returned PAM_CONV_AGAIN.
PAM_SERVICE_ERR

  The user name is not valid or the passwd file is unavailable.

PAM_PERM_DENIED

  The user is not listed in the passwd file.

### 6.18.5. EXAMPLES

Add the following lines to `/etc/pam.d/su` to allow only local users or group wheel to use su.

    account sufficient pam_localuser.so
    account required pam_wheel.so

### 6.18.6. AUTHOR

pam_localuser was written by Nalin Dahyabhai <nalin@redhat.com>.

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