- guide for ubuntu: https://support.yubico.com/hc/en-us/articles/360016649099-Ubuntu-Linux-Login-Guide-U2F
- guide for fedora: https://github.com/Zer0CoolX/Fedora-KDE-Yubikey-U2F-2FA-Logins-Guide/blob/master/README.md
- https://www.aukfood.fr/yubikey-parametrage-authentification-linux/
# Generate the u2f keys/config
pamu2fcfg -u $(whoami) -opam://$HOSTNAME -ipam://$HOSTNAME > ~/u2f_keys