As to the participants spawning software agents, they must make explicit where the auction house is by hand. That is simply achieved by executing
java prepareConnectionTo aucitonHouseHost auctionHousePort
where auctionHouseHost and auctionHousePort stand respectively for the host and port where the auction house server is said to be running. After this, the remote participants are requested to start their agents by hand.
As to human participants, each one of them must execute
java Buyer -machine auctionHouseHost -port auctionHousePort -buyerId myLogin -trace [on|off] -credit [myCredit]in order to obtain the GUI that allows a human buyer to interact with the auction house as seen in Section of Chapter .