Enter using SSH into your node and edit lnd.conf

Add these 4 lines at the bottom:

[wtclient]
wtclient.active=true
[watchtower]
watchtower.active=true

save & close the lnd.conf file (CTRL+X) run docker-compose restart lnd At this point, your node is running the client & server.

To get your WTClient address run this:

To add some else's node to you, have them run that command above (on an umbrel) and get the "uris" value, and you run this on your umbrel:

'docker exec -it lnd lncli wtclient add'

(and before you press return, add their "uris" value. it should look like this:

Here is a list of altruistic nodes that offer WT services for your node: https://github.com/openoms/lightning-node-management/issues/4