chroot breakout (was: Xen 2.0 Virtual Machine)

[Brian Densmore]

-----Original Message-----
> From: Garrett Goebel
> 
> Brian Densmore wrote: 
>> 
>>> Garrett Goebel wrote: 
>>> 
>>>> Have you tried to just chroot into another one? 
>>> For _a_ test environment, that's fine. But not for running multiple 
>>> simultaneous test environments, or giving away root accounts. 
>> 
>> Are you saying that you can't open up multiple CLIs and run chroot in 
>> as many simultaneous instances as memory and diskspace allow? 
> Sure, but instances of what? Processes not kernels. You couldn't for
> instance test the setup of a high availability cluster...
Well for high availability cluster emulation I would recommend using the
King of VMs. IBM z390/Linux. 
;')

> Chroot is fine for running services under a low privilege account 
> in a jail. It isn't a cure-all.
Very true.

> With UML I can give anyone I wish a root account on their own virtual
> Linux box...
Sounds pretty good.