====== Xen virtualization ======

  * [[http://www.howtoforge.com/centos_5.0_xen|quick howto]]
  * [[http://lists.centos.org/pipermail/centos-virt/2008-September/000611.html|dhcp with virt-install]]
  * need a xen specific kickstart file (both for dom0 and domU)
  * helper script to add a virtual machine, using an LV for the data:<code>#!/bin/bash
#
# Xen MACs start with: 00:16:3e

NAME=xen-test-client
MAC=00:16:3e:00:00:00
VGNAME=xen_vg0

# create a logical volume
lvcreate -L 8G -n $NAME $VGNAME

# install
virt-install \
    --name=$NAME \
    --ram=256 \
    --os-type=linux \
    --os-variant=rhel5.4 \
    --location=/mnt/artemis/wspace/OS/CentOS/5.5/ \
    --disk path=/dev/$VGNAME/$NAME \
    --mac=$MAC \
    --nographics \
    -w bridge:xenbr0 \
    -x "cmdline ks=nfs:192.168.1.2:/wspace/OS/kickstart/centos5.5xenclient.ks ksdevice=eth0"</code>

=== some commands ===

  * start: <code>xm create NAME</code>
  * shutdown cleanly: <code>xm shutdown NAME</code>
  * list running vms: <code>xm list</code>
  * shutdown forcibly: <code>xm destroy NAME</code>
  * get a console: <code>xm console NAME</code>
  * detach from console: <key>esc</key>, <key>Ctrl-]</key>

===== Other Notes =====


  * [[http://wiki.centos.org/TipsAndTricks/Xen|Xen tips and tricks]]
  * [[http://watters.ws/mediawiki/index.php/Xen_kickstart_for_CentOS_5|xen kickstart example]]
  * [[http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU|install centos domU]]
  * [[http://blog.jphoude.qc.ca/2007/11/03/centos-5-xen-images-part-2/|centos, xen, and lvm]]
    * [[http://www.nikhef.nl/pub/projects/grid/gridwiki/index.php/Xen_on_CentOS_5_-_Notes|how to mount your xen lvm volume]]

==

{{tag>:linux:server :linux}}