Question

9

Google Authenticator for Desktop (lightdm or gdm plugin)

rated 0 times [ 9] [ 0] / answers: 1 / hits: 20338 / 3 Years ago, sat, august 14, 2021, 2:44:10

There has a been a similar question, but that's not exactly what I want.

I'd like to know if there is a plugin, or add-on, for lightdm or gdm that allows me to authenticate using my password AND google authenticator. I'm talking about entering your GA code into the desktop login -- both GUI or command line, shell login -- in order to gain access to your local desktop.

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montwim

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answered 3 Years ago rontablis · Accepted Answer

Take a look at this blog post titled: Google Two-Step Authentication On Your Desktop
What is it?

Installation

sudo apt-get install libpam-google-authenticator

Usage

google-authenticator

ss #1
ss #2

According to the blog post there's a version of lightdm-kde that has the 2 factor authentication included which can take advantage of Google Authenticator when you add the included PAM module into your environment.

auth required pam_google_authenticator.so

Resulting in your GUI logins looking like this:

ss #3
ss #4

source here