Questions about the Kernel-based Virtual Machine, an open source virtualization infrastructure to use the Linux kernel as a hypervisor.

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Is it still necessary to disable KVM modules when installing VirtualBox?

I'm about to install VirtualBox in headless mode, on an Ubuntu server running 14.04. In the past it's been necessary to disable or remove KVM and Qemu, as VirtualBox will not run if they're present. ...
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1answer
251 views

Virtualization drivers for Windows guest

My idea is to run Windows 8 64-bit as a guest on a KVM platform. There's guest additions (actually drivers) for Windows so I can integrate some features (like networking) between Windows and KVM. Suse ...
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0answers
126 views

How to export the KVM based guest VM as template or ovf or some other format?

I am new to the KVM virtualization. I have deployed and configured KVM in one of my server. Also I created the guest VM successfully and installed OS on it. Its up and running without any issues. Is ...
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0answers
47 views

How to know why does ubuntu server (on the virtual machine - KVM) shuts down itself

My ubuntu server 12.04.2 LTS (GNU/Linux 3.2.0-37-generic-pae i686) shuts down by itself in different times I can't find what's causing it. It has installed on Virtual Machine Manager 0.9.1 that is ...
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1answer
162 views

What is uvtool second virtual disk for? (and how does it prevent vm snapshots…)

I am toying with uvtool to quickly create virtual machines. I once used vmbuilder, but its seems to be deprecated in favor of uvtool (or not ?). When created with uvt, my vm has two virtual disks ...
0
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1answer
368 views

libvirt error when enabling hugepages for guest

I'm trying to set up a VM using libvirt and KVM through virt-manager (and virsh command line) with hugepages support and I get an error when enabling the option in the domain XML. Don't know where the ...
1
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0answers
73 views

Server crashed but why?

could someone tell me what causes the crash of this kernel panic? This machine (14.04.1) is a virtual machine on my KVM host (14.04.1) See the screenshot My host machine has 32GB of RAM and uses ...
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0answers
201 views

KVM Can´t access VM

I have a VM that has one bridged network adapter that uses a public IP. I setup a private network for internal purposes, but after I added a private network adapter to my VM I have no external access ...
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1answer
3k views

Ubuntu 14.04 wireless network setup

I am trying to setup kvm on my laptop. These are the steps I have done so far. Uninstalled existing windows7 and installed Ubuntu 14.04 on the laptop. I have a network which provides me wireless ...
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0answers
53 views

Virt-Manager default folder and if KVM is necesary in K/Ubuntu 14.04

I want to ask two things about the Virt-Manager on Ubuntu 14.04. First. What is the default folder where the virtual machines are hosted? I have a partition in my third hard disk dedicated to that ...
0
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1answer
67 views

How to configure external IP in guest machine

How to configure an external IP into a guest machine. The host has eth0 (LAN) and eth1 (external IP). The guest machine should have a LAN ip and the external IP. The host should only have a LAN ip. ...
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1answer
1k views

Ubuntu Server 14.04.1 LTS - Non-graphical boot in Qemu-KVM (-curses)

I am trying to run an Ubuntu Server as a virtual machine using Qemu-KVM with all output beeing printed to the terminal. I have done that several years ago using the -curses option, tried it again and ...
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0answers
964 views

KVM GPU Passthrough

now i know this issue has been talked about before, but those topics are old now and slightly out dated. So I have recently been following a few different guides on getting this system working, ...
1
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1answer
363 views

Ubuntu Openstack cloud-installer error: kvm container creation failed

I'm trying to install OpenStack on an older server using the Ubuntu cloud-installer. I have virtualization enabled in BIOS and kvm-ok tells me that I'm good to use KVM with acceleration. $ kvm-ok ...
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0answers
120 views

Automount USB disk (ntfs) and use files for libvirt/qemu/kvm?

