title: how to run command "mysqladmin flush-hosts" on Amazon RDS database Server instance?
body: <p>I got a database server failure, says host is blocked because of many connection errors. It ask me to unblock with 'mysqladmin flush-hosts'</p>
  
  <p>how and where should I  run this command to our amazon rds database server?</p>
  
  <p>thank you</p>