What is keyboard interactive?

Keyboard-interactive (KBI) authentication is a form of authentication for SSH that mimics the process of keyboard interaction, sending authentication information in the SSH server’s request. SSH KBI adapter uses user name and password information for authentication.

How do I SSH into a Digitalocean server after getting permission denied Publickey error?

1 Answer

1. Server/Droplet Ubuntu: nano .ssh/authorized_key.
2. MacOS local machine: cat . ssh/id_ed25519. pub ( I used ed25519 type in this instance, change to whatever yours pub key is).
3. Paste the SSH pub key to authorized_key file.
4. Reload ssh on Ubuntu server/droplet: systemctl reload ssh.

How do I resolve permission denied public key?

This error comes up when using a wrong private key or no key at all when trying to connect via SSH. To resolve the problem, you should generate a new key pair and connect using that new set of keys.

How do I enable keyboard interactive authentication in Linux?

6.1. 2 Configure Keyboard Interactive Authentication

1. Open the client configuration file (/etc/ssh2/ssh2_config) in a text editor.
2. Edit the AllowedAuthentications keyword. For example, to require keyboard interactive authentication: AllowedAuthentications=keyboard-interactive.

How do I use keyboard interactive authentication in PuTTY?

To use keyboard interactive authentication in PuTTY, though, you must enable the method….How to Use Keyboard Interactive Authentication with PuTTY

1. Launch PuTTY on the computer.
2. Click the plus sign to the left of “SSH” under the “Connection” header at the left side of the PuTTY window.
3. Click “Auth” under “SSH.”

How do I fix SSH permission denied Publickey?

If you want to use a password to access the SSH server, a solution for fixing the Permission denied error is to enable password login in the sshd_config file. In the file, find the PasswordAuthentication line and make sure it ends with yes . Find the ChallengeResponseAuthentication option and disable it by adding no .

How do I get around Permission denied in Linux?

To fix the permission denied error in Linux, one needs to change the file permission of the script. Use the “chmod” (change mode) command for this purpose.

What does the SSH permission denied error mean?

The SSH Permission denied error appears after permission-related settings are modified on the SSH server. Usual scenarios include a new package installation or the creation of new users.

Why can’t my public SSH key connect to another user?

They need to be sure that it was loaded to their authorized_keys file and that the permissions going down to the $HOME/.ssh directory are set restrictive enough. Also, they need to be sure that the $HOME/.ssh/authorized_keys file they placed your public key into is that of the user with which you are trying to connect.

Why is my SSH public key authentication failing?

Also, they need to be sure that the $HOME/.ssh/authorized_keys file they placed your public key into is that of the user with which you are trying to connect. The public key authentication is failing though. You can see it here being attempted.

What does permission denied mean in GSSAPI?

Permission denied (publickey,gssapi-keyex,gssapi-with-mic) Following the Permission denied statement, the bracket contains the attempted authentication methods that failed at the initiation of the connection. The error suggests that the public key is the issue, which is misleading.