RE: [Xen-users] Xen Console

[Emil Tan <efundaism@xxxxxxxxx>]

Mmm... Okay, so I suppose to have a GUI to play around with the DomU, it's
always making use of 3rd party application...

There's one thing that have been puzzling me for the past few days... Xen is
using QEMU, within the source it have something that emulates the user
interface, and interrupt handling... Won't there thus be something like
VMware provides? Why are we still using those 3rd party application? 


Nathan Eisenberg wrote:
> 
> Actually, the best platform is to use the same mechanisms you would use to
> regularly access a server.  If you must have a gui, you can remotely
> connect to XServer, or you can install VNC into the domU.
> 
> Thank You,
> Nathan Eisenberg
> Sr. Systems Administrator
> Atlas Networks, LLC
> 
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Emil Tan
> Sent: Monday, June 29, 2009 7:42 PM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] Xen Console
> 
> 
> Hi,
> 
> Thanks for the reply. 
> 
> So to sum it up, to play around with Xen it's either using SDL or VNC. Due
> to security issue, VNC is not recommended, SDL is a better console
> platform?
> 
> Regards,
> Tan
> 
> 
> Nathan Eisenberg wrote:
>> 
>> 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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>> 
>> 
>> 
>> 
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> 
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