To see this post directly from Oracle’s site see the link:
http://www.oracle.com/technetwork/pt/articles/soa/instalacao-oracle-osb-11g-oepe-2518029-ptb.html
Or just click the link below to see the post by the blog 😉
Installing Oracle Service Bus 11g – Part 1: Published on OTN
15 Wednesday Apr 2015