sudo apt-get install pcscd gnome-screenshot yubikey-manager pamu2fcfg #make config directory mkdir -p ~/.config/Yubico #use yubikey manager to unlock the device ykman config set-lock-code --generate #code = d4d2a245932d707c0d1558cb55a16a4d #Enable Applications on USB ykman config usb --enable-all #Connect Security Key pamu2fcfg > ~/.config/Yubico/u2f_keys #