http://lainyubrp2aabmxhepbttfdbl53dct2inqifs42buvpf6w44uiitbeqd.onion/blog/matrix.html
Literally everything had to be done through cli, from user registration to moderating public rooms on the server. But now, things are a lot better. I have synapse-admin web frontend for that activities, but still, some actions have to be done manually.