YubiKey

Chekc YubiKey by Yubico on online website.

Login with GDM

• Edit file /etc/Yubico/u2f_keys_username

  username:BASE64CODE:BASE64CODE,es256,+presence
  

• Edit file /etc/pam.d/gdm-password

  @include common-auth
  auth    [success=1 default=ignore]    pam_u2f.so    authfile=/etc/Yubico/u2f_keys_username    cue
  auth    optional        pam_gnome_keyring.so
  @include common-account