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Re: [Xen-users] Xen on RHEL 5.1 to para-virt Ubuntu Gusty

>>>   I'm looking for any information (tutorial / howto) to run Ubuntu
>>> (Gutsy)
>>> on a RHEL 5.1 XEN (2.6.18-53.1.4.el5xen)
>>>   I tried to install the para-virt Ubuntu from a remote mounted cd-rom
>>> available by HTTP like I did to install a paravirtualized RHEL 5.1
>>> inside the RHEL Xen ;)
>> Well, there are various ways you can tackle this.
>> I typically use an HVM install (full virtualisation) of Ubuntu onto RHEL
>> initially, since this is convenient and well supported by the
>> virt-manager
>> tool.  I then convert this into a paravirtualised install if I want at a
>> later date.  This is an approach I quite like.
> Sound nice because I already have a full virtualized Ubuntu on RHEL at the
> moment. How did you switch to paravirt? Do you just install the Ubuntu Xen
> kernel and reboot?

Anyone could help me out on this question please? How switch from fullvirt
to paravirt like Mark seems to do.


>> Or, there's a tool called "debootstrap" that will create a basic debian
>> (or ubuntu) filesystem in a directory.  You can put this onto a virtual
>> disk by simply mounting the filesystem on that disk into dom0 (e.g.
>> using
>> the lomount utility from qemu, which is supplied with Xen) and then
>> running debootstap against that directory.
>> You ought to be able to chroot into that filesystem subsequently and use
>> apt-get to install a Xen-aware domU kernel and initrd.  When you're done
>> with editing the filesystem in dom0, umount it so that the guest can use
>> it safely.
>> Finally in dom0 you can create a config file to boot that virtual disk
>> and
>> use pygrub to find and load the kernel from the guest's filesystem.
>> Hopefully one of those methods will suit you!  Let us know if you need
>> more help.
>> Cheers,
>> Mark
> Allright, in a second time, I will check out the debootstrap method, I'm
> already aware about it because I tried Xen on Ubuntu'Dom0 ;) I just have
> to install debootstrap on RHEL : I will test this at the end of the week.
> Thanks & Merry christmas to everybody ;)
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