When I plugin my NTFS USB disk it gets auto-mounted. That's fine. But when I want to use files for libvirt/kvm/qemu virtualizaztion they cannot be accessed. Sadly I cannot find the parameter or option ...
1
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1answer
419 views

Cannot ping KVM Windows guest from host only

I have an Ubuntu 14.04 machine which uses KVM to host a Windows guest. After a restart I am now unable to ping the Windows guest from the host machine, to confirm everything was working perfectly up ...
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0answers
69 views

Disadvantages of installing ubuntu trough qemu/kvm

Since I am testing iso's a lot and I want to do so on real hardware, but can't stand the install process and the associated waiting time (I only have one machine) I have written a script that installs ...
0
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1answer
89 views

Using LDAP for authentication messes up my PowerKVM guest with Ubuntu 14.04.01

I was able to create a Ubuntu guest under PowerKVM and installed 14.04.1 on it. I set up ssh, telnet and set things up so I could log into the root account Then I installed the LDAP client and tried ...
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0answers
2k views

virtual machine manager kvm is not available - ubuntu 12.04

im a bit new to ubuntu i installed kvm using these commands: 1.sudo egrep '(vmx|svm)' --color=always /proc/cpuinfo output was produced like 4 times 2.sudo apt-get install kvm ubuntu-vm-builder ...
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0answers
89 views

How to force screen resolution when using a KVM

I just recently upgraded from 12.04 LTS to 14.04.1 LTS. The upgrade went smoothly without any major complaints. However, now whenever I switch to my work laptop using the KVM "toggle" and stay there ...
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0answers
91 views

Ubuntu 14.04 KVM guest issue with static IP address

I Have installed a KVM server and host in Ubuntu both with release 14.04. I did configured the server according to the wiki and it is working as expected. The issue I am having is that after ...
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0answers
533 views

Virt-Manager Problem with 14.04.1 ISO

I have recently completed an upgrade on my home server from Ubuntu 12.04 Server to 14.04 server version. I run a number of VMs using KVM and virt-manager. I also just upgraded virt-manager to 1.0.1. ...
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0answers
103 views

I wish to automate VM installation in KVM how do I?

I wish to automate VM installation in KVM how do I? My setup is as follows: Host server: Ubuntu 12.04 64 bit RAM: 48 GB HDD: 800 GB CPU: 24 I wish to install Virtual machines using automation (one ...
0
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1answer
322 views

KVM DNS Access guest by using it's hostname (ubuntu 14.04)

I have a guest machine running ubuntu 14.04 on an ubuntu 14.04 host running KVM/QEMU. Everything works fine except for one thing. Given my guest's hostname is virtual-machine-1 I would like to be able ...
0
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1answer
520 views

Multiple interface devices for KVM bridging

I have a server that I'm trying to virtualize with KVM. I'm trying to use a network bridge so that my KVM guests can have external IPs. Every time I create a bridge brctl addbr br0 brctl addif br0 ...
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1answer
181 views

iSCSI + br0 bridge + 14.04.1 Server = does not work

On one of my servers I have: USB 4GB: 1) EFI partition 2) /boot partition iSCSI 50GB (on another fileserver): 3) / partition In /etc/network/interfaces it works flawlessly if I have: auto p3p1 ...
1
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1answer
166 views

How to give a Juju charm a static ip address - wordpress

I have a wordpress charm installed via juju. In order for me to access this charm through public ip, I port forwarded the ip into my server's public ip address. Recently, the ip address of the ...
2
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1answer
982 views

Can I run Ubuntu 12.04.5 with 3.8 kernel and still have kernel security updates?

My 12.04 is asking me to update the HWE layer, but when I've made it last time all my VM stopped working correctly because of a bug in the 3.13 kernel. So I have reinstalled a clean 14.04 but the KVM ...
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0answers
164 views

Need help about Proxmox and GRUB2 on Debian

I am facing with a big problem. I am freshly installed Debian 7 on server4you dedicated server, and according to this tutorial: Link I am added the repo, installed the kernel like the tutorial said ...
0
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2answers
294 views

Installation on virtual LVM disks without partitions

I am installing an Ubuntu server in a KVM/libvirt vm with the text/console installer. I intend to hand over two LVM volumes as root and swap to the VM as virtual disks. They are detected correctly as ...
0
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0answers
33 views

Server locking up router

I have an Ubuntu server 14.04 with two kvm VM's running 12 and I am having issues with them locking up my router. I will loose all connectivity can't ssh or webmin into them and any external users ...
0
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1answer
696 views

Poor upload speed in KVM guest with virtio eth driver in OpenStack on 3.14 [closed]

After upgrading an OpenStack compute node to the 3.14 kernel, I am getting poor upload speed from all KVM guests when using virtio ethernet driver. Download speeds are unaffected and HTTP download ...
0
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1answer
577 views

How do I run Ubuntu in headless mode?

I would like to set up Ubuntu in headless mode - configured to operate without a monitor, keyboard, and mouse; probably without access to graphics hardware altogether. The rationale for this is: I ...
0
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2answers
289 views

Can I run a desktop OS in a virtual machine as if it ran on bare metal?

