This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
There are a few different options, depending on what you want to accomplish. Have a look at Remote JMX for managing individual Java process across the network. On Windows, you could try accessing WMI via a Java-COM bridge like Jacob, which would be... challenging.