Several things need to be setup/configured:

1. Remote server : /etc/ssh/sshd_config: AllowTcpForwarding yes # need to allow this.

2. Bring up jupyter lab to listen to port say 8585: $ jupyter-lab --port 8585

3. local Mac/PC: terminal: set up a tunnel: $ ssh -L 8585:localhost:8585 remote_server

4. local Mac/PC: browser: https://localhost:8585

   With this, the localhost:8585 traffic is routed through tunnel to remote_server sshd to remote_server port 8585 to remote_server process jupyter lab.

   In remote_server, check if jupyter lab (or any process) is listening to port 8085:
   $ netstat -an | grep LISTEN | grep 85