I would like to run a desktop Ubuntu VM on top of (desktop or server) Ubuntu host; all the while looking like it is running on the bare metal. The reason for this is I would like to relegate critical ...
0
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1answer
298 views

Error while KVM installtion in unbuntu 14.04

I am receiving an error message when trying to install a KVM virtual machine.I have provide you the complete log message below. I managed to install KVM file successfully in ubuntu 12.04 version. ...
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0answers
19 views

Can I decrease the ipv4 transmit delays in Ubuntu 14.04 for RDP on a KVM guest running over a bridge?

I'm trying to run Windows 2008 r2 as a guest with KVM. A basic KVM setup with a bridge for Guests. When using Remote Desktop to the Windows guest, the screen redraws/updates are only fast if the mouse ...
1
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0answers
21 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) ...
0
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1answer
661 views

Compile qemu-kvm, kvm - how?

I am using ubuntu 14.04 64 bits and am trying to build kvm - here is what i did according to many messages I saw on this same topic. git clone https://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git ...
5
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1answer
198 views

KVM guest performance impacted by very long virtblk disk wait times

I have several KVM guests running on Ubuntu 14.04 using libvirt. Their performance is very poor. The intermittent nature of the poor performance with an order of magnitude variability in simple ...
0
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1answer
303 views

Interfaces not created after upgrade 13.04 to 14.04

I just upgraded my server used for KVM from 13.04 to 14.04 (with 13.10 in between). Afterwards, the various sub interfaces and bridge interfaces are missing. The configuration is still present in ...
2
votes
1answer
730 views

kvm guest network problems

I had a server running kvm that was upgraded from ubuntu 13.10 to 14.04 and since the upgrade after a couple of hours (in some cases less) the guest machines (a mix of linux and windows, using both ...
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0answers
185 views

enable / disable auto-detect x.org Needed to use kvm-switch without monitor resize trouble

I would like to be able to disable the auto-detecting of the monitor. Or at least the system would ask me permission to use auto-detect. Reason Reason when using a KVM-switch the monitor resizes to ...
0
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0answers
234 views

[14.04][kvm] Windows 2008 R2 SP1 Virtio 0.1-81: Becomes slow unexpectedly, CPU 100%

Ubuntu 14.04 Server kvm 1.0.3 Virtio 0.1-81 Windows 2008 R2 SP1 on guest becomes slow unexpectedly. Ubuntu 14.04 Server qemu-kvm 2.0.0+dfsg-2ubuntu1. amd64 libvirt-bin 1.2.2-0ubuntu13.1 Linux ...
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0answers
51 views

Deploy ubuntu with MAAS fails

I have a problem with the Ubuntu deploying with MAAS. I'm trying to install Ubuntu on a KVM virtual machine. The boot with pxe works, I see the login prompt during the deploying, the server connect ...
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2answers
3k views

Playing game emulators on a virtualized OS (Qemu/KVM)

I'm planning on assembling a machine for development testing and all kinds of software emulation. I already know what to choose in terms of hardware, and my initial idea is installing Ubuntu as the ...
0
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1answer
313 views

Hosting 12.04 guest on 14.04 server with KVM & libvirt

I've been pulling my hair out trying to get Ubuntu 12.04LTS server (64bit) working under a standard KVM/libvirt setup on Ubuntu 14.04. I can create a new virtual machine using virt-manager and run ...
2
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1answer
903 views

virsh snapshot-create-as gives “unable to execute QEMU command `transaction`”

I have an Ubuntu 12.04 Server that hosts several virtual machines. I want to make backups of these VM's using the snapshot mechanism. The purpose of these snapshots is to have a backup on an external ...
2
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0answers
573 views

Ubuntu 14.04: with bridge on wlan, no internet on kvm guests

I'm trying to be a "high-lander" sticking to KVM plus virt-manager to manage my VMs. But it's about a week I'm around trying to create a bridge that works for using with my VMs. I tried first tried ...
0
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0answers
249 views

Unable to migrate vm from redhat to ubuntu using virsh migrate

I'm unable to migrate the VM from Redhat to Ubuntu using the virsh migrate due to following error. Any suggestions on how to debug this issue. virsh migrate --live --verbose --persistent vm1 ...
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0answers
30 views

unable to make two ubuntu machines interact after connecting with synergy?

I have ubuntu 14.04, and synergy 1.4.12 on both machines. I was able to make them connect (was not straight forward tho). I created the same hotkey to switch to "left" machine, on both server and ...