[ovs-discuss] Ovs controller missing

[Rucha Abhyankar]

Hello,I have installed openvswitch 2.1.0 on ubuntu 13. It is successfully installed and working.
But after# ps -ea | grep ovs
Output is:
  782 ?        00:00:00 ovsdb-server
  799 ?        00:00:00 ovs-vswitchd
Controller is not seen in the output.
When I try to install controller separately, it gives an error.
#sudo apt-get install openvswitch-switch openvswitch-controller

I have attached screenshot of the output.
 How can I rectify the problem. 

Thanks in advanceRucha
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