Having a similar issue. In my case Jessie Raspbian on RPi 1 fails as well as Jessie OSMC on RPi 2 Case 1 - RPi 1 Raspbian: Tried the method 1 via official repo: sudo sh -c 'echo "deb http://linux-packages.getsync.com/btsync/deb btsync non-free" > /etc/apt/sources.list.d/btsync.list' wget -qO - http://linux-packages.getsync.com/btsync/key.asc | sudo apt-key add - sudo apt-get update sudo apt-get install btsync Reading package lists... Done Building dependency tree Reading state in