What is “pam_yubico” Package?

Yubico pluggable authentication module
For more details: https://developers.yubico.com/yubico-pam/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install pam_yubico.

  brew install pam_yubico

Now, use pam_yubico!