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How to Setup Two-Factor Authentication (Google Authenticator) for SSH LoginsApr 24, 2013, 14:00 (0 Talkback[s])
(Other stories by Ravi Saive)
By default, SSH already uses a secure data communication between remote machines, but if you want to add some extra security layer to your SSH connections, you can add a Google Authenticator (two-factor authentication) module that allow you to enter a random one-time password (TOTP) verification code while connecting to SSH servers. You???ll have to enter the verification code from your smartphone or PC when you connect.
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