title: keep server running on EC2 instance after ssh is terminated
body: <p>Currently, I have two servers running on an <code>EC2</code> instance (<code>MongoDB</code> and <code>bottlepy</code>). Everything works when I SSHed to the instance and started those two servers. However, when I closed the SSH session (the instance is still running), I lost those two servers. Is there a way to keep the server running after logging out? I am using <code>Bitvise Tunnelier</code> on Windows 7.
  The instance I am using is Ubuntu Server 12.04.3 LTS.</p>