Re-assign host access permission to MySQL user

Question

I have several thousand MySQL users all set to allow access from a specific host. The problem is that now I\'m going to have two machines (more in the future) which will nee

Answer 1

For reference, the solution is:

UPDATE mysql.user SET host = '10.0.0.%' WHERE host = 'internalfoo' AND user != 'root';
UPDATE mysql.db SET host = '10.0.0.%' WHERE host = 'internalfoo' AND user != 'root';
FLUSH PRIVILEGES;