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[Xen-users] the simplest example to start


  • To: xen-users@xxxxxxxxxxxxx
  • From: Massimo Canonico <mex@xxxxxxxxxxxx>
  • Date: Fri, 08 Jun 2012 17:44:53 +0200
  • Delivery-date: Fri, 08 Jun 2012 15:48:21 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

Hi all,
I'm new on xen and I'm sure this is gonna be a "stupid" question.

I have a Fedora 16 with a working xen:
[root@minicloud merda]# xm info
host                   : minicloud.di.unipmn.it
release                : 3.3.7-1.fc16.x86_64
version                : #1 SMP Tue May 22 13:59:39 UTC 2012
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2400
hw_caps : bfebfbff:20100800:00000000:00000940:0000e3bd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 4094
free_memory            : 717
free_cpus              : 0
xen_major              : 4
xen_minor              : 1
xen_extra              : .2
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
xen_commandline        : placeholder
cc_compiler            : gcc version 4.6.3 20120306 (Red Hat 4.6.3-2) (GCC)
cc_compile_by          : mockbuild
cc_compile_domain      : phx2.fedoraproject.org
cc_compile_date        : Mon May  7 23:28:57 UTC 2012
xend_config_format     : 4

[root@minicloud merda]# xm list
Name ID Mem VCPUs State Time(s) Domain-0 0 3326 4 r----- 28.0

Unfortunately, it's all day long than I'm fighting with a very simple problem: try to make a ttylinux (or any other small linux distro) up and running over Xen.

I saw many config files which "xm create -c" says they are wrong (for example: Error: Cannot find kernel "/boot/vmlinuz-2.6-xenU" -- or it is missing the initrd file...). Moreover the ttylinux (from its web page) comes with an "iso" file and many tutorials are not using this kind of file.

So, I would ask if you know some place (tutorial/blog) where I can find the very basic steps in order to accomplish my task. I do not care about ttylinux, I just want a very simple example.

Thanks for your time and sorry again for the question.

Massimo

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