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9
votes
2answers
6k 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
1answer
496 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
3answers
5k 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 ...
5
votes
1answer
151 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 ...
3
votes
2answers
637 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
1answer
324 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
4answers
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] ...
3
votes
1answer
966 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 ...
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
2answers
4k 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 ...
2
votes
2answers
3k 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 ...
2
votes
2answers
4k 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
1k 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
3k 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
6k 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
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 ...
2
votes
1answer
346 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
1answer
4k 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 ...
2
votes
2answers
579 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
1k 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
326 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
3k 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
442 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
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 ...
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: Compiled against library: libvir 0.9.2 Using ...
1
vote
1answer
476 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
1answer
55 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
116 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
534 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
2k 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
10k 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
1k 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
128 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
152 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
649 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
191 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
0answers
87 views

Can PXE be used to logon to VM

Can I use PXE to boot a thin/fat client directly into a running VM. My plan is to have my server running the VMs (Windows and ubuntu machines)in XEN or KVM I need for the Family to use and have some ...
1
vote
1answer
84 views

After upgrading a VM to 12.04 my eth0 MAC is all zeroes

I did a series of upgrades from 10.04 to 12.04 on a VM under Xen virtualisation. Now for some reason eth0 won't start up, ifconfig says mac address is 00:00:00:00:00:00, I've tried setting the address ...
1
vote
1answer
542 views

“(XEN) Not enough memory to relocate the dom0 Kernel image” (not iSCSI/HBA issue)

I'm trying to isntall Xen on ubuntu 12.04 LTS for the first time (running on blade server, 8GB ram, without the naughty iscsi controller, running LSISAS1064E) I've followed the official ubuntu ...
1
vote
0answers
126 views

Ubuntu 11.10 Black Screen during xen vm cloning

I am using Ubuntu server 11.10,with xen hypervisor 4.1. Beside this I have installed Libvirt-0.9.2. All things working perfectly. But some time while using virt-install or virt-clone during the ...
1
vote
1answer
672 views

ubuntu 12.04LTS libvirt no conenction driver available

I am trying to setup a vm using xen under ubuntu 12.04LTS. I have installed the default libvirt version but I have some errors when trying to run: $ virsh -c <uri> list the errors are: ...
1
vote
0answers
361 views

Convert existing Ubuntu desktop 12.10 installation to have Xen Guest Support

It looks like previous versions of Ubuntu had a package called linux-ec2 that would install a kernel with Xen Guest support. I was unable to find any packages in specifically 12.10 that install a ...
1
vote
0answers
459 views

Debootstrap chroot Installation Error

During initial installation (using both Network installation and CD ISO) of Ubuntu Server 12.04.1 LTS (64-bit) as a guest VM on XenServer 6.1 I'm getting this error: Debootstrap warning Warning: ...
1
vote
2answers
815 views

Running Xen on Ubuntu-Server 11.10

I'm trying to run Xen on Ubuntu Server 11.10. I tried following the wiki, but it's a bit obsolete, so I tried following a blog post. Everything seemed to be going well, until I ran virsh version, ...
1
vote
0answers
496 views

Ubuntu Oneiric Server (amd64) failed to detect QEMU HARDDISK ATA and e1000 model NIC [closed]

When I tried to clean install Ubuntu 11.10 Server (amd64) as a HVM guest on XEN (4.0.1), it failed to detect QEMU HARDDISK ATA-7 hard disk and e1000 model NIC provided by xen-qemu-dm. Same thing is ...
0
votes
1answer
1k views

Setting up Xen VGA Passthrough With Two Different Video Card

While I have learned that you must use two different video cards to utilize Xen's VGA Passthrough, I am curious if you can do this with different video cards from the same manufacturer. Specifically, ...