The summary says it all. Heiko has the write up here: http://pilhuhn.blogspot.com/2010/12/running-rhq-agent-as-root-alternatives.html
And it's in: http://documentation-stage.bne.redhat.com/docs/en-US/JBoss_Operations_Network/3.0/html/Configuring_JON_Servers_and_Agents/running-agent-nonroot.html
Updated link: http://docs.redhat.com/docs/en-US/JBoss_Operations_Network/3.1/html/Admin_Configuring_JON_Servers_and_Agents/running-agent-nonroot.html
Bulk closing of BZs that have no target version set, but which are ON_QA for more than a year and thus are in production for a long time.