Now that TPB officially supports only Magnet links, you may need to change your P2P client on Linux. The following clients support magnet links very well
- qBittorrent : to install on Ubuntu, run
$ sudo apt-get install qbittorrent
- KTorrent : to install on Kubuntu, run
$ sudo apt-get install ktorrent
- Transmission : installed by default on Ubuntu
- rTorrent : to install on Ubuntu, run
$ sudo apt-get install rtorrent