Actually, the weird part is, some folders sync and some don't. If I create a new folder on my mac, the contents sync with the Raspberry Pi, but if I sync an old folder, it does not sync. I am trying to identify the problem. At first I thought it was a user-permissions error, but now I have ruled that out because I changed the permissions to the same as folders that did sync, and nothing happened. I now think the problem is that any folder that was in my Dropbox folder does not sync. They don't even sync with another computer such as a PC or another Mac. I don't know if it is because the folders were in the Dropbox folder, or because they were symbolically linked in the Dropbox folder. Here is my debug log: https://www.dropbox.com/s/ou8ehkstyj2zv56/BT%20Sync%20Log.txt You will see that my Mac receives ping from my Pi's IP (10.0.1.45), but does not actually send the files over. EDIT: And yes, I see the devices on both the Pi and the Mac