Connect with SSH Keys Using Putty

Step 1: Generate SSH Keys

Open Puttygen and click on Generate to obtain both keys:

Click on Save private key to obtain the private key (.ppk)

Enter passphrase if desired. The passphrase adds an extra layer of protection to the private key.

Step 2: Configure SSH on Server

Open the file ~/.ssh/authorized_keys on your server.

Paste the public key into this file.

Save the file and execute:

systemctl restart ssh

Step 3: Configure Putty

Now open Putty:

• Enter your server's IP address.
• Click on SSH, then Auth, then Browse to load your private key.

• Save the session configuration by entering a name in the Saved Sessions field and clicking Save.
• Click Open to establish the SSH connection.