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

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2
votes
2answers
3k views

Why do we need an IP address for a bridge?

A bridge is a layer 2 network device. On physical bridges we only have an IP address for operation and maintenance. I'm a little bit confused why we need in KVM an IP address for the bridge. I ...
0
votes
2answers
121 views

Why physical host nic can't be used in KVM

Why bridged networking is required for guest vm's in KVM ? Why we can't use the host nic to provide networking for guests.
18
votes
4answers
39k views

get rid of kvm: disabled by bios

I'm getting a message: kvm:disabled by bios after upgrading my kernel to 3.8.x. I've never installed kvm package.neither I can enable virtualization from my bios, because of a bios bug. I wish I ...
2
votes
2answers
148 views

Is it possible to install Landscape openstack in virtual machine?

I tried to install ubuntu landscape openstack in virtual machine for test purposes and to undrestand how does it work, but it does not work. I followed the official ubuntu tutorial ...
0
votes
0answers
20 views

Is it possible to install something similar to VMware tools in a KVM virtual machine?

Is it possible to install something similar to VMware tools in a KVM virtual machine? In particular, are there video card drivers for the guest OS to enhance it's video capabilities, apart from the ...
0
votes
1answer
12 views

Where is the list of supported device emulations in KVM?

I am configuring a guest VM under libvirt using virsh edit. The source of the kernel running in the VM is an embedded security device where I have no control over what drivers it comes with. In ...
0
votes
1answer
12 views

How to improve the performance of Windows guests running in KVM?

How can I improve the performance of Windows guests running in KVM? In particular, disk IO and video performance.
0
votes
0answers
14 views

KVM/Spice/Remote-Viewer: Need assistance troubleshooting USB redirection

Bottom line up front: I'm unable to redirect USB from my desktop to the VM. 'USB Device Selection ' is always grayed out in Remote-Viewer and in full screen it says that 'USB redirection support not ...
0
votes
1answer
3k views

How to make LTSP log into the Windows 7 VM

I have managed to install Ubuntu server and Mythbuntu and a remote front-end. Now I think it could be nice to integrate my Windows machine with the server and use Linux Terminal Server Project (LTSP) ...
0
votes
0answers
25 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 ...
0
votes
0answers
62 views

How can KVM be located by Android Studio on Ubuntu 14.04 LTS

When running the emulator, Android Studio reports the following message: Please ensure KVM is properly installed and usable. CPU acceleration status: KVM is not installed on this machine ...
0
votes
0answers
7 views

Make libvirt/qemu VNC take an interface name instead of a fixed IP address

I rely on VNC to communicate to my VMs from an external system, so in the XML description file I have something like this: <graphics type='vnc' port='-1' autoport='yes' listen='10.1.1.199' ...
0
votes
0answers
26 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
votes
0answers
16 views

How to install qemu-kvm from source

I previously installed kvm via apt-get. Then I install qemu from source via following steps: wget http://wiki.qemu.org/download/qemu-2.1.91.tar.bz2 cd qemu-2.1.91 ./configure make && make ...
0
votes
1answer
5k views

Install KVM on Ubuntu 13.10 server

How do I install/enable KVM on Ubuntu 13.10 server? I executed the following steps egrep -c ‘(svm|vmx)’ /proc/cpuinfo sudo apt-get install qemu-kvm libvirt-bin bridge-utils virt-manager sudo adduser ...
0
votes
0answers
10 views

How do I make Unity interface and all of Ubuntu use CPU rendering only

I want to use a KVM emulation technique which grabs the graphic card as if it weren't being passed by ubuntu, just grabs it 100%. such a technique allows you to install the graphical driver on the ...
0
votes
0answers
24 views

Moving KVM data to my home folder

Is there a way to move all KVM data (machines, images. etc..) to my home folder? Using Ubuntu 14.04.
0
votes
1answer
3k views

How to check which version of KVM I am running?

