Linux Sync client support for 18.10
The Linux client as it currently exists is hopelessly inadequate. On Ubuntu (18.10) it won't launch. Furthermore, you have no idea what's wrong unless you modify the filecloudsyncstart.sh file and remove the redirection to /dev/null. Apparently I do not have the necessary libpng12.so.0 file.
For anyone else having the problem and are using Ubuntu, here is the solution:https://www.linuxuprising.com/2018/05/fix-libpng12-0-missing-in-ubuntu-1804.html
In addition, there is no .desktop file, so unless the user knows how to create one on their own, it is not possible to launch the app from the application menu.
The best option would be to provide the linux sync client in the form of a snap, flatpak or appimage package, so that you can distribute the client in a non-distribution specific manner, using whatever libraries you want.