The Blog.
Install Hugo Version 0.89:
https://github.com/gohugoio/hugo/releases/tag/v0.89.4
Clone this repo, including submodules:
git submodule update --init --recursive
Install Firebase
npm install -g firebase-tools
First clone this repo. Then clone the forks under themes into the themes. I forget why I didn't use submodules.
Install other tools
sudo apt install xmlstarlet
go install github.com/jcgregorio/webmention/cmd/webmention-cli@latest