title: How to launch IPython kernel in Jupyter?
body: <p>I have both <code>Jupyter</code> and <code>IPython</code> installed on my Mac OSX El Capitan.</p>
  
  <p>But, for some reason when I launch <code>Jupyter</code>, I'm not able to start any <code>ipython</code> kernels in notebook.</p>
  
  <p>I think that <code>ipython</code> is installed because I can see it when I do <code>which ipython</code>: <code>/Library/Frameworks/Python.framework/Versions/3.5/bin/ipython</code></p>
  
  <p>And, when I do <code>which jupyter</code> I see the following:  <code>/Library/Frameworks/Python.framework/Versions/2.7/bin/jupyter</code></p>
  
  <p>When I launch <code>jupyter notebook</code> in the terminal, I'm able to open the <code>ipynb</code> file, but then I see this at the top:</p>
  
  <p><a href="https://i.stack.imgur.com/J3hic.png" rel="nofollow noreferrer">IPython kernel "None not found"?</a> (I can't embed images without sufficient reputation, so please click it).</p>
  
  <p>...which is kind of strange because:</p>
  
  <ul>
  <li><p>1) it's a double negative</p></li>
  <li><p>2) I already have IPython installed, so I don't know why it can't start the kernel (that's what this question says to try: <a href="https://stackoverflow.com/questions/34851801/jupyter-cant-create-new-notebook">Jupyter: can&#39;t create new notebook?</a>)</p></li>
  </ul>
  
  <p>Also, when I click the <code>New</code> button at the top, it does not show "notebook" under the options.  It only shows "Text File", "Folder", "Terminal":</p>
  
  <p><a href="https://i.stack.imgur.com/VWdr6.png" rel="nofollow noreferrer">"New" dropdown menu</a></p>