I have installed all the parts.When I am writing the following command-
sudo ./install.sh

Do you agree with the terms of the software license agreement? [N] Y

ERROR: Installation can not proceeed. Please fix your /etc/hosts file
to contain:

Where is the ip address of the host,
is the FULLY QUALIFIED host name, and
is the (optional) hostname-only portion
I am not getting the solution at all, please help me.