Mysql does not connect to a given port on localhost

7 December 2016

Mysql does not connect to a given port if the host is localhost.

If we execute the mysql-client like this

mysql --host=localhost -port=3307 mysql -u root -p --execute="show databases;"

..mysql will ignore the port and will use the unix-domain-socket instead. This is normally a great thing, because TCP-Ports are limited on a machine and can be exhausted on a host with many connections. But what if we explicitly want to connect to Port 3307? The answer is super simple: use instead of the hostname.

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