ARCOSPutty Fatal Error || Disconnected: No supported authentication methods available (server sent: publickey, keyboard-interactive)

ARCOSPutty Fatal Error || Disconnected: No supported authentication methods available (server sent: publickey, keyboard-interactive)

ERROR DESCRIPTION:-

If you face the below error while accessing SSH Linux service then follow the below steps:- 

Screenshot:- 


ARCOSPutty Fatal Error || Disconnected: No supported authentication methods available (server sent: publickey, keyboard-interactive)

REASON:-
The target server supports only SSH Key authentication and not Password Authentication because of which it is not supporting Arcon's Single Sign on Password authentication method. 

RESOLUTION:-
1) You will either have to enable "PasswordAuthentication" on the target server. 
2) Else, enable "SSH Key Enabled" from the service configuration and right click on the service and "Update SSH Key Manually"
3) SSH Key will be provided by their Linux team. 

NOTE:- 
You can enable Password Authentication by following the below steps:- 
1) We need to enable PasswordAuthentication in sshd_config file on the target server. 
2) Login to target server with root or (root equivalent) access: vi /etc/ssh/sshd_config 
3) Then you will have to uncomment PasswordAuthentication and set it to yes. Refer the below screenshot for reference:
       
4) Save the file using the command ZZ or : wq.
5) You have to restart the sshd service on the target server.