Mysql on ubuntu data source setup issue

This is what is returned:

LISTEN 0 80 127.0.0.1:3306 : users:((“mysqld”,pid=18294,fd=20))

In addition, my current mysql configuration seems empty, both the my.cnf and mysql.cnf file under /etc/mysql directory has the following content in addition to multiple lines of comments:

!includedir /etc/mysql/conf.d/
!includedir /etc/mysql/mysql.conf.d/


These two directories seem to have been excluded. In the meantime, the /etc/mysql/mysql.conf.d/ directory seems to have a meaningful configuration file such as

bind-address = 127.0.0.1

For the data source setup, I tried “localhost” and “127.0.0.1” respectively for “host/server” to no avail.
What else could I try?
Thanks.