Cannot load jupyter-notebook from terminal in Ubuntu 14.04
<p>After installing the latest version of Anaconda, and following post-installation steps, I am not able to load jupyter notebook on my system, Ubuntu 14.04.</p>

<p>I get the following error message:</p>

<pre><code>Traceback (most recent call last):
  File "./bin/jupyter-notebook", line 6, in &lt;module&gt;
    sys.exit(notebook.notebookapp.main())
  File "/home/carlos/anaconda3/lib/python3.5/site-packages/jupyter_core    /application.py", line 267, in launch_instance
return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "/home/carlos/anaconda3/lib/python3.5/site-packages/traitlets/config/application.py", line 588, in launch_instance
app.initialize(argv)
  File "&lt;decorator-gen-7&gt;", line 2, in initialize
  File "/home/carlos/anaconda3/lib/python3.5/site-packages/traitlets/config/application.py", line 74, in catch_config_error
return method(app, *args, **kwargs)
  File "/home/carlos/anaconda3/lib/python3.5/site-packages/notebook/notebookapp.py", line 1023, in initialize
self.init_webapp()
  File "/home/carlos/anaconda3/lib/python3.5/site-packages/notebook/notebookapp.py", line 882, in init_webapp
xheaders=self.trust_xheaders)
  File "/home/carlos/anaconda3/lib/python3.5/site-packages/tornado/util.py", line 221, in __new__
instance.initialize(*args, **init_kwargs)
  File "/home/carlos/anaconda3/lib/python3.5/site-packages/tornado/httpserver.py", line 155, in initialize
read_chunk_size=chunk_size)
  File "/home/carlos/anaconda3/lib/python3.5/site-packages/tornado/tcpserver.py", line 112, in __init__
self.ssl_options['certfile'])
ValueError: certfile "jupnb.pem" does not exist
</code></pre>

<p>The certfile actually exists, in the directory ~/.jupyter/</p>

<p>I haven't been lucky googling the solution. Any comments?</p>

<p>Thanks!
Carlos</p>