I just attempted to install and run the linux client on another machine and get the following error when I try to run it:
artman@linux-20dz:~/PortSensor> ./PortSensor ERROR: ld.so: object '/usr/lib64/libv4l/v4l2convert.so' from /etc/ld.so.preload cannot be preloaded: ignored. Gtk-Message: Failed to load module "pk-gtk-module": libpk-gtk-module.so: cannot open shared object file: No such file or directory
From the reading I did, it looks like this is related to the PackageKit package which has this module.