SSH Key Authentication: SSH made both more convenient AND more secure

In this tutorial, I'll guide you through the process of using SSH public/private key authentication for securely accessing servers. This powerful authentication method relies on the principles of asymmetric key cryptography to ensure that your data remains protected.
First, I'll provide an overview of asymmetric key cryptography - a fundamental concept underpinning this authentication technique. You'll learn about public and private keys, how they work together, and how they can be used for maintaining secure remote access to servers.
Next, I'll walk you through the process of creating your own SSH key pair using the `ssh-keygen` command. This is how we generate a public/private key pair on your local machine.
Then, I'll demonstrate how to add the generated public key to a server's `authorized_keys` file. By doing so, you authorize your specific public key is for authentication on that server. No more passwords required!
Finally, I'll show you how to make this process even more convenient using the `ssh-copy-id` command. With just one simple command, you can easily copy your public key to a remote server and add it to the appropriate file - no need for manual editing!
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