XEN is a hypervisor based virtualization technique.

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Xorg refuses to start with radeon driver, attempting to pass through NVIDIA GTX970 using Xen on Mint 18

I am attempting to pass through my GTX 970 to a Windows VM using Xen (I already have the hypervisor in place and am currently just running Linux Mint 18 on Dom0). I am attempting to use a Radeon R9 ...
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Converting A Physical Ubuntu Server with boot raid 1 to a Xen domu

So here's the situation: 1 physical server running a very outdated version of ubuntu 14.04 Booting off of a a software raid 1 configured in the installation. This server runs mission critical ...
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26 views

Install CentOS 6.2 GUI with XenServer 6.5

This is my first time to use XenServer 6.5. I want to add a CentOS 6.2 Virtual Machine into my XenServer. I put the CentOS 6.2 iso and added > vnc in boot parameter. Below are the screenshot: After ...
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How to install Fedora on Xen with the LiveCD image?

I've managed to get the Fedora LiveCD image (Fedora-Live-Workstation-x86_64-21-5.iso) to boot in Xen using the following configuration: name = 'fedora_x86_64' memory = 1024 disk = [ 'file:/path/...
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142 views

Bridged networking problem with Xen 4.6 and Ubuntu 16.04

I'm trying to setup a Xen virtualization on Ubuntu 16.04, and Xen 4.6. My plan is to have 1 private network, as well as virtual servers with public IP addresses which should be accessible externally (...
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Xen + DRBD + Pacemaker on Centos7

So my current environment is centos7 on a pair of identical bare metal servers. I've installed drbd and carved up 3 x 100G block devices for DRBD to mirror. Then I installed a Centos7 image on one of ...
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239 views

Creating new SLES 12 VM on XenServer 6.5 fails

When I try to create a new SLES 12 VM on a XenServer 6.5 host it fails with this error message: "Failed","Starting VM 'AAEB-PUBLIC218LY' Internal error: xenopsd internal error: VM = 4d956449-...
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How to install CUDA on Linux Mint with Xen already installed?

Xen is installed on Linux mint. How to install CUDA without getting a black screen or command line on restart? In other words, how to get Xen's Dom0 Mint Desktop with CUDA installed?
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Virsh (libvirt-bin) is not able to communicate with Xen server

I have installed the latest version of Xen server 6.5. Now I want to connect to it with virsh (libvirt-bin). When I do this I get the error error:end of file while reading data: sh:nc:command not ...
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Kernel bug at at fs/dcache.c on XenServer

Yesterday on of our servers running Xen 6.5 restarted, in /var/log/messages I found following messages: Apr 29 11:52:59 server kernel: [7476681.051566] ------------[ cut here ]------------ Apr 29 11:...
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Qubes/Xen OS: access file manager for dom0

I hope somebody more experienced with Qubes specific terminal commands can help. If the KDE manager is installed, how does one open via terminal input the file manager for 'dom0'? To browse 'Home' ...
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xen + libvirt share disks betwee VM on diferent hosts

I have another problem. what I've done is: We deploy 2 physical hosts with SLES 12 SP1 and install XEN hypervizor on both. On each host we provide few block devices via FC. On each host we ...
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Curses interface for text-mode Xen DomU's

QEMU implements an -options curses (previously -curses) flag for text-mode OSs. From the qemu(1) man page: Normally, QEMU uses SDL to display the VGA output. With this option, QEMU can display ...
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Restore a disk from a snapshot in XEN 4.6

I created a snapshot with lvcreate -n snap01.vm01 -L 5G -s vg0/vm01.eclabs.de now I did some stuff on my disk i don't want to keep and want to revert it to the snapshot point. How do I restore ...
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371 views

Networking problem with new Intel NUC

I recently got a new Intel NUC6i5SYH to replace my very old and not too powerful home server. I've installed XenServer 6.5.0 (as was on the old server) and plan to just copy over the VM's and other ...
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777 views

Install Xen 4.6 on Debian jessie

I need to install Xen with LVM on my dedicated root server. The current version Xen 4.4 in Debian jessie does not support the new Skylake intel processors. I tried Debian stretch, which has Xen 4.6 ...
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Xen DomU PV - how do I get graphics?

