Support for fingerprint reader

if archwiki is unclear ask i can help for sure as i do set it up freshly…

yay -S fingerprint-gui
sudo gpasswd -a username scanner
sudo gpasswd -a username plugdev
log out and back in, if you are on kde or gnome:

then:
fingerprint-gui -d

If it do work in detecting your device and you can setup reading fingerprints:

If you are using GNOME or KDE follow the instructions pacman gives and remove the following files:

sudo nano /etc/xdg/autostart/
and remove :

 polkit-gnome-authentication-agent-1.desktop 
 polkit-kde-authentication-agent-1.desktop

save Ctrl+X

now follow:
https://wiki.archlinux.org/index.php/Fingerprint_GUI#Authentication
to setup pam files to make use of fingerprint reader…
the one for su and suso and for loginmanager like lightdm sddm or gdm…

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