Now I can connect to calibre server without problems
--8<---------------cut here---------------start------------->8--- %aptitude show calibre Package: calibre Version: 5.16.1+dfsg-1 New: yes State: installed Automatically installed: no Priority: optional Section: text --8<---------------cut here---------------end--------------->8--- -- http://stopstopnop.pl/stop_stopnop.pl_o_nas.html