#%PAM-1.0 auth required pam_env.so auth required pam_succeed_if.so user != root quiet auth sufficient pam_succeed_if.so user ingroup nopasswdlogin auth include system-auth account required pam_nologin.so account include system-auth password include system-auth session optional pam_keyinit.so force revoke session include system-auth session required pam_loginuid.so session optional pam_console.so