Patch Management for ESX Server 3.0
Patch Management for ESX Server 3.5
Autopatching ESX host
Patching and updating Vmware ESX Server 3 (VMworld 2006)
Auto-patch Script
VMTS Patch Manager
Determining Detailed Build Number Information for VMware ESX Server 3.5 and ESX Server 3.0.x Hosts
How to update your ESX Server using esxupdate
The Art of Patching your Virtual Infrastructure (Part 1)
Best Practices for Patching VMware ESX/ESXi
Managing Patches and Updates for Hosts and VMs (VMworld 2007)
VMware ESX Server 3 Patch Management (VMworld 2007)
Strategies for ESX Server Update Management (VMworld 2007)