How to Solve “Disconnected: No supported authentication methods available ( server sent: publickey)” with Ubuntu AWS EC2 | by Omar Merghany | Medium
SOLVED: 'I made an ec2 instance using AWS and try to connect using SSH key via putty and make key pair and I perform all the steps to connect the server to
Setting up an Amazon EC2 Instance with an SSH Server, Mail Server, and an SSL Certificate - CodeProject