You want to configure phpMyAdmin using web interface. Please note that this only allows basic setup, please read documentation to see full description of all configuration directives.
Can not load or save configuration
Please create web server writable folder config in phpMyAdmin toplevel directory as described in documentation. Otherwise you will be only able to download or display it.
Not secure connection
You are not using secure connection, all data (including sensitive, like passwords) are transfered unencrypted! If your server is also configured to accept HTTPS request follow this link to use secure connection.
Available global actions (please note that these will delete any changes you could have done above):