"Can't connect to MySQL server on 'localhost' ([Errno 111] Connection refused)")
Looking at some public forums [1][2] , I found some valid reasons why you may experiencing this error. Mostly related to your MySQL server only listening the localhost interface or db user’s privileges.
[1] https://stackoverflow.com/a/1420862/7046224
[2] https://discuss.erpnext.com/t/cant-connect-to-mysql-server-on-u-local-host-error-111-connection-refused/41047/2
