Already follow from this dev document this
1.npm install -g grunt-cli
2.Rename 3 files - package.json.sample into package.json - Gruntfile.js.sample into Gruntfile.js - grunt-config.json.sample into grunt-config.json
3.cd your_Magento_instance_directory npm install npm update
4.adding themes in dev/tools/grunt/configs themes.js
default: {
area: 'frontend',
name: 'Tutor/default',
locale: 'en_US',
files: [
'css/styles-m',
'css/styles-l'
],
dsl: 'less'
}
however Im using linux ubuntu 16.0, Im running command grunt in magento root folder
Loading "Gruntfile.js" tasks...ERROR
Error: Cannot find module '/home/user/www/tutor/dev/tools/grunt/configs/local-themes' Warning: Task "default" not found. Use --force to continue.
Aborted due to warnings.
anybody know about this error.
Thanks