Both Dom0 and DomU are Arch linux. Because Xorg :0 -configure results in video card not found as I'm in a DomU, I created a xorg config file. /etc/X11/xorg.conf.d/10-monitor.conf Section "Monitor" ...
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How do I boot into Ubuntu 12.10 or higher WITHOUT using grub2, but just grub?

I have a machine I SSH into on a Rackspace virtual XEN environment originally built as Ubuntu 11.04, but I have since upgraded to 12.04 with a grub 1.99 on menu.lst, not a grub2. The do-release-...
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How to extend a windows volume on xen xm virtual server

I have inherited a Xen virtual server running debian 2.6.32. I have two windows hosts and one of them needs more disk space. I am thinking I should be able to rob a few GB from one of the windows ...
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204 views

Should I use KVM or Xen ? What are the main differences? [closed]

I've spent a few hours trying to understand the differences between KVM and Xen without much succes. So both are Type 1 Hypervisors with comparable performances (source) and I don't understand what ...
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Running QEMU inside XEN virtual machine

Is it possible to run QEMU inside XEN virtual machine? I tried to enable the XEN nested virtualization for with following options to virtual machine configuration file in /etc/xen/vm1.cfg: hap=1 ...
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How can I trigger scripts on a virtual machine when I insert a CD or DVD in the host?

I have a PC running XenServer 6.2.0 It hosts, among others, an Ubuntu VM that I configured to rip and copy my CD/DVD collection to the NAS hosting my media collection. What I would like it to do on ...
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191 views

Installing Xorg on ASRock AM1H-ITX (Xen DomU Arch-Linux LXQT): startx and no screens

Dom0: Arch Linux DomU: Arch Linux The problem seems to be that the DomU can't find the Video Card. inxi -F (DomU) System: Host: ArkOS_Dev Kernel: 4.2.5-1-ARCH x86_64 (64 bit) Console: tty 0 ...
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78 views

How to debug Xen dom0 sluggishness?

Some months ago I ran an helloworld MirageOS app on Xen on my machine without any problem, now I wanted to get back into using Xen, but I have some issues. Plenty of things changed: The previous ...
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Networking issues after XEN guest migration

Yesterday, after mirgation of my CentOS 5.3 VPS from ISP to my own local XEN, I was a little bit complicated: after changing all network settings inside: /etc/sysconfig/network-scripts/ifcfg-eth0 (...
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75 views

xl create problem with Arch Linux, Xen, DomU LVM

This is still my first time setting up a DomU. With Dom0 being Arch Linux and DomU as well. I recently figured out that I would need an LVM for my setup as I want at least two partitions (root + swap)....
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22 views

how can I create filesystem on the additional drive

I have a dedicated server with Xen virtualization and I have many VPSs on it I requested from datacenter(Hetzner) to add another HDD but now how can I setup the additional HDD to use it for creating ...
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73 views

Boot problem with grub; Arch Linux, Xen, DomU

Inside my Dom0 My error log: sudo xl create /etc/xen/arkOS-Dev_PV.cfg /var/log/xen/bootloader.1.log pyGRUB version 0.6 ┌────────────────────────────────────────────────────────────────────────...
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269 views

Boot problem with grub; Arch Linux, Xen, Dom0

After installing Arch I installed grub with these commands: pacman -S grub grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=grub --recheck grub-mkconfig -o /boot/grub/grub.cfg ...
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Where to find information about tests from Phoronix test suite?

Phoronix Test Suite is a linux benchmarking tool made of tests and suites of tests. To print all available test phoronix-test-suite list-available-tests To print all available suites phoronix-...
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Is the running Xen Suse OS just Dom0?

When I select "Xen" option during Suse boot which has installed "Xen" tools: Is the running OS just Dom0?
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385 views

Xen error: “xl list” complains about libxl

After having installed Xen on Arch Linux, I cannot issue any xl commands, getting this error: xc: error: Could not obtain handle on privileged command interface (2 = No such file or directory): ...
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bridge does now work in Xen-4.5.1 on centos

I installed Xen-4.5.1 on CentOS6.5 and create a bridge "xenbr0" and modified ifcfg-eth0 at the same time. ifconfig eth0 Link encap:Ethernet HWaddr 00:1E:67:12:83:B4 inet6 addr: fe80::...
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How to start xend service automatically on boot?

