https://docs.redhat.com/es/documentation/red_hat_enterprise_linux/5/html/5.5_technical_notes/postgresql84
2.6. RHEA-2010:0276: postgresql84 | 5.5 Technical Notes | Red Hat Enterprise Linux | 5 | Red Hat...
2.6. RHEA-2010:0276: postgresql84 | 5.5 Technical Notes | Red Hat Enterprise Linux | 5 | Red Hat Documentation