Jack Wallen shows you how to set up both two-factor authentication and SSH key authentication for a rock-solid remote login of your Linux servers.

To set up SSH key authentication, you'll need at least two Linux machines, one you log in to and one you log in from. I'll demonstrate with Pop!_OS as my desktop and Ubuntu Server as my remote server.

The key can contain numbers, letters, or symbols like the one above. On remote Unix, Linux, or macOS machines the public key needs to be placed into a file called ~/.ssh/authorized_keys file using a ...

The basic was SSH runs is with keys, you create SSH keys in Mac OS X using the ssh-keygen command in Terminal. This feature looks at how to generate an SSH key pair in Terminal.

Without properly controlling, auditing or terminating SSH key-based access to IT systems and data, most enterprises, government agencies, and healthcare providers are leaving themselves vulnerable ...

SSH known hosts store server fingerprints to prevent security risks. Learn how to use SSH known host commands to manage entries on Linux systems.

Configuring PuTTY for SSH Connections Before initiating an SSH connection, you need to gather some vital information: the IP address or hostname of the Linux server you're connecting to, the port ...

We'll use SSH to create a pair of secured network tunnels that we can use to send and receive our unencrypted email. You might be able to create just one tunnel for retrieving email, but some ...