Re: [Xen-users] Installing CentOS as DomU on Debian Lenny (dom0) Xen

[Tapas Mishra <mightydreams@xxxxxxxxx>]

Thanks.

On Sat, May 15, 2010 at 10:20 PM, Mark Pryor <tlviewer@xxxxxxxxx> wrote:
>
>
> --- On Fri, 5/14/10, Tapas Mishra <mightydreams@xxxxxxxxx> wrote:
>
>> From: Tapas Mishra <mightydreams@xxxxxxxxx>
>> Subject: [Xen-users] Installing CentOS as DomU on Debian Lenny (dom0) Xen
>> To: "Xen List" <xen-users@xxxxxxxxxxxxxxxxxxx>
>> Date: Friday, May 14, 2010, 10:36 PM
>> Hi,
>> I have searched the question which I am asking.But if some
>> one has
>> mentioned on their blog or link some where they have
>> mentioned as how
>> they
>> installed CentOS as DomU on Debian Lenny (dom0)running
>> xen-3.2.1 and I
>> should have a look
>
> Go here and grab your boot files:
> http://mirrors.kernel.org/centos/5.5/os/x86_64/images/xen/
>
> vmlinuz
> initrd.gz
>
> $ cat cent55.py
> name = "cent55"
> uuid = "442db20d-7a82-409b-b8aa-a352c1fe127c"
> maxmem = 512
> memory = 512
> vcpus = 2
> #bootloader = "/usr/bin/pygrub"
> #bootargs = "-q"
> #kernel="/usr/lib/xen/boot/pv-grub-x86_64.gz"
> # kernel=/vmlinuz-2.6.18-194.el5xen initrd=/initrd-2.6.18-194.el5xen.img
> on_poweroff = "destroy"
> on_reboot = "destroy"
> on_crash = "destroy"
> vfb = [ "type=vnc,vncunused=1,keymap=en-us" ]
> disk = [ "phy:/dev/maxvm/cent55,xvda,w" ]
> vif = [ "bridge=br0,mac=00:16:3e:3b:2a:2f" ]
> extra = " install=http://mirrors.kernel.org/centos/5.5/os/x86_64/ 
> console=tty0 console=ttyS0,38400n8 console=xvc0"
> ------------------------ snip ----------------
>
> to kickoff your PV install
> $sudo xm create -c cent55.py kernel=vmlinuz ramdisk=initrd.gz
>
> you will boot into a netinstall. You can point the installer back to
> the same http source above where the xen boot files came from, or better yet, 
> use a local resource.
>
> Be prepared to switch over from a console to vnc when prompted by the text 
> install.
>
> Accept installer defaults.
> Before you do "first boot", test that pygrub can find your install.
> #pygrub -q /dev/VolGrp/LV
>
> Check the path /var/run/xend/boot. If there is no /boot subfolder, then 
> create it.
>
> you should see something like this:
> Using <class 'grub.GrubConf.GrubConfigFile'> to parse /grub/menu.lst
> linux (kernel /var/run/xend/boot/boot_kernel.P0o6ev)(ramdisk 
> /var/run/xend/boot/boot_ramdisk.Y5yCn_)(args "ro 
> root=/dev/VolGroup00/LogVol00 console=xvc0 noresume selinux=0 ")
>
> then edit cent55.py and uncomment the pygrub lines (x2).
>
> To get the clock working, do
> #nano /etc/sysctl.conf
>
> add:
> xen.independent_wallclock=1
>
> to accept your changes
> #sysctl -p
>
> #yum install ntp
> #chkconfig ntp on
>
> I went throught this yesterday on karmic dom0 with no trouble.
>
> --
> Mark
>
>
>
>
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>



-- 
Tapas

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