Comando pamtester -v auth pknopf authenticate pamtester: invoking pam_start(auth, pknopf, ...) pamtester: performing operation - authenticate Password: pamtester: Authentication failure journctl Feb 06 13:22:17 PAULS-ARCH unix_chkpwd[31998]: check pass; user unknown Feb 06 13:22:17 PAULS-ARCH...