$ sudo netstat -ap | grep postg
tcp        0      0 localhost:postgresql    0.0.0.0:*               LISTEN      1567/postgres
udp        0      0 localhost:57504         localhost:57504         ESTABLISHED 1567/postgres
unix  2      [ ACC ]     STREAM     LISTENING     27116    1567/postgres        /var/run/postgresql/.s.PGSQL.5432

$ sudo netstat -ap | grep mysql
tcp6       0      0 [::]:mysql              [::]:*                  LISTEN      23683/mysqld
tcp6       0      0 [::]:33060              [::]:*                  LISTEN      23683/mysqld
unix  2      [ ACC ]     STREAM     LISTENING     1169294  23683/mysqld         /var/run/mysqld/mysqld.sock
unix  2      [ ACC ]     STREAM     LISTENING     1169513  23683/mysqld         /var/run/mysqld/mysqlx.sock
unix  2      [ ]         DGRAM                    1169211  23683/mysqld