Where are the MongoDB data files located?

The MongoDB data files are located in /opt/beget/mongodb/data.

How can I restart the MongoDB server?

On your server, MongoDB is deployed with docker-compose. Follow these steps to restart the server and web management interface: Connect to your server via SSH: ssh root@my_ip (my_ip is the IP address of your server). Go to the container configuration directory: cd /opt/beget/mongodb. Restart the containers via docker-compose: docker-compose restart.