Install ESXi 4.0 to a USB Device
Below are 2 processes for installing ESXi 4.0 to a USB flash drive. A prior method for ESXi 3.5 would also work with 4.0. It uses WinImage instead of dd as shown below. If you need to embed a custom oem.tgz file into your installation. Install ESXi to a USB device with DD To run …