Thanks very much! That's really useful information to have! I didn't know
about debbootstrap - it's great that you can do that! Can you install
debbootstrap on non-debian machines? That'd be even more useful!
I'll incorporate your howto into an appendix in the user manual - should be
really useful!
Thanks again! We'll be finished in no time ;-)
Mark
On Friday 15 October 2004 10:40, Pasi Kärkkäinen wrote:
> On Tue, Oct 12, 2004 at 02:55:41PM +0000, Mark A. Williamson wrote:
> > Guys,
> >
> > Documentation is one of the main hurdles we'd like to get out of the way
> > before releasing 2.0. Stephan and I are at this very minute grokking the
> > docs to start bringing things up to date.
> >
> > We'd still like all the help we can get:
> > * If you've written any howtos, we'd like to incorporate them into the
> > main user manual.
> > * If there's anything you'd really like to see in the docs then please
> > tell us (if you can contribute the start of some text, that'd be even
> > better!). * If you find any mistakes, please report them.
> > * If you found there were any special steps involved in getting Xen
> > working on your distro, beyond what the docs describe, please let us
> > know. We'd like to cover any distro-specific quirks...
>
> Here's some info how to install Debian 3.1 (sarge) for xen:
>
> 1) Set up Xen 2 and test it's working OK and you can run domains with it.
>
> You can find help for this from the Xen Documentation.
>
> 2) Create disk images for root-fs and swap
>
> dd if=/dev/zero of=/path/diskimage bs=1024k count=size_in_megabytes
> dd if=/dev/zero of=/path/swapimage bs=1024k count=size_in_megabytes
>
> If you're going to use this filesystem/diskimage only as a "template" for
> other vm diskimages, something like 300 MB should be enough.. (of course
> it depends what kind of packages you are planning to install to the
> template)
>
> 3) Create filesystem and swap to the images
>
> mkfs.ext3 /path/diskimage
> mkswap /path/swapimage
>
> 4) Mount the diskimage for installation
>
> mount -o loop /path/diskimage /mnt/disk
>
> 5) Install Debian using debootstrap
>
> Make sure you have debootstrap installed on the host. If you are
> running Debian sarge (3.1 / testing) or unstable you can install it by
> running apt-get install debootstrap.
>
> Install debian base to the diskimage:
>
> debootstrap --arch i386 sarge /mnt/disk
> http://ftp.<countrycode>.debian.org/debian
>
> Or you can of course use any other Debian http/ftp mirror you want.
>
> 6) When debootstrap finishes (successfully) modify settings
>
> chroot /mnt/disk /bin/bash
>
> Edit the following files using vi or nano and make needed settings:
>
> /etc/hostname
> /etc/hosts
>
> /etc/resolv.conf
> /etc/network/interfaces
> /etc/networks
>
> Set up access to the services
> /etc/hosts.deny
> /etc/hosts.allow
> /etc/inetd.conf
>
> Add Debian mirror to:
> /etc/apt/sources.list
>
> And create fstab like this:
> /dev/sda1 / ext3 errors=remount-ro 0 1
> /dev/sda2 none swap sw 0 0
> proc /proc proc defaults 0 0
>
> logout
>
> 7) Umount the diskimage
>
> umount /mnt/disk
>
> 8) Create Xen 2 configuration file for the new domain. You can use the
> example-configurations coming with xen as a template.
>
> Make sure you have the following set up:
>
> disk = [ 'file:/path/diskimage,sda1,w', 'file:/path/swapimage,sda2,w' ]
>
> root = "/dev/sda1 ro"
>
> I used the default Xen Linux-2.4.27-XenU kernel for the domain.
>
> 9) Start the new domain
>
> xm create -f domain_config_file
>
> Check that the new domain is running:
> xm list
>
> 10) Attach to the console of the new domain.
> You should see something like this when starting the new domain:
>
> "Started domain testdomain2, console on port 9626"
>
> There you can see the ID of the console: 26. You can also
> list the consoles with "xm consoles". (ID is the last two digits of
> the portnumber.)
>
> Attach to the console:
>
> xm console 26
>
> or by telnetting to the port 9626 of localhost.
>
> 11) Log in and run base-config
>
> As a default there's no password for the root.
>
> Check that everything looks OK, and the system started without
> errors. Check that the swap is active, and the network settings are
> correct.
>
> Run /usr/sbin/base-config to set up the Debian settings.
>
> Set up the password for root using passwd.
>
> 12) Done. You can exit the console by pressing ctrl + ]
>
>
> If you need to create new domains, you can just copy the contents of
> the "template"-image to the new disk images simply by mounting the template
> and the new image, and using cp -a or tar and then modify the
> image-specific settings (hostname, network settings, etc).
>
> Hope this helps somebody. There might be errors in the text.. please feel
> free to correct :)
>
> Someone on the xen-devel list was also doing automatic debian-installation
> script based on configuration templates.. Check that also.
>
> -- Pasi Kärkkäinen
>
> ^
> . .
> Linux
> / - \
> Choice.of.the
> .Next.Generation.
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