Le 09/02/2018 à 09:00, Ed Greshko a écrit : > On 02/09/18 15:33, François Patte wrote: >> Le 08/02/2018 à 22:45, Ed Greshko a écrit : >>> On 02/08/18 23:53, François Patte wrote: >>>> Le 08/02/2018 à 14:39, Ed Greshko a écrit : >>>>> On 02/08/18 20:21, François Patte wrote: >>>>>> I have problem with lightdm greeter: one user cannnot log-in: I have >>>>>> this message in /var/log/lightdm/lightdm.log: >>>>>> >>>>>> Authenticate result for user cath : User not known to the underlying >>>>>> authentication module >>>>>> >>>>>> What does it mean and how to recover? >>>>> First thing to check. Does user cath have an entry in the /etc/shadow file? >>>> Certainly! She can login through ssh. >>> But is the user logging it via ssh using keys or a password? >> password >> >>> Have you, as root, tried resetting the password? >> Yes I did >> > > OK.... > > How about you take note of the numeric UID and GID and then delete the user without > deleting their home directory. Then recreate the user with the same numeric UID and > GID but pointing to a new home directory. Then test. If the test is successful then > change the password file to point to the original home directory. Seems to be an empirical way to solve the problem! Nobody knows what is responsible for such a message (Authenticate result for user cath : User not known to the underlying authentication module)? What is this module and how to inform it that a new user was added? > > Oh, before that, what is the numeric UID and GID of the user? If it is less than > 1000 it may cause issues. > 3000 -- François Patte UFR de mathématiques et informatique Laboratoire CNRS MAP5, UMR 8145 Université Paris Descartes 45, rue des Saints Pères F-75270 Paris Cedex 06 Tél. +33 (0)6 7892 5822 http://www.math-info.univ-paris5.fr/~patte
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