Debootstrap & Xen-tools
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#include Here is an snippet from the "Processor type and features" section of the 2.5.50 kernel configuration. The order of the processor selections go as follows (I added the "Starts Here" tags):
i386, i586, i686, athlon
je pensais être en 64 bits mais en fait i686 c'est la nouvelle génération 32 bits après i386 et i586. Les b4 bits sont tous "x86_64" by Mar 17
A relatively common question for new Xen users seems to be "how do I create a domU?" (or "virtual machine" or "now that Xen is running, what do I do?") Although the number of prebuilt domUs available for download is proliferating (we have posted a sample domU that results from following the directions below), for the do-it-yourself crowd, here's an introduction to one of the world's most admired bootstrap methods (no, I'm serious). This will give you a bare-bones Debian Sarge domU, configured with a swap partition. If you are using something else, and debootstrap is not included in your package tree, we have converted versions of the current (v 0.2.45) Debian packages available for download here ( currently untested ):
Debian VM with debootstrap - OptionC
A relatively common question for new Xen users seems to be "how do I create a domU?" (or "virtual machine" or "now that Xen is running, what do I do?") Although the number of prebuilt domUs available for download is proliferating (we have posted a sample domU that results from following the directions below), for the do-it-yourself crowd, here's an introduction to one of the world's most admired bootstrap methods (no, I'm serious). This will give you a bare-bones Debian Sarge domU, configured with a swap partition. If you are using something else, and debootstrap is not included in your package tree, we have converted versions of the current (v 0.2.45) Debian packages available for download here ( currently untested ): This creates a 300M file system for root and a 64M swap partition; adjust as needed.
Create a Debian VM with debootstrap - OptionC
The domU uses kernel "/boot/vmlinuz-2.6.11-xenU", because this document was written with Xen 2.0.7 installed. This setup however also works up until the last Xen unstable (3.0) version. The domU kernel line changes into the kernel supplied by the Xen version of your choice. apt-get install lvm2 pvcreate /dev/hda5 vgcreate lvmxen /dev/hda5 lvcreate -L1G -n domu1 lvmxen lvcreate -L256M -n domu1-swap lvmxen mke2fs /dev/lvmxen/domu1 tune2fs -j /dev/lvmxen/domu1 mkswap /dev/lvmxen/domu1-swap mount /dev/lvmxen/domu1 /mnt debootstrap sarge /mnt # It can be possible that debootsrap spits out an error message # like: E: Couldn't find these debs: 33024830 # use the following command line for debootstrap if this is the case. # # debootstrap --resolve-deps sarge /mnt mv /mnt/lib/tls /mnt/lib/tls.disabled
DebianDomU - Xen Wiki
This guide explains how you can set up fully-virtualized guests (HVM) with Xen 3.2 on a Debian Lenny x86_64 host system. HVM stands for H ardware V irtual M achine; to set up such guests, you need a CPU that supports hardware virtualization (Intel VT or AMD-V). Hardware virtualization allows you to install unmodified guest systems (in contrast to paravirtualization where the guest kernel needs to be modified); that way you cannot only virtualize OpenSource operating systems like Linux and BSD, but also closed-source operating systems like Windows where you cannot modify the kernel. To learn more about the different virtualization techniques, take a look at this VMware whitepaper: http://www.vmware.com/files/pdf/VMware_paravirtualization.pdf .
How To Run Fully-Virtualized Guests (HVM) With Xen 3.2 On Debian
Te prends pas la tête avec le swap, ca doit marcher sans. Sinon, effectivement l'on ne monte pas le swap avec mount, mais il doit quand même apparaître dans /etc/fstab de ton DomU (soit ta Debian en debootstrap): /dev/hda2 swap swap defaults 0 0 Le /dev/hda2 depends bien sur de ta facon d'utiliser le disque dur, la c'est le cas le plus simple.
Xen, chroot, debootstrap
Si vous voulez une paravirtualisation : il faut modifier le noyau des systèmes d'exploitation des hotes. Le cas échéant vous obtiendrez une vulgaire HVM et vous perdrez pas mal de performances by Mar 19
Spanning tree protocol - Wikipédia
Détermination d'un spanning tree Le Spanning Tree Protocol (aussi appelé STP ) est un protocole réseau de niveau 2 permettant de déterminer une topologie réseau sans boucle (appelée arbre ) dans les LAN avec ponts . Il est défini dans la norme IEEE 802.1D et est basé sur un algorithme décrit par Radia Perlman en 1985 [ 1 ] . Mode de fonctionnement [ modifier ] Les réseaux commutés de type ethernet doivent avoir un chemin unique entre deux points, cela s'appelle une topologie sans boucle.
xm(1): Xen management user interface - Linux man page
The xm program is the main interface for managing Xen guest domains. The program can be used to create, pause, and shutdown domains. It can also be used to list current domains, enable or pin VCPUs, and attach or detach virtual block devices.
Voici la commande centrale de Xen : "xm" by Mar 19
plus j'avance dans linux et plus je tombe sur ce très bon site qui recence des tas de manuels ! by Mar 19
4.3. Préparation des fichiers pour un amorçage avec une clé USB
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