title: connect to a play-with-docker instance via putty
body: <p>i'm trying to connect via putty to a play with docker instance <a href="https://labs.play-with-docker.com/" rel="noreferrer">https://labs.play-with-docker.com/</a></p>
  
  <p>i've tried:</p>
  
  <p><code>ip172-18-0-21-bgnsch0v0j3g00931g9g@direct.labs.play-with-docker.com   port 22</code></p>
  
  <p>ERROR: disconnected: No supported authentication methods available (server sent: publickey)</p>
  
  <p><code>172-18-0-21-bgnsch0v0j3g00931g9g@direct.labs.play-with-docker.com     port 22</code>
  ERROR: disconnected: No supported authentication methods available (server sent: publickey)</p>
  
  <pre><code>ip172-18-0-21-bgnsch0v0j3g00931g9g@direct.labs.play-with-docker.com   port 1020
  </code></pre>
  
  <p>ERROR: nothing/black terminal --> timeout</p>
  
  <p><code>172-18-0-21-bgnsch0v0j3g00931g9g@direct.labs.play-with-docker.com     port 1020</code> </p>
  
  <p>ERROR: 
  nothing/black terminal --> timeout</p>
  
  <p>i followed this article: <a href="https://medium.com/@marcosnils/pwd-ssh-c12080ea11d1" rel="noreferrer">https://medium.com/@marcosnils/pwd-ssh-c12080ea11d1</a></p>
  
  <p>I'm not so good with putty and ssh in general,
  do i need to set some other options in putty or i'm doing somethi wrong?<br>
  No Keys to set with this service?</p>