Or typo in /etc/default/shellinabox..... In this file are all settings named "SHELLINABOX_*****", but the "ARGS" are wrong: SHELLINABOXD_ARGS
Or typo in /etc/default/ shellinabox. .... In this file are all settings named "SHELLINABOX_ *****", but the "ARGS" are wrong: SHELLINABOXD_ARGS