Xen users - May 2009 - How to specify static IP in guest config file

Hi,
Could you please let me know how configure a static IP address for the guest
domains, in their config file, along with the NETMASK and GATEWAY
parameters. In case if it is not possible to set in the config file, can we
set in the ifcfg-eth0 file inside the guest? I am not sure of the syntax for
that as well.
I am facing this error when I try configuring the ifcfg-eth0 inside the
guest domain.
"FATAL: Could not load /lib/modules/2.6.18.8-xenU/modules.dep: No such file
or directory"

There are no such files in the /lib/modules folder in the guest. Whereas the
same file exists in my dom0. How do i go about resolving this?
Please guide me.

Thank you

Warm Regards
Ananth


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On Fri, May 15, 2009 at 8:05 PM, Ananth <cbananth@gmail.com>
wrote:
> can we
> set in the ifcfg-eth0 file inside the guest?
That would be the prerefered method.
> I am not sure of the syntax for
> that as well.
Do it like on any other linux server that you have (editing manually,
run system-config-network, etc.)
> I am facing this error when I try configuring the ifcfg-eth0 inside the
> guest domain.
> "FATAL: Could not load /lib/modules/2.6.18.8-xenU/modules.dep: No such
file
> or directory"
>
> There are no such files in the /lib/modules folder in the guest. Whereas
the
> same file exists in my dom0. How do i go about resolving this?
> Please guide me.
How did you install domU?

When using virt-install, domU''s kernel and initrd will be inside
domU''s filesystem (along with the corresponding /lib/modules) and
it''s
booted with pygrub.

If you''re using a template, then you should ask the creator how to use
that template properly. This might include compiling your own kernel,
or copying some files from dom0 to domU.

If it''s jailtime.org images, I wrote some steps some time ago to
convert it to be able to boot with pygrub :
http://lists.xensource.com/archives/html/xen-users/2009-03/msg00372.html

Regards,

Fajar

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Thank you so much for the instant reply. I have installed the guests using
jailtime.org images only. I will take a look at the link you have sent. Do
you have any pointers to install paravirtualized domU using our own kernel?
or say using an Ubuntu or openSuse DVD?

Also, how can I tarnsfer files between domains? I am able to ping dom1 and
dom2 from each other and dom0 as well. But when I do ftp to dom1 from dom0,
connection is refused. Should I mount a network file system? I have not done
this even on linux systems.
Please guide me.

Thank you

Warm Regards
Ananth

On Fri, May 15, 2009 at 6:51 PM, Fajar A. Nugraha <fajar@fajar.net> wrote:
> On Fri, May 15, 2009 at 8:05 PM, Ananth <cbananth@gmail.com> wrote:
> > can we
> > set in the ifcfg-eth0 file inside the guest?
>
> That would be the prerefered method.
>
> > I am not sure of the syntax for
> > that as well.
>
> Do it like on any other linux server that you have (editing manually,
> run system-config-network, etc.)
>
> > I am facing this error when I try configuring the ifcfg-eth0 inside
the
> > guest domain.
> > "FATAL: Could not load /lib/modules/2.6.18.8-xenU/modules.dep: No
such
> file
> > or directory"
> >
> > There are no such files in the /lib/modules folder in the guest.
Whereas
> the
> > same file exists in my dom0. How do i go about resolving this?
> > Please guide me.
>
> How did you install domU?
>
> When using virt-install, domU''s kernel and initrd will be inside
> domU''s filesystem (along with the corresponding /lib/modules) and
it''s
> booted with pygrub.
>
> If you''re using a template, then you should ask the creator how to
use
> that template properly. This might include compiling your own kernel,
> or copying some files from dom0 to domU.
>
> If it''s jailtime.org images, I wrote some steps some time ago to
> convert it to be able to boot with pygrub :
> http://lists.xensource.com/archives/html/xen-users/2009-03/msg00372.html
>
> Regards,
>
> Fajar
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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On Fri, May 15, 2009 at 8:45 PM, Ananth <cbananth@gmail.com>
wrote:
> Do
> you have any pointers to install paravirtualized domU using our own kernel?
> or say using an Ubuntu or openSuse DVD?
If you use the distro''s tools, I believe they''d create
pygrub-bootable
domU. On RHEL it''s virt-install/virt-manager. Suse and Ubuntu might
have their own tool (I''m not familiar with Xen on those platforms,
sorry).

If you want to do it manually you need certain knowledge to do it
properly. The link I''ve sent in one of them. Here''s another
link for
Centos : http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU
>
> Also, how can I tarnsfer files between domains? I am able to ping dom1 and
> dom2 from each other and dom0 as well. But when I do ftp to dom1 from dom0,
> connection is refused. Should I mount a network file system? I have not
done
> this even on linux systems.
In general, you should do what you usually do on normal linux system.
Ask your local sysadmin for help if you need to. You''ll probably be
able to use scp/sftp though, as ssh is usually available by default.

You could also mount domU''s filesystem on dom0 (when domU is stopped).
Again, ask your local sysadmin for help if you need to.

Regards,

Fajar

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