You should build updated libfprint package and install it into system. GDM (and Gnome3) use fprintd, so you'll be able to scan finger instead of entering password, not sure about unity/kde4. Btw I've asked fprint ppa team (https://launchpad.net/~fingerprint/+archive/fprint) to build updated libfprint
You should build updated libfprint package and install it into system. GDM (and Gnome3) use fprintd, so you'll be able to scan finger instead of entering password, not sure about unity/kde4. Btw I've asked fprint ppa team (https:/ /launchpad. net/~fingerprin t/+archive/ fprint) to build updated libfprint