"<p>In this tutorial, we will guide you through the process of configuring SSH passwordless login to a VPS. This method is more secure than traditional password-based authentication because it eliminates the need to enter a password every time you log in. As a result, this approach helps prevent password interception or brute-force attacks.</p> <h3><strong>How it Works ?</strong></h3> <p>SSH passwordless login is a method of authenticating to a remote system without the need to enter a password every time you log in. Instead, it uses public-key cryptography to establish a secure connection between your local computer and the remote system.</p> <p>The process begins by generating a public/private key pair on your local computer. The public key is then copied to the remote system and added to the authorized keys list. This list contains all the public keys that are allowed to access the system.</p> <p>When you attempt to log in to the remote system, your local computer sends its public key to the remote system. The remote system then looks up the authorized keys list to see if your public key is present. If it is, the remote system encrypts a message using your public key and sends it back to your local computer. Your local computer then uses its private key to decrypt the message and prove its identity.</p> <p>If everything matches up, the remote system grants you access without the need for a password. This process is much more secure than traditional password-based authentication because the private key never leaves your local computer and the public key is only used for authentication purposes.</p> <p>Overall, SSH passwordless authentication is a convenient and secure way to authenticate to remote systems, and it can save you time and effort by eliminating the need to enter a password every time you log in.</p> <p> </p>"