I’m getting hacked and it’s crashing my database.

http://stackoverflow.com/questions/5441972/how-to-see-log-files-in-mysql

IP Tables
-seems someone is erasing them

Change Password
MySQL Root
http://www.howtogeek.com/howto/mysql/set-the-mysql-root-password/
mysqladmin -u root password (password)
Linux User
passwd (username)

All the tables in all the dbs check out.
http://www.thegeekstuff.com/2011/12/mysqlcheck/

Also, here is a basic security page setup by Backspace …
https://support.rackspace.com/how-to/configuring-basic-security/