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13
votes
2answers
10k views

What is the “/dev/xvda1” device?

When I type mount on the root of my Ubuntu system I get the output /dev/xvdal on / type ext4 (rw,noatime) I want to know what is the meaning of /dev/xvdal in this?
7
votes
3answers
9k views

Why is /etc/network/interfaces ignored?

I've been searching the internet for the last 2 hours and can't seem to find a solution to the following problem. I just installed Xen in a fresh Xubuntu 13.04 and in order to setup the networking, I ...
7
votes
1answer
664 views

Creating block devices for openstack deployment using MAAS and juju (nova-volume deployment)

I'm currently trying to get a openstack deployment working by using MAAS with 9 nodes and juju. To do this I found this guide, working with ubuntu 12.04 LTS and followed it as good as I can. After a ...
6
votes
1answer
4k views

How do I use Xen hypervisor?

I am interested in trying out Xen; What packages do I need to install? How do I set up a DomU instance?
6
votes
3answers
5k views

Current protocol for installing Xen with as a Dom0?

I tried to install Xen a few weeks ago with Ubuntu 11.10 as the Dom0. At the time, I encountered too many problems to list here. And an internet search revealed that others were having similar ...
5
votes
1answer
179 views

Can Ubuntu JeOS work with Xen?

Can I install Ubuntu as Minimal Virtual Install (formarly called Ubuntu JeOS1) on Xen hypervisor or not? Does it only support KVM and VMware? 1. Ubuntu JeOS a version of Ubuntu that can be installed ...
4
votes
3answers
9k views

Ubuntu 14.04, Xen 4.4 and XAPI toolstack

Just decided to start over with XEN on a completly different box I have. In preparation, I started to look into the package details based on information found on both the Ubuntu howto wiki for Xen ...
3
votes
2answers
694 views

Can I use Xen virtualization/paravirtualization when my processor doesn't support VTX?

I have a server (4 GB RAM, 64-Bit Intel Atom 330 1.6 GHz processor). The processor doesn't support any kind of virtualization (I looked up the documentation). Can I still use Xen to make several ...
3
votes
3answers
1k views

Why can't I boot into xen?

I started out with a fresh install of Ubuntu 14.04 server set up on a 10GB LVM partition. The only other thing I did was to then install the xen-hypervisor: sudo apt-get install xen-hypervisor-amd64 ...
3
votes
2answers
6k views

How do I set up a xen bridge?

I have been reading various pages on how to set up the network for xen. Unfortunately, none of them actually have a full example config. They clearly show what the xenbr0 section should look like, but ...
3
votes
1answer
357 views

How can create the smallest possible mirror of the archive?

I need to create an http url at my laptop to have a Ubuntu installation begin within my laptop on a Xen environment. This is how the final thing will look like. The host and client are both going to ...
3
votes
1answer
5k views

I want to install Xen to run Ubuntu 12.04 and Windows 7 at the same time but I can't find any good tutorials

I'm wanting to use Xen Hypervisor to be able to run both Ubuntu 12.04 and Windows 7 at the same time using virtualization. I can find plenty of XCP tutorials but I'm not looking to install the cloud ...
3
votes
2answers
5k views

Bridging: Loosing WLAN network connection with 4addr on option - Why?

Question: For use with my Xen VM, I need to create a virtual network interface (vif) that is bridged to wlan0. If in /etc/network/interfaces I add auto xenbr0 iface xenbr0 inet dhcp And ...
3
votes
2answers
453 views

How to integrate libvirt with libxl of Xen 4.4?

I'm running Xen 4.4 with Ubuntu 14.04 without any problems, like this: root@hyper-xen-1:~# xl li Name ID Mem VCPUs State Time(s) Domain-0 ...
3
votes
1answer
2k views

Ubuntu 12.04 as Xen Dom0 with GUI

i will create a homeserver with Xen who has a graphical user interface (for watching tv, browse the internet etc). The problem is, if i install xen after my Ubuntu Desktop install, my (dom0) Ubuntu ...
3
votes
1answer
1k views

Xen 4.0.1 not booting with device not found error

I'm trying to get Xen 4.0.1 run as dom0 on a fresh/clean install of 10.10 desktop (x64). Followed the step by step tutorial at http://wiki.xensource.com/xenwiki/Xen4.0 I have the pvops kernel in ...
3
votes
2answers
3k views

Why do I get disk I/O errors booting the 3.2 kernel on a xen vps server?

