RE: [Xen-users] Xen Console

[Nathan Eisenberg <nathan@xxxxxxxxxxxxxxxx>]

Aside from the security issue of using the built in VNC server, there is also a 
huge performance impact because of the way that the interface operates.  Using 
a VNC server installed on the guest OS does not cause the same kind of issue.  
I highly recommend avoiding the use of the built in VNC server for anything but 
administrative tasks.

Best Regards
Nathan Eisenberg
Sr. Systems Administrator
Atlas Networks, LLC
support@xxxxxxxxxxxxxxxx
http://support.atlasnetworks.us/portal


-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Chris 'Xenon' Hanson
Sent: Tuesday, June 23, 2009 6:55 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Xen Console

Jingwei Tan wrote:
> Hi Guys,
> 1. Beside SDL, VNC, and Virt-Viewer is there any console application Xen
> uses?

  I can't think of any. What were you looking for?

> 2. Is SDL - Simple DirectMedia Layer?

  Yes. http://en.wikipedia.org/wiki/Simple_DirectMedia_Layer

> 3. When I'm using VNC, I am able to establish a VNC connection to my
> DomU without installing VNC on it. Where exactly is the VNC server and
> client? Will I be able to establish such connection remotely?

  The VNC server is built into Xen and utilizes Xen's emulated video hardware. 
The client
is wherever you are running the client. If you have Xen attach the VNC server 
to an
address that is accessible to more than just the local Xen Dom0 machine (ie, 
bind to
0.0.0.0 or another real ethernet interface instead of just 127.0.0.1) then you 
will be
able to access the VNS server from anywhere on the net you can reach that 
interface from.
Be mindful of the security issues of this.

> Tan

-- 
Chris 'Xenon' Hanson, omo sanza lettere                  Xenon AlphaPixel.com
PixelSense Landsat processing now available! http://www.alphapixel.com/demos/
"There is no Truth. There is only Perception. To Perceive is to Exist." - Xen

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