I' have only used the plotting, the plotted drive i have put in a windows machine. to generate the command i used mjminer-Plot-Command-Generator (

thank you, that can be the Issue. I have needed really to much time to insert the update_witness command. If i insert the update-witness command over my terminal in the ssh connection, the inserted command

with conductor docker bases on this guide, i have now i running witness thank you ;-)