utreexod

utreexo/utreexod: A fully validating Bitcoin node with Utreexo support

utreexod is folk of btcd.

btcsuite/btcd: An alternative full node bitcoin implementation written in Go (golang)

Error creating a default config file on cli exec.

This is because btcd try to create default config file for cli based on btcd config file. And can't find btcd config file. If conf is not in default location, this error occur. To bypass this, create empty config for cli.