PaulDotCom mailing list archives

best way to run graphical BT4 from a server


From: carlos_perez at darkoperator.com (Carlos Perez)
Date: Tue, 28 Jul 2009 09:03:19 -0400

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 <dale at puredistortion.com>  
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  
<russo091 at gmail.com> 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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