I need to do a setup which I expected to be very common: Setup freeRadius, google-authenticator with an existing Active Directory to setup 2FA for Horizon View.
Show the qr-code generated by google-authenticator on a website after user authenticated with his Windows-credentials.

I found an ages old article on how to get this done on archive.org.
Unfortunately, the package totp-cgi mentionned there does not exist on Debian AND depends on pam_url --which apparently I cannot build on Debian, and I have no idea if the needed packages still exist on newer versions of centOS.

Displaying qr-codes on website should be problem someone has already solved.

What am I missing?

1 Answer 1


Found the tool to solve my problem: LinOTP

The projects documentation is excellent, too!

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