Category Archives: Virtualisation

All about virtualisation. VirtualBox, VMware Workstation, ESXi and vCenter, qemu

VirtualBox

VirtualBox: Boot from USB

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Hi,

Virtualbox allows to boot from USB. But this feature isn’t exposed to the GUI.

Lets start. First of all determine the physical disk. Open Powershell and query the disks by WMI

PS D:\> Get-WmiObject -Query "Select * from Win32_DiskDrive"

Partitions : 3
DeviceID   : \\.\PHYSICALDRIVE0
Model      : Samsung SSD 850 PRO 512G
Size       : 512105932800
Caption    : Samsung SSD 850 PRO 512G

Partitions : 1
DeviceID   : \\.\PHYSICALDRIVE2
Model      : Generic USB CF Reader USB Device
Size       : 4030387200
Caption    : Generic USB CF Reader USB Device

Continue reading VirtualBox: Boot from USB →

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VMware

VMware vSphere: Cannot register a virtual machine in inventory: A virtual machine or template having the same name is already registered

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Hi,

a customer had the problem that a virtual machine is shown as invalid or orphaned. After removing from inventory (not from disk) he couldn’t register the vm again: “A virtual machine or template having the same name is already registered”

This could have multiple causes:
Continue reading VMware vSphere: Cannot register a virtual machine in inventory: A virtual machine or template having the same name is already registered →

Powershell, VMware

VMware: Generate an URL for a VM Console Session

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Hi,

with PowerCli it is simply possible to generate an direct Link to accessing a VM’s Console without clicking through the whole vSphere Tree.

The anatomy of the URL is
https://%vCenterFQDN%:9443/vsphere-client/vmrc/vmrc.jsp?vm=urn:vmomi:VirtualMachine:%MoRef%:%vCenterUUID%
Continue reading VMware: Generate an URL for a VM Console Session →

Hyper-V, VMware

Hyper-V: Convert a VMware Virtual Machine files to Hyper-V

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Hi,

this post describes how to convert VMware vmdk files to Hyper-V’s vhdx format.

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VMware, Windows knowhow

VMware: Execute scripts by Invoke-VMScript as Administrator

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Hi,

this post addresses the issue that, when Windows UAC is enabled, you could not execute scripts with elevated Administrator permissions by PowerCli’s Invoke-VMScript. In my opinion when I execute scripts on VMs in more then 80% of these cases I need elevated user rights.
Continue reading VMware: Execute scripts by Invoke-VMScript as Administrator →