lockdown

lockdown:

- change passwords for all shell accounts and come up with policy
- remove ssh authorized_keys
- change mysql root password
- grep for any
- restart mysql with query logging -> mysql --log=/var/log/mysql
- change mysql passwords
-  

- establish quotas and limits for memory, disk, and cpu usage
- run `netstat -nl` to see what services are listening
- make sure mysql accounts only have access to the databases they need