Use the forum search feature, magnifying glass icon upper right. There are a number of past discussions on torrenting and the My Cloud…
http://community.wd.com/search?q=torrent%20category%3A105
Here are some examples. First gen v4.x single bay My Cloud:
http://community.wd.com/t/app-transmission-various-versions-for-firmware-v4-03-2016/93424
http://community.wd.com/t/clean-os-debian-openmediavault-and-other-firmwares/93714/
For second gen v2.x single bay My Cloud:
http://community.wd.com/t/wd-mycloud-gen2-chroot-transmission-and-minidlna/148686/
http://community.wd.com/t/wd-mycloud-gen2-enable-apps-install-tab-apps/177885
