How to set up a Deluge Server

Notes for myself, in case I need it again:

https://sbcguides.com/install-deluge-on-raspberry-pi/

https://www.howtogeek.com/142044/how-to-turn-a-raspberry-pi-into-an-always-on-bittorrent-box/

https://forum.deluge-torrent.org/viewtopic.php?t=55339

https://forum.deluge-torrent.org/viewtopic.php?f=9&t=42887

https://github.com/ratanakvlun/deluge-ltconfig/releases