How to Log In To Your Linux Desktop With Google AuthenticatorFeb 02, 2015, 13:00 (1 Talkback[s])
For additional security, you can require a time-based authentication token as well as a password to log into your Linux PC. This solution uses Google Authenticator and other TOTP apps.
This process was performed on Ubuntu 14.04 with the standard Unity desktop and LightDM login manager, but the principles are the same on most Linux distributions and desktops.
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