I have installed Backendless Pro in Ubuntu following these steps https://github.com/Backendless/BackendlessPro/blob/master/README.md
Now I want to connect to external mongo DB, I read about External Data Hosts https://backendless.com/documentation/backendlesspro/st_external_mariadb.htm, but not able to get to /apps/backendless/htdocs/conf/backendless.config
At the present moment we support the following external databases in Backendless Pro:
MySQL
Postresql
SQLite
Oracle
SQL Server
MongoDB cannot be currently added as an external database. To add a database you need to select the Data section in Backendless Console, click the drop-down which says “Backendless Database” and then select the “Add Connection…” menu:
After that, you can select the type of the database connection you need to create: