title: ipython notebook can't open web browser
body: <p>system:CentOS release 6.4 (Final)</p>
  
  <p>python: 2.7.11</p>
  
  <p>ipython:IPython 4.2.0</p>
  
  <p>jupyter : 4.1.0</p>
  
  <p>I tried to run IPython notebook. But after typing the command "ipython notebook", i found it didn't open the web browser, whereas still staying on the Linux like the picture below showing:
  <a href="http://i.stack.imgur.com/AdNDi.png" rel="nofollow">enter image description here</a></p>