File:  [NetBSD Developer Wiki] / wikisrc / tutorials / how_to_set_up_a_xen_dom0.mdwn
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Fri May 17 23:03:58 2013 UTC (11 months, 1 week ago) by jnemeth
Branches: MAIN
CVS tags: HEAD
- delete duplicated portion
- mention starting xencommons
- reformat long lines

Here's how to install and get a dom0 running in the simplest way.
It's not as simple as it could be, but it's pretty fast compared
to older methods. We hope to fix the system installer for NetBSD
7.0 so it can all be done from there.

STEPS:

1) boot a 6.1 install image.  I'm booting the CD-ROM image,
NetBSD-6.1-amd64.iso .

2) Perform a normal amd64 install.  At the end of the install,
there is a "configure additional items as needed" menu.  Choose
"e", "Enable installation of binary packages". (This requires that
the network be available)

3) reboot the newly installed system, and log in as root.

4) Install the Xen binary packages using pkgin (assuming the network
is configured):

    # pkgin install xentools41
    <answer Y when asked to install dependencies>

    # pkgin install xenkernel41
    <answer Y>

5) install a dom0 netbsd kernel that Xen can load:

    cd / && ftp http://ftp.netbsd.org/pub/NetBSD/NetBSD-6.1/amd64/binary/kernel/netbsd-XEN3_DOM0.gz

6) Edit /boot.cfg to add Xen Dom0 as an option at boot time

Add the following line:

    menu=Boot Xen:load /netbsd-XEN3_DOM0.gz console=pc; multiboot /usr/pkg/xen41-kernel/xen.gz dom0_mem=512M

(you may also want to increase the default timeout from 5sec to
30sec to make choosing "Xen" easier)

7) Copy the boot scripts from /usr/pkg/share/examples/rc.d :

    # cp /usr/pkg/share/examples/rc.d/xen* /etc/rc.d

(The default *should* be to install these files when installing a
pkg, but it isn't yet.  )

8) edit /etc/rc.conf and add the following lines:

    xencommons=YES
    xend=YES

9) reboot and choose "Boot Xen" from the menu.  (You can make it
the default by editing /boot.cfg)

10) demonstrate you're running a dom0 by doing "xm list" at a root prompt.


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