Configureable option would be a pain in the ass, as would trying to extract the parameters from an installed container.  If @saarg can modify the permissions from within the container at startup that would be the cleanest suggestion.  Otherwise the only way I can do it with the plugin realistically is by adding this to the plugin startup routine. chmod -R 777 /dev/ttyUSB* Which I have no problem with doing, just would need some advice on what other devices may be ttyUSB and the ramificati