About a year ago I started my VMware ESXi Patch Tracker service. This is a set of automatically generated web pages that show informations about all available ESXi patches. Its primary purpose is to give you an easy way to track the patch history and get alerted about new patches once they are released. You can subscribe to it by RSS feed, E-mail and Twitter.
Recently I have added new functionality to the Patch Tracker that enables you to update your ESXi hosts in a very convenient way. Here is how: