For Ubuntu system,
MySQL Database:
Change config file
vi /etc/mysql/my.cnf
1. change 'port' under Basic Setting [mysqld] to the desired port
2. comment out binding address
Run SQL command to enable 'user' access mysql database using 'password' with all privileges:
GRANT ALL PRIVILEGES ON *.* TO 'user'@'%' IDENTIFIED BY 'password';
MongoDB change port:
Change mongodb config file:
vi /etc/mongodb.conf
Check open ports: sudo netstat -anltp
