In the last episode (Apr 29), Sam Peterson said:
> We are designing a new solution and I have not been able to find
> functionality anywhere in the MySQL documentation or literature.
> With an Oracle database you can bring up the database, recover what
> is needed, all while leaving the listener down. The listener in
> Oracle just allows clients to connect if it is up. With the listener
> down no external clients can connect to the DB. Is there similar
> functionality in MySQL?
Start it up with --skip-networking, and do your maintenance via the
Unix socket. Another option is to use your OSes firewall software to
block port 3306 (this method doesn't require you to bounce mysql to
en/disable the port).