I received an answer from the developer on Github. Turns out, there are two different RTL apps. I was looking at RTL (Core Lightning), but should have been using the other RTL app to view my LND node. Problem solved.
RESPONSE FROM THE DEVELOPER:
There are two separate lightning nodes running on your Umbrel:
- LND
- Core Lightning
The node pubkey you see on Umbrel and Thunderhub is your LND node. There are actually two different RTLs available on your Umbrel App Store, RTL (Core Lightning) and RTL. If you install and access RTL you would be able to view your LND node information.
Regarding the Alias for core lightning, that is automatically created by core lightning when it instantiates. You can change it via the core lightning
config
file, but that would require you to access your umbrel via a ssh terminal. If you’re not comfortable with operating a command line terminal and do not know your way around a ssh terminal, I would not recommend doing that. Also, I am not sure where or how core lightningconfig
can be accessed on umbrel and that question is best addressed to umbrel support.Regarding the config file error, that again is a question best addressed to the umbrel team, as they need to fix the RTL configuration for core lightning. The core lightning
config
file path has to be correctly configured inRTL-Config.json
to make this error go away.Hope this helps. Thanks.