Install libpam-duo by entering the following commands in the terminal:
sudo apt update sudo apt install libpam-duo
Description:
PAM module for Duo Security two-factor authentication
This provides the PAM module needed to interact with the Duo Security API for handling out-of-band two-factor authentication. Also includes manpage.
Homepage: https://github.com/duosecurity/duo_unix
Version: 1.9.21-1build1
Section: universe/libs