title: Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
body: <p>What might be causing the error <code>Error: EACCES: permission denied, access '/usr/local/lib/node_modules'</code>?</p>
  
  <pre><code>npm ERR! path /usr/local/lib/node_modules
  npm ERR! code EACCES
  npm ERR! errno -13
  npm ERR! syscall access
  npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
  npm ERR!  { Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
  npm ERR!   errno: -13,
  npm ERR!   code: 'EACCES',
  npm ERR!   syscall: 'access',
  npm ERR!   path: '/usr/local/lib/node_modules' }
  npm ERR! 
  npm ERR! Please try running this command again as root/Administrator.
  
  npm ERR! A complete log of this run can be found in:
  npm ERR!     /Users/macbookmd101/.npm/_logs/2018-02-21T16_26_08_421Z-debug.log
  </code></pre>