I enthusiastically use two-factor authentication whenever possible, because static passwords aren't the best mechanism around any moat. Traditional passwords are vulnerable to social engineering, ...

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 ...

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 ...

Public key authentication with SSH is possible with WinSCP, but it requires some work to set up. Chad Perrin details the steps. WinSCP is an open source tool for Windows that allows files to be safely ...

I administer a RHEL server, which until recently was running RHEL 5.something. I had public keys set up so I could connect to this server from my desktop without a password (using keychain to manage ...

You can avoid command line tedium and simplify access to a fleet of servers by creating a flexible configuration file for your SSH client. Here’s how. This blog post covers how to configure the ...