Xen users - Jul 2009 - Re: First XEN install: Installing XEN in virtual machine? &Remote GUI for XEN? & etc.

1) No, not necessarily.  Many VM systems (Parallels, VMware, even XEN HVMs)
emulate Ring 0 access for the operating system running on top of it, so there
isn''t any reason for direct hardware access.  However, you really
should grab some older or cheaper hardware and install Xen directly on the
hardware - it will be very, very slow running inside parallels.

2) There really isn''t much point to this - if you''re going to
be trying out the GUI tools, you really need Xen running.  Furthermore, most of
the tools look for Xen to be running on the system and attempt to communicate
with it upon startup, so you probably won''t get very far.

3) Not sure what you''re asking here, but you should be able to install
the Xen kernel and management tools and not install X, Gnome, KDE, etc.  Of
course, if you eliminate X from your install, this may also prevent you from
running some of the GUI-based management tools.

-Nick
>>> On 2009/07/28 at 11:35, Sanjay Arora
<sanjay.k.arora@gmail.com> wrote:

I am installing my first XEN based Centos 5.x machine. I want to
manage it from my laptop, which is a Macbook, running a vitual Centos
5 under Parallels. I selected Convirture (www.convirture.com) as my
GUI based mgmt tool but I see that it installs a XEN based kernel as
part of its dependencies.

1. I assume that a XEN kernel would require hardware interaction and
so would not run in a virtualized environment like Parallels. Am I
correct?
2. If so, can someone suggest a GUI based tools that does not require
xen to be installed on the machine managing XEN servers on the
network, so that I can use my virtualized Linux on the Macbook.
3. How do I install a non-GUI based XEN server that can run Linux
Desktop in virtual mode, in addition to other machines? I mean Dom0
should be minimal possible.

Please advise asap, so I can install my first XEN ;-)

With best regards and thanks in advance.
Sanjay.




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On Wed, Jul 29, 2009 at 12:54 AM, Nick Couchman<Nick.Couchman@seakr.com>
wrote:
> 1) No, not necessarily.  Many VM systems (Parallels, VMware, even XEN HVMs)
> emulate Ring 0 access for the operating system running on top of it, so
> there isn''t any reason for direct hardware access.  However, you
really
> should grab some older or cheaper hardware and install Xen directly on the
> hardware - it will be very, very slow running inside parallels.
>
Actually I don''t want to run xen inside Parallels. I wanted to run
convirture, a GUI based XEN management tool, in a virtual linux
install inside Parallels on Mac. Convirture requires the XEN kernel to
be installed, so I wondered if it could be installed in a virtual
Linux install.
> 2) There really isn''t much point to this - if you''re
going to be trying out
> the GUI tools, you really need Xen running.  Furthermore, most of the tools
> look for Xen to be running on the system and attempt to communicate with it
> upon startup, so you probably won''t get very far.
>
I want the GUI XEN tool on my laptop/rather Macbook with virtual Linux
installed. The actual Servers to be managed are in my office. I want
to be able to connect to my office from wherever I am & be able to use
the GUI based XEN management tools. There is no XEN to be managed on
my laptop. Here I use Parallels. I think VMware & Parallels are the
only Mac Virtualization tools & I didn''t like VMware trial.
> 3) Not sure what you''re asking here, but you should be able to
install the
> Xen kernel and management tools and not install X, Gnome, KDE, etc.  Of
> course, if you eliminate X from your install, this may also prevent you
from
> running some of the GUI-based management tools.
>
What I mean here that I want dom0 on the XEN machine to be
minimalistic. Just be able to run virtual OSs and nothing else....no
apps i.e. For everything else, I will run a domU virtual server. One
for Desktop, one for mail server & so on. If I install a lot of
services on the dom0, it will be a victim to user error, wrong
configurations & of course the exploits on the apps running in dom0.
All I mean is that I want a minimal xen dom0 install that can have a
virtual linux desktop in domU.

Hope this clarifies what I wanted to ask. Please advise.

Regards & Thanks.
Sanjay.
> -Nick
>
>>>> On 2009/07/28 at 11:35, Sanjay Arora
<sanjay.k.arora@gmail.com> wrote:
>
> I am installing my first XEN based Centos 5.x machine. I want to
> manage it from my laptop, which is a Macbook, running a vitual Centos
> 5 under Parallels. I selected Convirture (www.convirture.com) as my
> GUI based mgmt tool but I see that it installs a XEN based kernel as
> part of its dependencies.
>
> 1. I assume that a XEN kernel would require hardware interaction and
> so would not run in a virtualized environment like Parallels. Am I
> correct?
> 2. If so, can someone suggest a GUI based tools that does not require
> xen to be installed on the machine managing XEN servers on the
> network, so that I can use my virtualized Linux on the Macbook.
> 3. How do I install a non-GUI based XEN server that can run Linux
> Desktop in virtual mode, in addition to other machines? I mean Dom0
> should be minimal possible.
>
> Please advise asap, so I can install my first XEN ;-)
>
> With best regards and thanks in advance.
> Sanjay.
>
>
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> <br><hr>
> This e-mail may contain confidential and privileged material for the sole
> use of the intended recipient. If this email is not intended for you, or
you
> are not responsible for the delivery of this message to the intended
> recipient, please note that this message may contain SEAKR Engineering
> (SEAKR) Privileged/Proprietary Information. In such a case, you are
strictly
> prohibited from downloading, photocopying, distributing or otherwise using
> this message, its contents or attachments in any way. If you have received
> this message in error, please notify us immediately by replying to this
> e-mail and delete the message from your mailbox. Information contained in
> this message that does not relate to the business of SEAKR is neither
> endorsed by nor attributable to SEAKR.


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