[CentOS-virt] kernel-plus PXE virt-install with Xen?

Wed Oct 11 11:17:29 UTC 2017
PJ Welsh <pjwelsh at gmail.com>

Thanks! I starting the process now. I'll let you know how it goes.
pjwelsh

On Tue, Oct 10, 2017 at 2:32 PM, Johnny Hughes <johnny at centos.org> wrote:

> On 10/10/2017 01:46 PM, PJ Welsh wrote:
> > I'm trying to figure out how to replace the vmlinuz and initrd.img from
> > CentOS 7.4 with "fixed" kernel-plus versions in order create CentOS 7.4
> > VM's. So far I'm stuck booting via 7.3 install, adding new kernel-plus
> > and upgrading to 7.4. I've not found any complete Google answers and was
> > looking for help making sure I choose the correct approach.
> >
> > I've tried to build an initrd.img from a kernel-plus booting system via
> > "mkinitrd -f -v /boot/initrd.img $(uname -r)", but the file size is less
> > than half the one from CentOS 7.4 (17MB -vs- 47MB). I'm not even sure I
> > can just replace those files yet either.
> >
> > Any help going the correct path?
>
> I have not had time to do this yet .. BUT .. you can edit the lorax
> template to to use kernel-plus instead of kernel (and new repodata)..
> then rerun lorax to get a bootable tree and boot.iso
>
> You would then need a tree with the new kernel-plus* packages instead of
> the kernel-* packages
>
> This bug kind of explains the process:
>
> https://bugs.centos.org/view.php?id=13763
>
> (look for lorax in the bug)
>
> I do want to create a process and tree somewhere for this (likely on
> buildlogs.centos.org).  Sometime soon after I finish the i386 distro
> release (hopefully that is this week .. next week for some kind of
> bootable x86_64 Xen PV solution).
>
> The good news is, the 7.5 RHEL kernel Source RPMs should have Kevin's
> patch in it and it should work as released on Xen PV.
>
>
>
>
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>
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