I just setup another droplet, but this time I used the SSH key that I previously uploaded to the digitalocean control panel. The good news is now root login works flawlessly when used directly by my local tools (such as Filezilla and Putty). The bad news is that I can no longer use the DO web console since I can’t tell it to use the SSH key I’ve uploaded. Did I miss some setup with the DO web console to use the uploaded ssh key?
It looks like the only option to use the DO web console (once you’ve converted existing login accounts to ssh-only logins) is to set up an account that does not use ssh-only login but instead uses the traditional login+password method, then su to root. Is that correct?
These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.