How to Install RHQ on CentOS 6.5
Install PosgreSQL 3.1.1. Type ‘yum install postgresql*’ making sure to include the asterisk (*) 3.1.2. Type ‘y’ when prompted (happens twice) Confirm java version 4.1. Type ‘java –version’ 4.2. Confirm it’s running at least 1.6 and using OpenJDK (or Oracle/Sun Java or JRockit, but NOT GNU Libgcj)