Set up the Guardfile configuration by running Guard init live reload. If you run into errors at this point, you can just add the example live reload block to your Guardfile
How to Set Up Sass Live Reloading in Rails Using Style Injection
Zachary Berkompas

I cannot understand what command to execute. Can you put the actual command in a block tag?

Show your support

Clapping shows how much you appreciated Steven Natera’s story.