Command to establish the SSH Tunnel to MongoDB on remote server
$ ssh -L :27018:127.0.0.1:27017 -i /path/serverkey.pem remoteserverUSER@remoteserverIP -N -v -v
Command description
/path/serverkey.pem - certificate file to access the remoteserver
remoteserverUSER - user name to access the remote server
remoteserverIP - remote server host IP address (where mongod runs)
127.0.0.1:27017 - local IP address and port on the remote server
27018 - port number that connects local machine to remote
Once the connection is established to the remote server, you can connect to MongoDB via Compass or through the Mongo CLI.