[kwlug-disc] One distro, another kernel?
ldpaniak at fourpisolutions.com
Mon Apr 12 13:57:04 EDT 2010
I'd try any/all kernel chimeras out in a (disposable) virtual machine
before trying it in real life.
Are you sure you don't just want to compile a driver module or two?
As Paul noted, I believe there have been great changes in udev since
2.6.18. I'm sure there have been plenty of other changes in the past
three/four years as well.
On Mon, 2010-04-12 at 12:47 -0400, Paul Nijjar wrote:
> On Mon, Apr 12, 2010 at 12:17:12PM -0400, Richard Weait wrote:
> > How wrong is this?
> > Could one, for example, run Ubuntu on a Centos kernel?
> In principle, yes. I can think of two strategies to try this out:
> 0. Get the CentOS kernel sources that are patched with specific CentOS
> features. Then compile that kernel on your Ubuntu box with
> kernel-package. This will give you a .deb that you can install on your
> Ubuntu machine as a "custom" kernel.
> You could keep pace with the CentOS kernel tree as much as you wanted,
> but you would need to recompile that kernel every so often.
> Of course this is not EXACTLY a CentOS kernel, but it should be
> configured pretty closely to one. Maybe that is good enough for
> government work.
> I guess you could try the "alien" utility to install the CentOS
> .rpm files directly, but that sounds like a world of pain.
> 1. As Chris suggested, you could make a CentOS chroot environment. If
> you chroot into that environment you would be running the old Ubuntu
> kernel in the CentOS directory tree. That is not a perfect solution
> but it would illustrate some things that break right away.
> If your question was the other way around I would have recommended
> running debootstrap to generate a Ubuntu chroot.
> Five seconds of intense websearching gives me "Mock" as one
> possibility and "febootstrap" as another:
> Things I would expect would break: udev stuff, RAID configurations,
> GRUB locations (especially if one system uses GRUB 2).
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