I got a YubiKey 5 and I played some weeks with it. Example of things I’ve done:
- ✅ passwordless sudo in Debian, or, 2FA sudo in Debian
- ✅ passwordless policy kit (e.g. “Run as administrator”) in Debian, or, 2FA for it
- ✅ passwordless login in some websites, or, 2FA, in Firefox
- ✅ passwordless SSH access in Debian, or, 2FA SSH in Debian
- ✅ passwordless login in Debian, or, 2FA login in Debian (
sddm) - 🥶 but screen unlocking
I mean, super easy to login, but it was impossible to lock/unlock the screen with YubiKey. WHY? Good question.
Answer: KDE designers are too good and trolled me :3 note for myself: