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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 ...

How to set up passwordless SSH authentication for Ubuntu Server Your email has been sent You probably secure shell into your Linux servers throughout the day. Hopefully, you’ve set those servers up ...

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” ...

I don't see that scaling with people or servers. That means I have to manually request ssh public keys from my coworkers, update the script, then somehow dynamically update the script as we scale ...

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 ...