Fingerprint Login on Linux Mint 17 (Cinnamon, x64)

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Fingerprint Login on Linux Mint 17 (Cinnamon, x64)

Postby Mint Condition on Tue Jun 24, 2014 9:41 am

Dear Linux Mint forum community,

I recently upgraded my Thinkpad X61s to Linux Mint 17 from version 16 which I had before. On Mint 16, fingerprint login worked fine after installing and setting up fingerprint-gui.
However, with Mint 17, I cannot log in with MDM.
Everything else seems to work though: It shows me the message to swype my finger, then it shows "OK" - but MDM displays the message that a false password has been entered.
In cinnamon however, after logging in with my password, sudo and gksu work fine with the fingerprint reader.

Here's an excerpt from /var/log/auth.log, which I think contains the relevant information:
Code: Select all
Jun 24 15:18:18 ThinkPad-X61s pam_fingerprint-gui[2613]: Prompting password returned PAM_SUCCESS.
Jun 24 15:18:18 ThinkPad-X61s fingerprint-helper[2703]: Got SIGUSR2, EXIT_SUCCESS.
Jun 24 15:18:18 ThinkPad-X61s fingerprint-helper[2703]: Devices released.
Jun 24 15:18:18 ThinkPad-X61s pam_fingerprint-gui[2613]: Got password by keyboard.
Jun 24 15:18:18 ThinkPad-X61s pam_fingerprint-gui[2613]: Return 25 (PAM_IGNORE).
Jun 24 15:18:18 ThinkPad-X61s mdm[2613]: pam_unix(mdm:auth): authentication failure; logname= uid=0 euid=0 tty=:0 ruser= rhost=  user=username
Jun 24 15:18:21 ThinkPad-X61s mdm[2613]: WARNING: Couldn't authenticate user
Jun 24 15:18:21 ThinkPad-X61s mdm[2613]: pam_succeed_if(mdm:auth): requirement "user ingroup nopasswdlogin" not met by user "username"


However, wouldn't adding my username into the group "nopasswdlogin" mean, the user always gets logged in without having to enter either a password or to scan a fingerprint?

Please help me with that!

Thanks & best regards!
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Re: Fingerprint Login on Linux Mint 17 (Cinnamon, x64)

Postby bluedevil678 on Sun Jun 29, 2014 3:49 pm

I too am looking forward to seeing this work, Please keep us all updated.
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Re: Fingerprint Login on Linux Mint 17 (Cinnamon, x64)

Postby Livewire18 on Thu Aug 07, 2014 12:53 pm

Have you had any luck on this? I have Mint 17 Xfce on my Toughbook CF-30 and it is doing the same thing. I can swipe for SU and SUDO and other function, but when trying to login it just says bad username or password. I have removed and re-added it a few times and rebooted a few times as well. Same results.
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Re: Fingerprint Login on Linux Mint 17 (Cinnamon, x64)

Postby Rescueman on Mon Sep 08, 2014 1:40 pm

I have the same problem. SU SUDO Screen Lock and the package manager and everything else works fine. But after the launch at login it works also endures what one but then says "Username and Password not correct". My system is a Linux Mint 17 64 Bit as a new Installation! Does anyone have a solution for this problem?
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Re: Fingerprint Login on Linux Mint 17 (Cinnamon, x64)

Postby SJLPHI on Mon Sep 08, 2014 10:52 pm

Have you tried re-installing the fingerprint-GUI?
Make sure you "Purge" it. With my computer I installed it on LM17, no problem at all but because I've changed my password for my user after installing, for a while it plugged in the root password instead of the user password. I had to purge and re-install the package and it works fine since then.
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Re: Fingerprint Login on Linux Mint 17 (Cinnamon, x64)

Postby Rescueman on Tue Sep 09, 2014 12:18 pm

Hi thanks for the reply. I have the fingerprint-gui uninstalled quite a few times and reinstalled but to no avail. Even when I add a new user the same thing happens even with completely different names and passwords. Everything works fine except the login.
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Re: Fingerprint Login on Linux Mint 17 (Cinnamon, x64)

Postby hjhaberland88 on Thu Sep 18, 2014 5:42 pm

hi im using an hp probook 6570b which has a fingerprint reader how do i get it to work? I have installed the fingerprint-gui but for some reason the fingerprint device is not showing up can any one help me here?
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