[Koha] Installing koha 3.00.00 in ubuntu 8.10

Hi friends, i have succesfully installed koha-3.00.00 in ubuntu-8.10 by reading the manual from the site www.blazingmoon.org. it has sucessful installed koha3.00.00, that is opac,intranet,staff client,cpan modules. but my problem is Yaz is not there and my doubt is 1. whether yaz will not be installed through the steps which i have followed using blazzingmoon , 2. or we do not need Yaz while installing koha3.00.00 in ubuntu8.10 . 3.if yaz is necessary what shall i do for that (i.e) how shall i install Yaz please tell me and once again thank you for those who helped me to install koha-3.00.00 in ubuntu 8.10 -- WITH BEST WISHES ARUNKUMAR.P