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xen-users
Re: [Xen-users] newbie question
On Mon, Oct 17, 2011 at 6:12 PM, Simon Hobson <linux@xxxxxxxxxxxxxxxx> wrote:
> bofh wrote:
>
>> 1) In debian, what is the best/native way to create/configure domUs?
>> xen-utils-4.1? xen-tools?
>
> These days I do it manually. debootstrap to create an initial image, but
> then I just clone that to make new guests.
OK, debootstrap... OK means cp everything? I can do that.
>> 2) Is there really no easier way to set up networking? I want to set
>> up 2 private, non-routed networks, and one natted network, and one
>> bridged network. The natted and bridged interface should be on the
>> physical eth0, the private ones should not be on eth0
>
> Hard to answer when you don't say what the comparison is with !
> Just don't use any Xen network-script and create the bridges with the native
> tools. Creating bridges is a doddle in Debian these days.
I want to create my VMs to use one (or more) of the four interfaces
a) non-routed self contained class C (192.168.100.0/24)
b) non-routed self contained class C (192.168.200.0/24)
c) natted interface to eth0 (so that I can "hide" behind a NAT)
d) bridged interface to eth0 (so that I can pick up a live IP off the wire)
So d) sounds like I just create a bridge, and point my VMs to the
bridge. OK, easy enough.
>> 6) I have 16Gigs of ram, should I really limit dom0's ram to 2G or
>> 4G?
>
> Probably less. Apparently various tables are sized at boot time according to
> total RAM. So limiting RAM to what is actually needed results in these
> tables being sized accordingly. Besides, it avoids resizing Dom0 memory
> every time you start/stop a guest.
Since this is my laptop, I'm thinking of using dom0 for my primary
desktop too :P :P :P :P
> PS - BOFH ? Surely an imposter.
Hmm, what was your email address again?
--
http://www.glumbert.com/media/shift
http://www.youtube.com/watch?v=tGvHNNOLnCk
"This officer's men seem to follow him merely out of idle curiosity."
-- Sandhurst officer cadet evaluation.
"Securing an environment of Windows platforms from abuse - external or
internal - is akin to trying to install sprinklers in a fireworks
factory where smoking on the job is permitted." -- Gene Spafford
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