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You can use the mysql_config_editor utility to store authentication credentials in an encrypted login path file named .mylogin.cnf.

To create a new set of credentials run:

mysql_config_editor set --host=db.host.org --user=dbuser --password

and enter your password when prompted.

This will store your authentication credentials in the default client login path.

You can store multiple authentication credentials by specifying a different --login-path option:

mysql_config_editor set --login-path=db2 --host=db2.host.org --user=dbuser --password

By default, the mysql client reads the [client] and [mysql] groups from other option files, so it reads them from the login path file as well. With a --login-path option, client programs additionally read the named login path from the login path file. The option groups read from other option files remain the same. Consider this command:

mysql --login-path=db2

The mysql client reads [client] and [mysql] from other option files, and [client], [mysql], and [mypath] from the login path file.

To print out all the information stored in the configuration file run:

mysql_config_editor print --all=true

More information about the utility can be found at "mysql_config_editor — MySQL Configuration Utility".