How to Log In To Your Linux Desktop With Google Authenticator

February 1, 2015 – 8:37 AM

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.

We previously showed you how to require Google Authenticator for remote access via SSH, and this process is similar. This doesn’t require the Google Authenticator app, but works with any compatible app that implements the TOTP authentication scheme, including Authy.


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