Natively Xubuntu (as well as any other version of *ubuntu) does not support fingerprint reader. To enable this feature and use it as an alternative way of authentication, you have to install additional package. One of them is called Fingerprint GUI and it supports several fingerprint reader devices.
First of all open terminal and check if yours is supported. Type:
In my case below result appeared:
Bus 002 Device 003: ID 04b3:310c IBM Corp. Wheel Mouse Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 005: ID 04f2:b217 Chicony Electronics Co., Ltd Lenovo Integrated Camera (0.3MP) Bus 001 Device 003: ID 147e:2016 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Upek Biometric Touchchip/Touchstrip Fingerprint Sensor is the key and value for it:
Now take a look of this table:
Using terminal add new PPA:
sudo add-apt-repository ppa:fingerprint/fingerprint-gui
and update repositories:
sudo apt-get update
Now install packages:
sudo apt-get install libbsapi policykit-1-fingerprint-gui fingerprint-gui
Last thing to do is to log out and log in back to your computer.
If you watched carefully the process of installation, you have probably noticed that package:
has been removed. Before you will uninstall Fingerprint UI, you need to install back this package.
sudo apt-get install policykit-1-gnome
sudo apt-get remove fingerprint-gui
Here are useful commands:
sudo pam-auth-update --force
Keep an eye on:
Eveything has been tested on Xubuntu. It should work as well on Ubuntu. Problems may be using Fingerprint GUI with KDE (Kubuntu).