в логах

May 10 03:49:47 mx rsyslogd-2039: Could not open output pipe '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ]

идем в

/etc/rsyslog.d

убираем в 50-default.conf

##daemon.*;mail.*;\
##      news.err;\
##      *.=debug;*.=info;\
##      *.=notice;*.=warn       |/dev/xconsole