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 ...

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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, ...

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 ...

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 ...

The command will move through a series of prompts. First, it will ask where you want to save the keys. Unless you are an expert, accept the default. This will create an “id_rsa” and an “id_rsa.pub” ...

Version two of the Secure Shell protocol implements a flexible authentication and authorization system. Smart cards, one-time passwords, Kerberos, public-key authentication and other methods may be ...