In this article, we'll show you how to use PuTTy to establish an SSH connection using public key authentication.
You entered the public key under Additional Settings > SSH Key when creating your Cloud Server.
Enter the IP address of your server in the Host name (or IP address) field.
Under Category > Connection, click Data.
Enter the username in the Auto-login username field.
Under Category > Connection > SSH, click Auth.
Under Private key file for authentication: click on Browse...
Select the Private Key.
To establish the SSH connection, click Open.
A warning message appears when logging in for the first time.
To allow the connection and save the key for future sessions, click Yes.
The SSH connection is established.