Project

General

Profile

Provision KVM VM without DHCP » History » Version 3

Ohad Levy, 11/17/2011 09:46 AM

1 2 Trey Dockendorf
{{toc}}
2
3 1 Trey Dockendorf
h1. Provision KVM VM without DHCP
4
5
This method is similar to the [[gPXE]] provisioning method, but the parameters are passed as kernel boot options.
6
7
h2. Prerequisites
8
9
In order to use direct kernel booting, the *vmlinuz* and *initrd.img* files need to exist in a storage pool.
10
11
I downloaded the two available for CentOS 6.0.
12
13
<pre>
14
cd /var/lib/libvirt/images
15
wget http://mirror.centos.org/centos/6/os/x86_64/isolinux/vmlinuz
16
wget http://mirror.centos.org/centos/6/os/x86_64/isolinux/initrd.img
17
</pre>
18
19
h2. Using virt-manager
20
21
From within the virtual machine's details, select the *Boot Options*.  Expand *Direct kernel boot* and enter the following information.  Replace the IP addresses with those specific to your setup
22
23
*Kernel path*: /var/lib/libvirt/images/vmlinuz
24
*Initrd path*: /var/lib/libvirt/images/initrd.img
25
*Kernel arguments*: ks=http://foremanserver.tld/unattended/provision?static=yes ksdevice=bootif network kssendmac ip=192.168.1.2 netmask=255.255.255.0 gateway=192.168.1.1 dns=192.168.1.1
26
27
h2. command line using virsh
28
29
To make these changes edit the virtual machine's XML file through virsh
30
31
<pre>
32
virsh edit domain
33
</pre>
34
35
Below are the relevant lines, replace the IPs with those of your setup
36
37 3 Ohad Levy
<pre><code class="xml">
38 1 Trey Dockendorf
  <os>
39
    <type arch='x86_64' machine='rhel6.0.0'>hvm</type>
40
    <kernel>/var/lib/libvirt/images/vmlinuz</kernel>
41
    <initrd>/var/lib/libvirt/images/initrd.img</initrd>
42
    <cmdline>ks=http://foremanserver.tld/unattended/provision?static=yes ksdevice=bootif network kssendmac ip=192.168.1.2 netmask=255.255.255.0 gateway=192.168.1.1 dns=192.168.1.1</cmdline>
43
    <boot dev='hd'/>
44 3 Ohad Levy
  </os></code>
45 1 Trey Dockendorf
</pre>