Question about paravirtualisation support and about linux-virtual

[Tapas Mishra]

On Mon, Oct 18, 2010 at 7:19 PM, Ioannis Vranos
<cppdeveloper at ontelecoms.gr> wrote:
> On Mon, 2010-10-18 at 14:40 +0100, Liam Proven wrote:
>> On 18 October 2010 14:23, Ioannis Vranos <cppdeveloper at ontelecoms.gr> wrote:
>> > Hi all,
>> >
>> > I have 2 questions.
>> >
>> > 1. Does anyone know if there is VMware paravirtualisation support in
>> > recent Ubuntu releases?
>> >
>> >
>> > 2. Also in Synaptic, there are available linux images in the style:
>> >
>> > linux-image-2.6.32-23-virtual
>> >
>> > with the description:
>> >
>> >
>> > Linux kernel image for version 2.6.32 on x86/x86_64
>> >
>> > This package contains the Linux kernel image for version 2.6.32 on
>> > x86/x86_64.
>> >
>> > Also includes the corresponding System.map file, the modules built by
>> > the
>> > packager, and scripts that try to ensure that the system is not left in
>> > an
>> > unbootable state after an update.
>> >
>> > Supports Virtual processors.
>> >
>> > Geared toward virtual machine guests.
>> >
>> > You likely do not want to install this package directly. Instead,
>> > install
>> > the linux-virtual meta-package, which will ensure that upgrades work
>> > correctly, and that supporting packages are also installed.
>> >
>> > Canonical provides critical updates for linux-image-2.6.32-23-virtual
>> > until October 2011.
>> >
>> >
>> >
>> >
>> > and the metapackage linux-virtual has the following description:
>> >
>> >
>> > Complete Linux kernel for virtual machines
>> >
>> > This package will always depend on the latest complete Linux kernel
>> > available
>> > for virtual machines.
>> >
>> >
>> > Are these about paravirtualisation support, and does this support
>> > include VMware?
>>
>> Paravirtualisation is a method of running an OS for a non
>> Popek-and-Golderberg instruction set under a hypervisor. It modifies
>> the guest OS so that it does not use any privileged instructions
>> needed by the host OS.
>>
>> In practice, this means that these are kernels for Xen VMs running on
>> host hardware that does not support Intel or AMD hardware
>> virtualisation.
>>
>> It's nothing to do with VMware at all.
>
>
> Thank you for your answer, however why Xen isn't mentioned then? There
> is not Xen virtualisation only.
>
> There are KMS, VirtualBox, VMware, and others too.
>
> How do you know it is only for Xen?
>
>
>
> --
> Ioannis Vranos
>
> http://www.cpp-software.net
>
>
>
>
Ionnais check this link
http://virt-tools.org/learning/start-conventions/