title: SSH error when executing a remote command: "stdin: is not a tty"
body: <p>I'm trying to connect to machine one with ssh and then connect to another machine two with ssh. But get this error:</p>
  
  <pre><code>ssh user@computerone.com 'ssh otheruser@computertwo.com'
  
  stdin: is not a tty
  </code></pre>