[Fedora-xen] Running FC4 on FC5

Wed Apr 19 13:41:25 UTC 2006

I have the boot image (FC4 domU) in /boot
And the modules in the modules dir
I also have FC4 domU installed on the FC4 Guest
  -----Original Message-----
  From: Philipp Jäggi [mailto:philipp.jaggi at snct.lu]
  Sent: 19 April 2006 11:19
  To: Robert Mortimer
  Subject: RE: [Fedora-xen] Running FC4 on FC5

  You've got the FC4 Xen kernel installed in your dom0?

  bye Philipp
  ===============================================
  Philipp Jäggi
  SNCT Sandweiler
  bp 23
  L-5230 Sandweiler

  +352 35'72'14'342

  mailto: philipp.jaeggi at snct.lu

        "Robert Mortimer" <rmortimer at bluechiptechnology.co.uk>
        04/19/2006 11:48 AM
       To Philipp Jäggi <philipp.jaggi at snct.lu>
              cc
              Subject RE: [Fedora-xen] Running FC4 on FC5

  Yes
  -----Original Message-----
  From: Philipp Jäggi [mailto:philipp.jaggi at snct.lu]
  Sent: 19 April 2006 10:43
  To: Robert Mortimer
  Subject: RE: [Fedora-xen] Running FC4 on FC5

  You disabled SELinux and rebooted the machine?

  bye Philipp

  ===============================================
  Philipp Jäggi
  SNCT Sandweiler
  bp 23
  L-5230 Sandweiler

  +352 35'72'14'342

  mailto: philipp.jaeggi at snct.lu

        "Robert Mortimer" <rmortimer at bluechiptechnology.co.uk>
        Sent by: fedora-xen-bounces at redhat.com
        04/19/2006 11:06 AM

              To Philipp Jäggi <philipp.jaggi at snct.lu>
              cc fedora-xen-bounces at redhat.com, fedora-xen at redhat.com
              Subject RE: [Fedora-xen] Running FC4 on FC5

  Dear Robert

  First of all, I've had the same questions and problems as you have now.
This style of none documentation by the fedora team is just a shame for the
whole open source community! Probably Jeremy Katz is too busy by meeting his
new board members friends, so that he has no more time to write just a
little documentation with explanations, not just a unusable mini mini howto.

  What the big problem is behind the FC5 and Xen implementation is, that the
xen guys at fedora have no idea what SELinux is doing. So, finally they made
an implementation of xen and SELinux that is not usable. If you don't want
to spend two weeks configuring your SELinux, you have to decide, if you use
in future SELinux or Xen (By the way, the same issues you have with httpd
and SELinux).

  So my personal proposal is, that you just disable SELinux wherever you
find it on your FC5 installation. After disabling SELinux (you have to
reboot so that everything works fine, => Oh I like this old nice M$ Win95
style of system management) you can use your xen config as you posted in
your mail.

  With the xenguest-install.py script you can't install FC4 or another
distribution, because the FC5 guys made an adaptation of the anaconda system
installer. By the way, this is a nice feature, because you can now kickstart
your FC5 installation.

  If you want to install a new non FC5 guest, do it in the old style. Create
your devices with LVM and perform a yum groupinstall
with --installdir=yourdevice.

  The Point is I have done this I have FC4 images. I have copied the fc4
domU kernel and modules to the Dom0 and still I can not find a config that
boots

  As you can see, Fedora Core 5 is a typical example for bad IT Management.
They tried to do a lot of thing in a short time. So several teams worked on
different things and now, nothing really fits together. The whole
implementation of the SELinux is a disaster. So for professional use, you
have to go back to Fedora Core 4. Also because the oracle stuff is not
working with the new glibc (it's not possible to start the listener... :-().
I by myself have to use FC5, because I need to kickstart my xen installation
and need apache 2.2. If you don't need those features, use CentOS or the
original RHES.

  Hope I gave you the right hints.

  bye Philipp

  ===============================================
  Philipp Jäggi
  SNCT Sandweiler
  bp 23
  L-5230 Sandweiler

  +352 35'72'14'342

        "Robert Mortimer" <rmortimer at bluechiptechnology.co.uk>
        Sent by: fedora-xen-bounces at redhat.com
        04/18/2006 04:22 PM

              To <fedora-xen at redhat.com>
              cc
              Subject [Fedora-xen] Running FC4 on FC5

  I am attempting to run an FC4 image on an FC5 machine
  I have prepped the image as per the FC4 quick start
  my xen config is as follows

  kernel ="/boot/vmlinuz-2.6.13-1.1532_FC4xenU"
  memory = 100
  name = "vm01"
  vcpus = 1
  vif= ['mac=FE:FD:25:63:74:49']
  disk = [ 'file:/root/VM/fedora.img,sda1,w' ]
  root = "/dev/sda1"
  extra = "ro selinux=0 3"

  All I get is

  # xm create vm01
  Using config file "vm01".
  Error: Error creating domain: (22, 'Invalid argument')
  Has anyone got a simple 1 NIC guest config for FC4 on FC5

  I see that the new FC5 uses
  An init image as part of the boot
  A python based boot loader
  and a python based install script

  Is there any way to hack this lot to do an install like the FC5/FC5 one?
  How are the init images built?
  Will the new installer do other guest OS's in the future?

  Robert

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