Edit the Core Lightning CLN RTL config file

Bitcoin and Lightning
1

I get this error when trying to do it through CLN RTL.

Also, I tried editing RTL-config.json here… umbrel/app-data/core-lightning-rtl/data/rtl via SSH.

BUT I ended up wiping my node!, so don’t do that! Bottom line, I just want to be able to change my alias and also, enable bolt12 offers and I need to edit the config file.

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2

Hi, did you already find the path to the config file? Also run into the same problem.

4

I’m having this issue too. Have you found a fix?

5

You need to create a config file via ssh. Access via ssh and then:

sudo nano ~/umbrel/app-data/core-lightning/data/lightningd/bitcoin/config

Put whatever config settings you want in there and then save.

Then restart CLN:

sudo ~/umbrel/scripts/app restart core-lightning

Create a backup of your config file in the same folder in case config gets deleted after an update.