How can I configure the OpenSSH server (on Ubuntu) to allow keyboard-interactive but not password authentication?
I know that public-key-authentication is the preferred one, but I want to test a user setup.
You need to configure PAM for use with OPIE or OTPW, depending on your Ubuntu version. Once you have a one-time password system in place and properly configured via the
Don't forget to reload SSH after making changes to the configuration file; otherwise, your changes will not take effect.