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.

An SSH key is an authentication and connection tool for remote servers and services. Although system administrators and power users often utilize the keys to automate processes and accomplish single ...

Learn how to find your SSH key on Linux, macOS, or Windows. Follow these simple steps to locate your SSH key for secure connections and setup.

So I am finally returning to linux after a bit of a hiatus. I have installed Ubuntu 7.10 on my laptop and I am absolutely AMAZED with how easy to set-up and use it is. Truly plug-and-play.Anyway ...

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 latest version of the secure remote shell, OpenSSH 10, marks a significant step in the evolution of security protocols by fully retiring the outdated DSA algorithm. The new standard for key ...

The U.S. Computer Emergency Readiness Team (CERT) has issued a warning for what it calls "active attacks" against Linux-based computing infrastructures using compromised SSH keys.

A new version of OpenSSH, an implementation of the secure shell protocol, includes a switch to a new key-exchange mechanism by default, among other changes. An advisory from developer Damien ...

OpenBSD has recently stressed to us the value of key rotation by their use of “Signify” distribution release signatures. We have realized that SSH keys should also rotate, to reduce the risk of ...