ESXi commandline work

ESXi command line tasks which I figured I would document as they will come in handy at some point.

• List all VMs registered to this host (This reveals the Vmid needed for other commands)
  vim-cmd /vmsvc/getallvms
• Unregister a VM
  vim-cmd /vmsvc/unregister <Vmid>
• Register a VM
  vim-cmd /solo/register /path/to/file.vmx
• Get power state of a VM
  vim-cmd /vmsvc/power.getstate <Vimid>
• Power off a VM
  vim-cmd /vmsvc/power.off <Vmid>
• Power on a VM
  vim-cmd /vmsvc/power.on <Vmid>