auth requisite pam_nologin.so auth required pam_env.so auth required pam_unix.so -auth optional pam_gnome_keyring.so account required pam_unix.so session required pam_limits.so session required pam_unix.so -session optional pam_systemd.so -session optional pam_ck_connector.so nox11 -session optional pam_gnome_keyring.so auto_start password required pam_unix.so