Help in developing a Network Appliation to monitor pc in a network

I am developing a Network Appliation to monitor computers in a network.
Specs are

  1. App monitors the current web page viewed in each system
  2. App also can shutdown the computer in the network
  3. App can show all process run by each computer in the network

I am now confused how to start my project.
Pls guide me in my project.

What programming language are you planning to develop your monitoring application?

i havnt still decided which language , c , perl or python..

Anyway which is good in coding such an application ???