title: Port using current bash terminal
body: <p>I am not able to fire up one ofthe docker containers using</p>
  
  <pre><code>docker-compose up
  </code></pre>
  
  <p>because bind for port 0.0.0.0:8081 is already allocated.</p>
  
  <p>figuring what it is </p>
  
  <pre><code>ps -ef | grep :8081
  </code></pre>
  
  <p>gives </p>
  
  <pre><code>info     21840 21758  0 21:04 pts/2    00:00:00 grep --color=auto :8081
  </code></pre>
  
  <p>and killing it shuts down the current bash terminal.
   whats going on? I dont want that port to be used? And how is it linked to any current bash terminal?</p>