I used to connect GCP instance with Tabby(3rd party SSH client) and it worked so well, somehow starting recently when I tried to connect to it it always shows this error. “All configured authentication methods failed “. What I have done , was just edited the file “vim /etc/ssh/sshd_config ” turned “PermitRootLogin” and “PasswordAuthentication” into “yes” and tried using the username as “root” with relevant password to login.
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My server is ubuntu 20.04 TLS on GCP platform with a “n2-standard-2” spec. And it also notice some kinds of info related to the fingerprint when this error occurred.
Please help me take a look what exactly went wrong?
1.Setup a new SSH profile.
2.Input host ip, username as root, and ssh login password.
3.Confirmed only “Password” icon was selected on “Authentication method”
4.It turns out below capture error.
enter image description here
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