I have a xen vps, which I just upgraded to the new LTS 12 Precise Pangolin. However, I see this error on booting: [ 12.848076] end_request: I/O error, dev xvda, sector 12841 [ 12.848093] ...
2
votes
2answers
3k views

Virtualization on Ubuntu 12.04 LTS

We plan to introduce virtualization on our 64bit Ubuntu 12.04 LTS server so that we can run, in different VMs, a file server for our staff and some development machines for our IT team (code ...
2
votes
1answer
2k views

Ubuntu Server 12 not spawning a serial ttyS0 when running on Xen

I have this problem on more than one host, so the specific hardware is not an issue. Bare metal Ubuntu 12 is not creating a login process on the only serial port, in the default configuration. The ...
2
votes
2answers
5k views

How to set Grub to automatically load Xen kernel

How do you configure Grub to automatically use the Xen kernel under Ubuntu 11.10? No matter what I do, it loads the first menuentry. The only way I can get it to load Xen is to manually select the ...
2
votes
2answers
2k views

How To Boot XEN VMs Using iSCSI?

In simple, I want boot XEN fully virtualized (HVM) guests (both Windows & Linux) using iSCSI drives (i.e. from SAN). My main purpose of this is to learn about this process. So, how can I do it? ...
2
votes
1answer
4k views

Which is best to use on a HEADLESS Server that is going to be use as virtualization host? KVM / XEN / QEMU?

Okay, The main purpose is to learn about virtualization and play around with it. However, I have a problem of determining which is best for a headless server. I want to run several Linux distributions ...
2
votes
1answer
7k views

Xen - install fully paravirtualized Ubuntu - no virtual kernel in bootloader

I followed this guide: https://help.ubuntu.com/community/Xen I managed to get 99% the way through it, but it appears the xen-netboot image doesnt install a virtual kernel (it says 'generic' at the end ...
2
votes
1answer
424 views

Memory management in Xen

I understand that xen allocates all the physical memory requirement of the guest when started. Also it maintain a shadowing page table (I'm assuming it uses struct page_info to maintain this. Am I ...
2
votes
2answers
613 views

I have Ubuntu 9.04 on my Xen VPS - can I upgrade it to 10.10?

I use Ubuntu 9.04 (the most recent version that the VPS host provided) on a Xen VPS. The kernel version seem to be something Xen-specific: 2.6.18-194.32.1.el5xen. I would like to have the most recent ...
2
votes
1answer
2k views

Xen keeps making the time wrong on a Windows guest

Just upgraded our Ubuntu Server to 12.04.1 LTS. It runs a Xen VM, which is Windows Server 2008 R2 x64. We are using the xl toolchain for Xen. We are in the UK, which is currently GMT+1 (BST). The ...
2
votes
0answers
337 views

Xen 4.1 + NVidia driver = Unity has no window decorations [closed]

I am running Ubuntu 11.10 with Unity. I installed XEN and booted its kernel. The machine booted normally. However, when I started Unity (3D), there were no window decorations. I tried Unity 2D and ...
2
votes
1answer
4k views

How do I load iptable kernel modules onto a VPS?

I have two servers, using one for prod and one for dev. They are with different providers, and one is running Xen and the other OpenVZ (both running Ubuntu but 8.04 and 10.10 respectively). I've ...
2
votes
0answers
476 views

How to install over http in virtual manager? [closed]

I am having a situation where I can not use a CD or PxE boot or wubi to install.I need to necessarily do an http install of Ubuntu.I am basically trying to create a guest OS in a virtualization setup ...
1
vote
2answers
3k views

Dom U Installation on Ubuntu 11.10

I am trying to add a DomU Operating system on Ubuntu 11.10. I have successfully installed Xen. Verified with xm info virsh-version which returns this: Compiled against library: libvir 0.9.2 ...
1
vote
1answer
583 views

Need to set up shared storage for Guest virtual machines that are running on a Xen host

My environment: I am doing these things at home with the purpose of learning about virtualization techniques. My machine have quad core processor that supports Intel-VT and 8GB RAM. XEN is the ...
1
vote
2answers
338 views

No Dom0 in “virsh list”

Basically I am trying to setup a cloud with Ubuntu 12.04, Eucalyptus and Xen. I have installed Xen. Now when I run xm list command, it shows Domain-0 is running. But when I try with virsh list, ...
1
vote
1answer
61 views

xen issues in wubi ubuntu 12.10

I have installed Ubuntu 12.10 on my Windows 7 from Wubi. Now I want to install Xen on it. I have searched a lot and read many blog. I tried to install but when I run a command xm list to check ...
1
vote
1answer
1k views

ubuntu 12.10, 12.04 “Unable to find medium containing a live file system”

When installing ubuntu via xen i get Unable to find medium containing a live file system i go the iso from http://www.ubuntu.com/download/desktop and have been following this tuorial ...
1
vote
1answer
2k views

How to limit xen dom0 RAM to a certain amount?