I have installed KVM using the instructions given on the wiki. However, when I try to check its version using kvm --version what I get as output is this QEMU emulator version 1.2.0 ...
-1
votes
0answers
22 views

global ip address packets don't pass from tap interface to the virtual machine

i have a config: p6p1(physical nic, connected to isp with no addr promisc) -> pppbr0 (bridge with no addr promisc) -> tap0 (with no addr promisc connected to a vm) iptables configured: iptables -A ...
0
votes
0answers
17 views

Not able to start StartX on Ubuntu Server configured inside KVM

I have Ubuntu Server installed as guest OS inside KVM. I also installed Ubuntu Desktop on top of that but now when I am trying to start GUI using StartX, I am getting below message and my screen ...
0
votes
0answers
102 views

lxc/kvm containers fail to start

I have MAAS+Juju setup ready and was successfully able to deploy some openstack charms on specific machines. Then, I read that its safe and good practice to place these openstack charms in their own ...
5
votes
1answer
9k views

virt-manager can't connect to libvirt

I'm running Ubuntu 12.04.2 32 bits. The error doesn't show up if I start gksudo virt-manager. libvirt-bin is installed. I don't know how to check for the daemon. I am a member of libvirtd. ...
0
votes
0answers
23 views

My Ip address keeps changing each time I restart my virtual computer

I have a KVM configured running two VMs with almost exact characteristics, the main difference is the service they provide. The IP network is obtained via DHCP(I have configured a bridge in the KVM) ...
0
votes
0answers
48 views

Bridge wireless and ethernet to KVM

I've just installed a new laptop with Ubuntu 14.10 Desktop and I'd like to get try and get KVM running so that I can host a couple of guest VM's. The problem is I can't figure out how to configure the ...
1
vote
1answer
126 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 ...
0
votes
0answers
18 views

Snapshot revert fails in my KVM setup

I am trying to revert a snapshot and I am getting the below error message in my KVM setup . Reverting to a snapshot is failing. #virsh snapshot-revert TestImg Deployed-Stage --force error: An error ...
-1
votes
1answer
41 views

Routing Problem OpenVPN / KVM

I've set up a rented root server with KVM and OpenVPN. In order to administrate VMs without a public IP the VM guests are connected to a Host/Guest private network: 10.10.10.0. Now i want to access a ...
0
votes
0answers
19 views

KVM Virtual Machine Internet not working on dedicate server

I have installed Ubuntu 12.04 with kvm installation and cloudmin but the internet is not working on virtual machine, can anyone help me please. I have also tried iptables -t nat -A POSTROUTING -s ...
0
votes
2answers
79 views

Can not start the Virtual Machine No KVM Installed

Ok so my Server Crashed Y'day. So I bought a another WS and plug in the HDD's. Booted up did very little changes and everything was working fine EXCEPT!!! the Virtual Machines inside VMM and the VM ...
0
votes
1answer
20 views

What is uvtool second virtual disk for?

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
votes
0answers
35 views

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. ...
0
votes
1answer
25 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 ...
0
votes
0answers
30 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 ...
0
votes
1answer
68 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 ...
2
votes
1answer
344 views

how to disable kvm for installing VMware player

when i was going to install VMware player a massage has shown You can not install a system with KVM enable. My processor is amd phenom ii x6 1100t. so how can i disable KVM on my system. I am ...
4
votes
1answer
11k views

How to share a folder between KVM host and guest using virt-manager?

For some time now, I've been using virt-manager to manage my virtual machines. When I want to copy a file from the host to the vm, I have been using scp to copy via ssh over the network. This is kind ...
1
vote
0answers
46 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 ...
0
votes
0answers
46 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 ...
1
vote
1answer
92 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 ...
0
votes
0answers
69 views

graphics error running xubu guest in KVM

I am running crunchbang and want to install xubuntu (13.10 atm) as VM using kvm. I got everything installed and updated but the display/resolution is incorrect and it makes using the VM virtually ...
0
votes
1answer
343 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 ...
0
votes
1answer
196 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 ...
0
votes
0answers
30 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
votes
1answer
23 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. ...
2
votes
0answers
267 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
vote
1answer
160 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 ...
1
vote
1answer
4k views

virt-manager USB 2.0 problem

I have an Ubuntu 12.04 64bit with QEMU/KVM & virt-manager 0.9.4 (latest compiled from source) installed my problem is that all guest windows machines does not recognize usb2.0 ports: windows xp ...
1
vote
0answers
77 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 ...
0
votes
1answer
145 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. ...
0
votes
0answers
42 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 ...