npm install error when following Angular2 5 min quickstart
<p>I get an error when following the Angular2 5 min quick start. How can I get past it?</p>

<pre><code>vagrant@vagrant-ubuntu-trusty-64:/vagrant/angular2-tutorial$ sudo npm install   angular2-quickstart@1.0.0 /vagrant/angular2-tutorial
└── foxy@11.1.4  extraneous

npm WARN optional Skipping failed optional dependency /chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture: fsevents@1.0.6
npm WARN angular2-quickstart@1.0.0 No description
npm WARN angular2-quickstart@1.0.0 No repository field.
npm ERR! Linux 3.13.0-74-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/local/bin/npm" "install"
npm ERR! node v5.4.0
npm ERR! npm  v3.5.2
npm ERR! path /vagrant/angular2-tutorial/node_modules/.staging/lodash-496d43d7
npm ERR! code EPERM
npm ERR! errno -1
npm ERR! syscall rename

npm ERR! Error: EPERM: operation not permitted, rename '/vagrant/angular2-tutorial/node_modules/.staging/lodash-496d43d7' -&gt; '/vagrant/angular2-tutorial/node_modules/browser-sync/node_modules/lodash'
npm ERR!     at destStatted (/usr/local/lib/node_modules/npm/lib/install/action/finalize.js:25:7)
npm ERR!     at FSReqWrap.oncomplete (fs.js:82:15)
npm ERR!
npm ERR! Error: EPERM: operation not permitted, rename '/vagrant/angular2-tutorial/node_modules/.staging/lodash-496d43d7' -&gt; '/vagrant/angular2-tutorial/node_modules/browser-sync/node_modules/lodash'
npm ERR!     at Error (native)
npm ERR!  { [Error: EPERM: operation not permitted, rename '/vagrant/angular2-tutorial/node_modules/.staging/lodash-496d43d7' -&gt; '/vagrant/angular2-tutorial/node_modules/browser-sync/node_modules/lodash'] parent: 'browser-sync' }
npm ERR!
npm ERR! Please try running this command again as root/Administrator.
npm ERR! Linux 3.13.0-74-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/local/bin/npm" "install"
npm ERR! node v5.4.0
npm ERR! npm  v3.5.2
npm ERR! path npm-debug.log.727051537
npm ERR! code ETXTBSY
npm ERR! errno -26
npm ERR! syscall rename

npm ERR! ETXTBSY: text file is busy, rename 'npm-debug.log.727051537' -&gt; 'npm-debug.log'
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR!     &lt;https://github.com/npm/npm/issues&gt;

npm ERR! Please include the following file with any support request:
npm ERR!     /vagrant/angular2-tutorial/npm-debug.log
</code></pre>

<p>Here is the error log:
<a href="https://www.dropbox.com/s/xr6ha3z4re0npvi/npm-debug.log.727051537?dl=0" rel="nofollow">https://www.dropbox.com/s/xr6ha3z4re0npvi/npm-debug.log.727051537?dl=0</a></p>