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Re: [Xen-users] Is it safe to run only the XEN kernel on dom0 host?

from [Fajar A. Nugraha]

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To:	Rudi Ahlers <Rudi@xxxxxxxxxxx>
Subject:	Re: [Xen-users] Is it safe to run only the XEN kernel on dom0 host?
From:	"Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date:	Sat, 9 Jan 2010 20:51:45 +0700
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On Sat, Jan 9, 2010 at 4:10 PM, Rudi Ahlers <Rudi@xxxxxxxxxxx> wrote:
> Hi,
>
> I have an issue with my XEN servers, in that when I do a yum upgrade, it
> upgrades the kernels, and then updates the grub.conf file to boot with
> the normal Linux kernel, and not the XEN kernel - and I tend to forget
> to update the grub.conf, until I reboot and see XEN isn't running.

Simply edit /etc/default/kernel. Set DEFAULTKERNEL=kernel-xen

>
> So, is it safe to remove the normal kernel & kernel-development, and
> only run the XEN kernel?

I do it on some of my servers.

> When I want to remove kernel-headers, it wants to remove gcc as well:
> Do I really need gcc on the XEN dom0 host?

If you use dkms for some drivers, you'll need gcc. If not, it should
be safe to remove.

-- 
Fajar

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