I am trying to auto-start xend and xendomain service automatically on boot as soon as I log into XEN-dom0 (on Ubuntu server 12.04 x64) so that when I type : sudo xm list the hypervisor lists me all ...
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186 views

Dump XEN guest memory image

I am new into memory forensics thing and I am trying to dump a memory image from a XEN guest (Ubuntu 12.04 x64 - domU) in order to analyze it on dom0 (Ubuntu server 12.04 x64) with volatility . For ...
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How to run Windows with GPU virtualization?

A year ago I switched to Ubuntu for my primary OS, which has worked out just fine. Every now and then I want to play computer games and while using Wine often works, I can't get all of the games that ...
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269 views

CentOS 6.7: cannot disable netfilter for Xen bridge

Following sysctl.conf settings at Xen host does not work: net.bridge.bridge-nf-call-arptables = 0 net.bridge.bridge-nf-call-ip6tables = 0 net.bridge.bridge-nf-call-iptables = 0 # sysctl -p ... ...
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136 views

Is it possible to read PVclock from user space?

Is it possible to read clocksource xen or kvmclock using some user space tool? Referring to /sys/devices/system/clocksource/clocksource0/current_clocksource. Reading the actual value of the pvclock. ...
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32 views

Old Xen Installation Unable to be Formatted

I recently tried to format a disk that had an old Ubuntu 14.04 partition and a Xen Swap Disk partition. I am currently running the Ubuntu Live CD and trying to access my partitions on the drive for ...
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283 views

How to deallocate extents of physical volume? lvm, encrypted

I just install Debian 8.1. I allocated almost all disk 300 GiB to encrypted partition and a little bit for boot. I want to make smaller 50GiB encrypted physical volume and install different xen OS to ...
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Is it possible to install Xen on a computer (processor supports virtualization) alongside Ubuntu and Windows?

The computer currently triple boots Ubuntu and a couple of Windows versions. Now I want to add Xen into the mix. Would it work if I simply made a new partition for Xen, or does it need to take over ...
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219 views

Systemd will not start xenstored, xenconsoled, and xendomains

I am running a Gentoo installation and recently moved to systemd and whenever I boot with Xen, I cannot issue any xl commands, getting this error: xc: error: Could not obtain handle on privileged ...
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run FreeBSD 10 (as guest) under Xen on Linux

I have my Linux/Debian/Sid amd64 (with i7 3770K, 16Gb RAM, 1 SSD + 2 hard disks) PC with xen (notably I have installed a package xen-linux-system-amd64), so sudo xen list Name ...
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Is there any documentation on network booting Xen?

I can find lots of discussion on netbooting guest operating systems under Xen, but I am having trouble finding info on how to netboot xen itself (dom0 too would be nice)
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How to route the traffic from machine 1 to machine 3 via machine 2 and vice versa, on the same subnet?

I've a Citrix Xenserver where I'm running VMs. I have three VMs there, and they have 2 NICs each: eth0 is my company LAN which I'm using for management, and eth1 is a "single-server private network" ...
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606 views

Xen libvirt access for non-root user

I've installed Xen and libvirt on a CentOS 6.6 machine. All the tools (virt-manager, virsh etc) work perfectly as root (directly or via sudo) but I cannot allow another user to connect (failed to ...
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273 views

Cannot get vga-passthrough working with xen-4.5

I tried different Xen versions, the results are similar: vga-passthrough does not work. I can start a domU in hvm mode and connect with vnc but I cannot get it to work on my GPU I did add the cards ...
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164 views

Xen Kernel - SCSI_WAIT_SCAN Module

We've recently deployed a HP ProLiant DL180 Gen9 with 12 x Intel 530 SSD Drives. The system is running RAID-10 on top of HP Smart Array P840. Our aim was to use Xen on this server. However, when the ...
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785 views

Systemd hangs in Xen Dom0 immediately after switch_root in boot process

I've been trying to set up Xen to work with UEFI and my Arch Linux install (3.18.2) as a Dom0 but have been unable to boot. Of note is the fact that it will boot completely fine otherwise, just not ...
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363 views

Experimenting with Xen on already running Debian without LVM

A co-worker of mine was telling me about using Xen for virtualizing systems on Debian, and it peaked my interest. I looked up the instructions on Debian's Wiki regarding installation. I already have ...