How to combine SSH key authentication and two-factor authentication on Linux Your email has been sent Jack Wallen shows you how to set up both two-factor authentication and SSH key authentication for ...

Authentication is a mechanism that verifies whether an entity is who it claims to be. On a Linux system, applications, such as su, passwd or login, are used to authenticate users before they are given ...

If you run a publicly accessible Web server for your own use (and let's face it, if you're reading Linux Journal, there's a very good chance you do), how do you go about limiting the risk of someone ...

I've been using Secure Shell (SSH) for decades. With this remote login tool, I can rest assured my remote machines accept logins securely and efficiently. At the same time, I also understand nothing ...