Neither documentation nor the tutorial you're following mentions that you need to rename package.json.samplepackage.json.sample
and Gruntfile.js.sampleGruntfile.js.sample
to package.jsonpackage.json
and Gruntfile.jsGruntfile.js
respectively. Rename these two files and run npm installnpm install
and npm updatenpm update
.
Make sure you have grunt installed globally as stated in the documentation/tutorial. Don't forget to remove your previously installed package.jsonpackage.json
and node_modulesnode_modules
.
Please
Please read the documentation: http://devdocs.magento.com/guides/v2.0/frontend-dev-guide/css-topics/css_debug.html
grunt exec:themegrunt exec:theme
NOT grunt:execgrunt:exec