Why not use Vmware ESXi of the hardware supports it or use Citrix Xen
Enterprise whichbis also free since a couple of months ago
Sent from my Mobile Phone
On Jul 28, 2009, at 6:55 AM, Dale Stirling <[email protected]>
wrote:
> I think this has been a bit understated in the current discussion,
namely the main
> advantage of Xen, the paravirtualization. Xen really is a server
solution where virtualbox > is a desktop solution.
Yes you could run Backtrack in para virtulisation and you get near
bare metal performance, but you will need to find/build a xen-kernel
for the DomU that has all of the modules/drivers that back track
requires.
I run Xen on RHEL5 and Centos servers at home and in production with
paravirtual DomU's with out issue, but these are built from the
Centos/RHEL ISO images. The GTK Virtual Machine Manager works really
well for building new DomU's
Dale
On Tue, Jul 28, 2009 at 5:31 PM, Dmitry Nedospasov
<[email protected]> wrote:
On Jul 28, 2009, at 06:12 , Dale Stirling wrote:
Xen will work for full virtulisation and run Backtrack (haven't
tested).
I think this has been a bit understated in the current discussion,
namely the main advantage of Xen, the paravirtualization. Xen really
is a server solution where virtualbox is a desktop solution.
What does paravirtualization mean? Well, I run Xen with a not
noticeable performance hit on my atom subnotebook (Lenovo S10e),
where virtualbox doesn't run nearly as smoothly.
Unfortunately, at least from my experience, Xen also has a much
steeper learning curve than virtualbox, which starting with 2.0
really is as simple as clicking through some menus. It might help
asking around in ##xen on freenode when you're starting, the guys
there are extremely helpful.
I think if you have the time its definately worth trying out Xen
because its really a great tool, especially since it supports almost
all hardware supported by the linux kernel, whereas something like
ESXi limits you much more in terms of hardware.
Xen delivers it Graphical interface over VNC. though you can set up
TLS support for these connections.
Although i have used Xen to install an Ubuntu domU in hvm for
example, when i moved the hvm to paravirt (since the 9.04 kernel
supports it it was as simple as changing hvm to pygrub) it broke vnc.
I ended up just setting up vnc on the domu, accepting connections
only from the localhost, and connecting to it over an ssh tunnel,
although I'd be curious to here if the guys on the list have a
better solution.
This was on Debian Lenny, btw, running the xen-hypervisor and xen
linux-image from the debian stable repositories. Its too much of a
hassle for me to compile a custom Xen kernel.
Anyway, just my thoughts, hope it was some good food for thought.
D.
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