Você pode criar um torrent. Retirado desta resposta .
A transmissão pode criar um torrent:
sudo apt-get install transmission-cli
transmission-create --help Usage: transmission-create [options] <file|directory> Options: -h --help Display this help page and exit -p --private Only use this torrent with the specified tracker(s) -o --outfile <file> Save the generated .torrent to this filename -c --comment <comment> Add a comment -t --tracker <url> Add a tracker's announce URL -V --version Show version number and exit