Section: Linux-PAM Manual (8)
In the case of authentication, the user's name will be set to nobody if the application didn't set one. Many applications and PAM modules become confused if this name is unknown.
Add this line to your other login entries to disable account management, but continue to permit users to log in.
account required pam_permit.so
pam_permit was written by Andrew G. Morgan, <email@example.com>.
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