How to limit xen dom0 RAM to a certain amount? When there was grub1 and a grub.cfg, I knew how, just add to the kernel options there. Now I have no clue. I have tried setting ...
1
vote
1answer
145 views

gvnccapture- Installation

I want to capture virtual machine screenshot. I have installed xen hypervisor and I am controlling my virtual machines using libvirt-php API. It has a function: ...
1
vote
1answer
668 views

How do I configure networking when using XEN on 12.04 Server

I'm following this guide, https://help.ubuntu.com/community/XenProposed, and I'd like to setup a static IP address, but I don't know how. I'm using 12.04 Server. This is the step I'm having trouble ...
1
vote
3answers
3k views

How change what kernel boots Ubuntu XEN VPS?

I have a VPS running Ubuntu server 12.04. A while ago, my host installed an alternative kernel (one of Amazon's EC2 kernels) to fix a boot issue I was having. Now, 2 Ubuntu releases later, this kernel ...
1
vote
1answer
13k views

How to set up bridged networking in Xen?

I have 2 domU virtual machines installed on a 11.10 Oneiric Dom0. My internal network is on the 192.168.1 subnet, and when the domU's start, they get ips on the 192.168.122 subnet. I have attempted to ...
1
vote
1answer
2k views

Which Ubuntu kernel package should I run in a Xen domU

I have a Xen domU provided by a 3rd party vendor, and am running Ubuntu 10.04 on it. Is there a more xen-specific kernel I am running than that provided by the linux-image-2.6.32-21-server package? I ...
1
vote
0answers
371 views

xen hypervisor wont boot from grub and “Can't find hypervisor information in sysfs!” error ubuntu 14.04

I have used This forum, trying to run xen on my os: steps i have done : egrep '(vmx|svm)' /proc/cpuinfo ouput = 4 and also i have run KVM virtualization with no problem. then: sudo apt-get ...
1
vote
0answers
210 views

boot XEN under UEFI-only BIOS

Is there a way to get XEN 4.4 booting from UEFI mode BIOS? My AMD64bit laptop does not support direct CSM/legacy boots. A nasty workaround has been to boot from a specially made USB pendrive with ...
1
vote
0answers
17 views

Need commands to fetch Guest VM OS version from Xen and KVM

I m looking for the commands that can be executed to fetch the OS Version of the VMs running on the below Hypervisors. Xen (Not the citrix Xen server, but the Xen Sever hosted on a ubuntu Machine) ...
1
vote
2answers
2k views

KVM NVidia Passthrough

I've seen a guide or two that seems to be replicated around on the internet on setting up KVM to use passthrough for Nvidia. It seems to require 2 video cards. Is it possible to do it with 1 video ...
1
vote
0answers
214 views

How to expand the ext4 partition of virtualized Ubuntu running on top of CentOS/QEMU?

My company is running Xen--VMs run on top of CentOS/QEMU. Recently a customer using virtualized Ubuntu asked that his HDD space be increased. Now, with Windows, this is a joke. You type the new size ...
1
vote
0answers
433 views

Create PV Guest VM in Ubuntu 12.04 using Xen: “Network autoconfiguration failed”

I am using instructions from here: https://help.ubuntu.com/community/XenProposed http://fosshelp.blogspot.com/2013/03/how-to-create-pv-guest-vm-on-ubuntu.html This is what I get when I type ifconfig: ...
1
vote
0answers
197 views

Libvirt-1.1.1 with xen-4.2.1

I installed xen-4.2.1 from the source and I am using XL toolstack. Now I installed libvirt-1.1.1 from the source. It's not working properly. And I got some error when running the virsh: error: ...
1
vote
0answers
698 views

Ubuntu 13.04, Xen, xcp-xapi - Operation not permitted?

I've installed Ubuntu 13.04 onto my machine, along with "xpc-xapi", which installs everything needed. By default, this installs Xen using the default toolstack "xm". I applied enough system tweaks to ...
1
vote
1answer
344 views

Selective package updates through apt-get

I'd like to install a newer package (xen-tools) from Quantal via apt-get. The package is called xen-tools. It doesn't contain any compiled sources. I need it on Precise because you cannot use ...
1
vote
1answer
323 views

kernel panic error in ubuntu 12.10

Before installing xen hypervisor my ubuntu 12.10 was working fine, but after installing xen I am unable to boot my ubuntu. The error is: /bin/sh:error while loading shared liberaries:libc.so.6 cannot ...