title: How to use globally installed gulp modules?
body: <p>I tried <a href="https://jeffshamley.com/blogs/compiling-less-files-gulpjs" rel="nofollow">this tutorial</a> to basically setup my gulp project and activate less processing and watching. It works. Now I'd like to install the modules globally, in order to acces them from everywhery on the machine and not to installa them for every project:</p>
  
  <pre><code>npm install --global gulp-less
  npm install --global gulp-watch
  npm install --global gulp-autoprefixer
  npm install --global gulp-plumber
  </code></pre>
  
  <p>Now I want to run gulp in my project folder, but gulp cannot find the globally installed modules:</p>
  
  <pre><code>$ cd /my/project
  $ gulp
  module.js:327
      throw err;
      ^
  
  Error: Cannot find module 'gulp-less'
      at Function.Module._resolveFilename (module.js:325:15)
      at Function.Module._load (module.js:276:25)
      at Module.require (module.js:353:17)
      at require (internal/module.js:12:17)
      at Object.&lt;anonymous&gt; (/root/temp/gulptest/gulpfile.js:9:12)
      at Module._compile (module.js:409:26)
      at Object.Module._extensions..js (module.js:416:10)
      at Module.load (module.js:343:32)
      at Function.Module._load (module.js:300:12)
      at Module.require (module.js:353:17)
      at require (internal/module.js:12:17)
  </code></pre>
  
  <p>How to get it working and use global gulp modules?</p>