I'm using Commander One Pro Version 2.5.1 (3317) under macOS Catalina Version 10.15.7 (19H2).
What I want to do is to connect SFTP, with an RSA public key, to an Ubuntu 20.04.1 LTS (Oracle Cloud) server.
It works fine when I connect to it with macOS Terminal. Also works fine with ForkLift app.
But when I try with Commander One Pro, there's an authentication failure. I've selected .ssh/id_rsa.pub for the key file.
What can I do?