default profile File for linux

Hello,

I didn't found my default profile file on my linux server. I searched for a hidden .calibre2opds.xml and copied a windows generated file on my server. But wether in the calibre2opds directory nor in the home root driectory the placed files where read by the run.sh. I didn't found a help file or a --help parameter or so.
I'm waitung and i hope for a solution.

Thanks,
Michael