Christopher Isip wrote:
On Sun, Jul 27, 2008 at 2:27 PM, Mark Williamson
<mark.williamson@xxxxxxxxxxxx <mailto:mark.williamson@xxxxxxxxxxxx>>
wrote:
You could do a fully virtualised install using virt-manager very
easily. You
should be able covert to a PV install later, if you want.
Alternatively, you can build an ext3 filesystem for the guest
manually (inside
and image or partition). You can then use the debootstrap tool to
build a
Debian/Ubuntu filesystem inside that.
Cheers,
Mark
On Friday 25 July 2008, Rudi Ahlers wrote:
> Hi all
>
> I want to install Ubuntu (which is debian based) on top of
CentOS, but
> since it's not a nativa RH based distro, I don't know which way to
> install it. Do I install it as fully virtualized , or
paravirtualized ?
>
> What is better in this case?
--
Push Me Pull You - Distributed SCM tool
(http://www.cl.cam.ac.uk/~maw48/pmpu/
<http://www.cl.cam.ac.uk/%7Emaw48/pmpu/>)
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Here's how I created a Ubuntu domU in Centos dom0:
dd if=/dev/zero of=/vm/Ubuntu-Hardy-base.img bs=1024k count=4000
dd if=/dev/zero of=/vm/Ubuntu-Hardy-swap.img bs=1024k count=400
/sbin/mkfs.ext3 /vm/Ubuntu-Hardy-base.img
/sbin/mkfs.ext3 /vm/Ubuntu-Hardy-swap.img
/sbin/mkswap /vm/Ubuntu-Hardy-swap.img
chmod 640 /vm/Ubuntu*
mkdir /mnt/xenfs
mount -o loop /vm/Ubuntu-Hardy-base.img /mnt/xenfs
wget
ftp://ftp.muug.mb.ca/mirror/fedora/epel/5/x86_64/debootstrap-1.0.7-2.el5.noarch.rpm
rpm -Uvh debootstrap*
export PATH=$PATH"/usr/sbin":/sbin (so chroot will not fail)
/usr/sbin/debootstrap --arch i386
--include=linux-image-2.6.24-16-generic,linux-image-2.6.24-16-xen,linux-ubuntu-modules-2.6.24-16-xen,linux-image-xen,libc6-xen,grub
--components=main,universe,multiverse hardy /mnt/xenfs
http://mirror.3fl.net.au/ubuntu/
WAIT..................
chroot /mnt/xen or just make xure all edits go to /mnt/xenfs/ from
this point on:
mv /lib/tls /lib/tls.disabled
create /edit /etc/fstab
proc /proc proc defaults 0 0
/dev/hda1 / ext3 defaults,errors=remount-ro
0 1
/dev/hda2 none swap sw 0 0
# mkdir -p /boot/grub
# update-grub
edit /boot/grub/menu.lst
title Ubuntu 8.04, kernel 2.6.24-16-xen
root (hd0,0)
kernel /boot/vmlinuz-2.6.24-16-generic root=/dev/xvda1 ro
console=xvc0
initrd /boot/initrd.img-2.6.24-16-xen
title Ubuntu 8.04, kernel 2.6.24-16-xen (recovery mode)
root (hd0,0)
kernel /boot/vmlinuz-2.6.24-16-xen root=/dev/xvda1 ro single
console=xvc0
initrd /boot/initrd.img-2.6.24-16-xen
# cd /etc/event.d
# cp tty1 xvc0
# sed -i -e "s/tty1/xvc0/g" xvc0
Add xvc0 to /etc/securetty to allow root to login
# update-rc.d -f hwclockfirst remove
# update-rc.d -f hwclock remove
# rm /etc/udev/rules.d/85-hwclock.rules
Now download the updated linux-image and headers from
http://www.il.is.s.u-tokyo.ac.jp/~hiranotaka/
<http://www.il.is.s.u-tokyo.ac.jp/%7Ehiranotaka/>
and install them, otherwise no network when you boot the domU
Create our guest config file :
bootloader = '/usr/bin/pygrub'
memory = 512
name = "Ubuntu-Hardy-Base"
disk =
['file:/vm/Ubuntu-Hardy-base.img,hda1,w','file:/vm/Ubuntu-Hardy-swap.img,hda2,w']
vif = [ '' ]
Boot the domU.
Hope this helps
Chris
Hi Chris,
Your example helps a lot, but I can't complete it.
When I try and download the "updated linux-image and headers from
http://www.il.is.s.u-tokyo.ac.jp/~hiranotaka/
<http://www.il.is.s.u-tokyo.ac.jp/%7Ehiranotaka/>" - I get a 404 page
error. Is there anywhere else that I can download it from?
I also can't start the domU, I get the following error:
xm create anya
Using config file "/etc/xen/anya".
Error: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found\n')
This is the xen config file:
cat /etc/xen/anya
bootloader = '/usr/bin/pygrub'
memory = 512
name = "anya"
disk = ['phy:/dev/backup/anya,ioemu:hda1,w']
vif = [ '' ]
Can you please help?
--
Kind Regards
Rudi Ahlers
Check out my technical blog, http://blog.softdux.com for Linux or other
technical stuff
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