How to install Broker on Linux box?

Hi Everyone,

While I was installing webMethods7.1 on Red Hat,I got following error when it was starting broker service on my machine.

[COLOR=Red]com.wm.installer.broker.ConfigurationException: An error occured while creating the default broker.[/color]

[SIZE=4][B]Unable to find host ‘localhost’ on the network.
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Can anyone please suggess how to resolve this type of error?

Thanks in Advance,
Istiyak Vasiwala

Done