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Thread: HOWTO: Fingerprint reading in Ubuntu with fprint

  1. #91
    Join Date
    May 2009
    Location
    New Delhi
    Beans
    372
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: HOWTO: Fingerprint reading in Ubuntu with fprint

    Quote Originally Posted by Nakebod View Post
    Maybe a stupid question, but I haven't found the answer in this tread:
    Is it possible to change the finger in the login screen?
    So far it is always asking me for my left middle finger, and I'd prefer to (always) use my right index finger for authentication.
    you can swipe any finger that you have enrolled
    not necessarily the one it says

  2. #92
    Join Date
    May 2009
    Location
    New Delhi
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    372
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: HOWTO: Fingerprint reading in Ubuntu with fprint

    ok
    got it
    had to comment out the default line

  3. #93
    Join Date
    Apr 2006
    Beans
    4

    Re: HOWTO: Fingerprint reading in Ubuntu with fprint

    Hi.
    I have a problem with fprint.
    Generally it works fine. But!
    In gdm screen I click on my username and there is a text: "Could not locate any suitable fingerprints matched with available hardware."
    So I followed troubleshooting and... it didn't work... :/
    But!
    When I login with my password and do something that requires fprint it works fine /sudo something/.
    Weird.
    But!
    I login in console /ctrl+alt+f1/ with my username and password /again could not locate fingerprint/ and switched to gdm. Clicked on my username and wow! "Scan right index finger on AuthenTec AES1610"
    I swiped and logged on.

    Could someone help me?

    /sorry for my english/

  4. #94
    Join Date
    Jul 2007
    Beans
    14

    Re: HOWTO: Fingerprint reading in Ubuntu with fprint

    Quote Originally Posted by RedHand View Post
    Hi.
    I have a problem with fprint.
    Generally it works fine. But!
    In gdm screen I click on my username and there is a text: "Could not locate any suitable fingerprints matched with available hardware."
    So I followed troubleshooting and... it didn't work... :/
    But!
    When I login with my password and do something that requires fprint it works fine /sudo something/.
    Weird.
    But!
    I login in console /ctrl+alt+f1/ with my username and password /again could not locate fingerprint/ and switched to gdm. Clicked on my username and wow! "Scan right index finger on AuthenTec AES1610"
    I swiped and logged on.

    Could someone help me?

    /sorry for my english/
    Is it possible that you installed with an encrypted home directory? If so this make sense as nothing has allowed the decryption of your home until you have logged in once. (I may have misunderstood your issue, though.) If that's the case, I'm not sure what the resolution is, but that might help identify a work-around.

  5. #95
    Join Date
    Jul 2007
    Beans
    14

    Re: HOWTO: Fingerprint reading in Ubuntu with fprint

    Thanks for the HOWTO. It worked for me on Karmic x86_64 with an AES2501.

    I'm fairly new to configuring PAM, and I'm having one issue I haven't resolved yet. Is there a way to specify that fprint should only be allowed to authenticate a local user? I ssh into my box over a local network sometimes, and it doesn't make much sense to have to walk into the room to scan my finger.

    I believe I've seen this before, and I could add a copy of common-auth named common-auth-no-fingerprint with fprint removed for inclusion in the /etc/pam.d/sudo file, but it would make more sense to force fprint authentication to always fail for a remote user.

    Thanks for any suggestions.

  6. #96
    Join Date
    Mar 2009
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    217

    Re: HOWTO: Fingerprint reading in Ubuntu with fprint

    Quote Originally Posted by xyepblra View Post
    Device is not supported...
    Any idea of when it will be supported. I also have a DigitalPersona but the codes aer 138a and 0005.

  7. #97
    Join Date
    Jan 2010
    Beans
    17
    Distro
    Ubuntu 9.10 Karmic Koala

    Re: HOWTO: Fingerprint reading in Ubuntu with fprint

    Quote Originally Posted by nikhilbhardwaj View Post
    you can swipe any finger that you have enrolled
    not necessarily the one it says
    I tried swiping a different finger... no luck. has to be the one it says...

  8. #98
    Join Date
    Sep 2007
    Beans
    216
    Distro
    Ubuntu Development Release

    Re: HOWTO: Fingerprint reading in Ubuntu with fprint

    Thank you for this guide, it worked great.

    I've got a somewhat off topic question.
    If I would like to integrate this in a python program, what should I do.
    What files are needed?

    I looked at the gksu.py file to find out but it didn't give me much.

  9. #99
    Join Date
    Sep 2009
    Beans
    2

    Talking Re: HOWTO: Fingerprint reading in Ubuntu with fprint. A success

    Thanks. It really works. Even for login, sudo and i must say it is impressive. Great job. I followed every instruction carefully and hooray it works!!!. TQ SO MUCH. Here is one of the screenshots.

  10. #100
    Join Date
    Aug 2007
    Beans
    4

    Re: HOWTO: Fingerprint reading in Ubuntu with fprint

    Thanks for this guide it works great!

    But i have a problem, i HAVE to use a fingerprint authentication now to login. Is there no way where i can use either the fingerprint authentication or the password?

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