Using a key to allow putty (or SSH) to automatically log on to Linux is a solution for several problems __linux

When you log on to Linux with an SSH key, you encounter

Server responded "No Further authentication methods available"

No more authentication methods available error prompts, has not been able to log in from the Internet to find a variety of methods have not been able to solve the problem; In the case of an SSH login with this problem, the putty is also logged on, and the error message is "Server Refused our key ".

Workaround:

Configure the "/etc/ssh/sshd_config" file

Change the #strictmodes yes line to "Strictmodes no"

Restart Sshd,service sshd Restart

Try to log in with the key again and the problem is resolved.