
fi

/bin/cp /dev/null /root/.ssh/authorized_keys
/bin/cp /dev/null /root/.bash_history
if [ -f /root/.mysql_history ]; then
  /bin/cp /dev/null /root/.mysql_history
fi

if [ -d /home/ec2-user ]; then
  /bin/cp /dev/null /home/ec2-user/.ssh/authorized_keys
  /bin/cp /dev/null /home/ec2-user/.bash_history
  if [ -f /home/ec2-user/.mysql_history ]; then
    /bin/cp /dev/null /home/ec2-user/.mysql_history
  fi
fi
history -c
echo "clear!"