LOCAL users are unable to login on the system.

Solution Verified - Updated -

Issue

  • LOCAL users are unable to login on the system, following errors are observed in /var/log/secure:
Aug 26 14:47:02 testsystem unix_chkpwd[5864]: check pass; user unknown                  
Aug 26 14:47:02 testsystem unix_chkpwd[5864]: password check failed for user (localuser)   
Aug 26 14:47:02 testsystem login: pam_unix(login:auth): authentication failure; logname=LOGIN uid=0 euid=0 tty=tty1 ruser= rhost=  user=localuser  
Aug 26 14:47:04 testsystem login: FAILED LOGIN 1 FROM tty1 FOR atosadm, Authentication failure

Environment

  • Red Hat Enterprise Linux 6 & 7
  • pam
  • setup

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