在Amazon EC2 Linux实例上保持弹性搜索

I have elastic search running on a linux instance on Amazon EC2. I use tunnelier to connect to the instance. I'm new to EC2 and tunnelier (I'm more familiar with Windows Servers and Remote desktop). The problem is that when I disconnect the tunnelier console, my Elastic Search Server is no longer available for clients connecting to it. I would like to know how to keep the Elastic Search Server alive, serving client requests without my having to keep a tunnelier session active.I have elastic search running on a linux instan