Reference list I used to play and configure YubiKey 5 NFC
- https://www.yubico.com/works-with-yubikey/catalog/ubuntu/
- https://zeos.ca/post/2018/gpg-yubikey5/
- https://ocramius.github.io/blog/yubikey-for-ssh-gpg-git-and-local-login/
- https://metebalci.com/blog/using-u2f-at-linux-login/
/etc/pam.d/common-auth
auth required pam_u2f.so authfile=/etc/Yubico/u2f_keys origin=pam://<HOSTNAME> appid=pam://<HOSTNAME> debug debug_file=/var/log/pam_u2f.log
where:
-
is your hostname - debug entries only if you want to see log