title: appcenter-cli can't be installed (command not found)
body: <p>When I do the following, get command not found. For some reason it looks like its referencing 9.11.1 and not 10.11.0 but I'm really not sure what the problem is.</p>
  
  <pre><code>$ npm install -g appcenter-cli
  npm WARN deprecated graceful-fs@3.0.11: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js
  /usr/local/Cellar/node/9.11.1/bin/appcenter -&gt; /usr/local/Cellar/node/9.11.1/lib/node_modules/appcenter-cli/bin/appcenter.js
  + appcenter-cli@1.1.5
  updated 1 package in 11.82s
  
  $ appcenter
  -bash: appcenter: command not found
  
  $ node -v
  v10.11.0
  </code></pre>
  
  <p>I've always tried using <code>sudo</code></p>