NOTE: In kubuntu 24.10 beta, just after installing fprint, the User tab in System section of settings will has a “Configure FingerPrint Authentication …” button, but it just cannot work correctly (finger image to ”pick a finger” won’t show).
NOTE: in fact, in kde in archlinux, just pacman -S fprint is enough.
apt install fprint libpam-fprintd
pam-auth-update --enable fprintd
ref https://askubuntu.com/questions/1237451/using-fingerprint-reader-in-kubuntu-20-04-on-thinkpad-t495
Or pam-auth-update to open an interactive TUI
ref https://wiki.debian.org/SecurityManagement/fingerprint authentication
NOTE:
unlike Windows, kde’s fingerprint authentication on initial login screen doesn’t come to work until the password input screen is on (a.k.a the screen after you press any key on initial screen, like Enter)
关于thinkbook 14 Gen6+的指纹设备是被支持的证据: