Passwordless SSH login

[Bob]

** Reply to message from "Bob" <ubuntu-qygzanxc at listemail.net> on Wed, 10 Feb
2021 15:49:35 -0800

> I have set up SSH between two computers on my LAN and am trying to disable
> password login.  SSH works between the computers.  I can login using
> public/private keys.  What I have not been able to do is disable the password
> login.
> 
> The instructions I am using
> <https://www.linuxbabe.com/linux-server/setup-passwordless-ssh-login> says to
> edit /etc/ssh/sshd_config and change "PasswordAuthentication" from "yes" to
> "no" and change "ChallengeResponseAuthentication" to "no".  That did not work
> as I can still SSH to the computer and login to the computer using the
> password.
> 
> When I edit /etc/ssh/sshd_config "PasswordAuthentication" is commented out so I
> removed the comment and changed "yes" to "no". 
> "ChallengeResponseAuthentication" was not on the config file so I added it. 
> What else do I need to do?

I think this has gotten off on a tangent.

What I want is to prevent someone logging in the the computer using a password.

I only want to allow a login using an rsa key.

-- 
Robert Blair


A government big enough to give you everything you want, is strong enough to take everything you have.  -- Thomas Jefferson