title: Failed to start Marathon in ubuntu
body: <p>After install Marathon by <code>apt-get install marathon</code>, I failed to start Marathon by <code>service marathon start</code>; the command return process id but can not retrieve it by <code>ps</code>. And I can not get log of it.</p>
  
  <p>If I run <code>/usr/bin/marathon</code>, I got following message <code>run_jar --zk zk://mesosStagingCompute9:2181/marathon --master zk://mesosStagingCompute9:2181/mesos</code>.</p>
  
  <p>Any suggestion?</p>