Andreas Bernauer writes: > Alain Cochard wrote on Fri, Jul 20 2007 at 11:59 (+0200): > > Just a few days ago, I stopped being able to 'su' or 'su > > some_user' from a terminal: the passwords are no longer accepted. > > Same problem to unlock a session (need to enter the password). > You may not have noticed, but the problem seems to be that PAM is > denying access. Check the file /etc/pam.d/su to see why it may be > doing this. My su-file looks like the one attached and is from > FC6. Thanks Andreas. Unfortunately, my /etc/pam.d/su file is exactly identical to yours... > You may also want to turn on some 'debug' option flag in the pam > modules. However, there is no general debug interface to PAM > (unfortunately). Well, I read the pam and pam_authenticate manuals, but have no idea of how to start on that. It appears to be way beyond my abilities. Any more clues, anyone? Alain