The user is getting below error when he is trying to login to
server via putty:
Error: disconnected no
supported authentication methods available (server sent publickey)
The user is getting login prompt and so after entering username he
is trying to hit enter so he can use his password, but the screen shows the
error as mentioned above.
Ans: There are two methods for authentication
1. Password authentication
2. ssh key authentication
After entering
username the server will authenticate the user first via password and if it not
successful then it will ask for key. The authentication is getting done by
checking /etc/ssh/sshd_config file
The possibilities could be that in sshd_config file we might have
disabled the password authentication and so server is trying to check public
key as authentication from password is failed. But the user has not provided
the key so user got above error.
To resolve this, edit the file /etc/ssh/sshd_config and change line
root@cloud home]# vi /etc/ssh/sshd_config
PasswordAuthentication no
to
root@cloud home]# PasswordAuthentication yes
and restart the ssh daemon to re-read sshd_config file
root@cloud home]# service sshd restart
Regards,
Kiiran B Jadhav
