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

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1answer
103 views

How to define clone presets to virt-manager

When using virt-manager 0.9.1 to clone existing machines, it ignores that the virtual disks are qcow2 compressed and sparsed. The cloned virtual disks are non-sparsed and in raw format. I know about ...
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2answers
1k 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 ...
1
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1answer
167 views

virt-manager pool not updating (iscsi_discovery issue related?)

I have an Ubuntu 12.04LTS server running KVM and SAN a with iSCSI targets. I am having issues with the virt-mamager refreshing the list of volumes in the storage pool. I have tried pushing the ...
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3answers
976 views

AMD-V is being used by another hypervisor. (VERR_SVM_IN_USE)

When I try to open any OS on Oracle VirtualBox an error accurate. Failed to open a session for the virtual machine xp efendi. AMD-V is being used by another hypervisor. (VERR_SVM_IN_USE). VirtualBox ...
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2answers
59 views

kvm: disabled my bios message. delete current install then install via usb drive?

I'm currently getting the kvm: disabled by BIOS message and all I want to do is reinstall. Would it be possible to delete my current OS and use my Live USB to install it once more? I can't access my ...
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1answer
95 views

kvm: disabled by bios when trying to upgrade

I'm attempting to switch from 12.04 (amd specific), to 12.04 (Intel Specific), and I'm getting a kvm: disabled by bios message when I boot up. I'm not sure what to do. I've searched for this ...
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0answers
36 views

vmbuilder preallocate disk space

When creating a VM with VMBuilder how can I preallocate the disk space? I'm currently using the format below to create a VM which should create a 10GB root disk (and it does), the only problem i'm ...
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0answers
73 views

ubuntu vm launcher and topbar not displaying properly in kvm

I am new to kvm. I installed a ubuntu vm on ubuntu host earlier and there was no problem. But that vm had to be completely reinstalled after some experimentation messed it up. Everything went well ...
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1answer
188 views

Routing Host Traffic through KVM Guest

I'm trying to get my host to route its traffic through a KVM guest(Untangle), but I'm not having any luck with basic IP table rules. Right now, I have all traffic being received by the host on eth2 ...
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0answers
89 views

How to free the memory used by qemu-system_x86_64 after guest is shutoff?(kvm)

I have KVM installed and I use virt-manager to manage the guests. After I have shut off all the guests, I still see qemu-system-x86_64 processes in my system, they take a lot of memory. Is there a way ...
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1answer
114 views

How to uninstall VMs installed with ubuntu-vm-builder

How do I list (and uninstall) VMs installed with ubuntu-vm-builder but NOT with virsh? Details Whilst following this guide, I was keen to get started and typed in: sudo ubuntu-vm-builder kvm ...
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1answer
366 views

Automate Ubuntu 12.04 vm in kvm

I am trying to automate using virt-install + preseed, ubuntu12.04 vm's with kvm. I need the vm's to be hosted on specific lvm volumes I had created for each one. When I run the script I get: ERROR ...
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0answers
160 views

How do I make wireless bridged networking work with linux guest in kvm/qemu?

I am running the ubuntu 13.10 cloud image on kvm/qemu. The guest networking works fine operating in NAT mode when on wireless. Wired bridged networking (eth0 + macvtap) works fine as well. When ...
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0answers
134 views

Cloudstack Networking Issue

I'm experiencing problems in Cloudstack 4.2 installation on both Ubuntu Server 12.04 and 13.10. Installed Cloudstack Management Controller and a KVM host in two separate boxes Cloudstack ...
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0answers
141 views

How to save all KVM-guests on shut down or restart?

I wrote a short script which was supposed to save the state of all my running KVM-machines (save-vms.sh): #! /bin/sh suspend_vms () { for output in $(virsh list --state-running --uuid) do ...
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1answer
1k views

How to uninstall KVM

I need to completely remove KVM from my Ubuntu desktop, but even after removing the kvm packages, when I run the following command: virsh -c qemu:///system list it shows: Id Name State ...
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0answers
74 views

sheepdog cluster

I'm using a Ubuntu 13.10 Touch with a Mate Desktop on a 32-bit Arm-System and have installed qemu and sheepdog, to use sheepdog in a 32-Bit system i have this Skript ...
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1answer
2k 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 ...
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1answer
191 views

KVM CPUand some Video Card Problems

On boot I get these errors: This CPU is not supported by this model and kvm disabled by bios Here is my system specs: AMD FX 8120 M5a78l-m LX ATI Radeon HD6850 8gb ram(used memtest no problem ...
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0answers
63 views

how to rename a node of a KVM server

I am facing an issue in renaming a node; I have a KVM server(base server) on which I have 5 virtualized nodes as follows: # virsh list --all Id Name State ...
0
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1answer
224 views

“kvm disabled by bios” when installing in a Packard Bell

Packard Bell computers seem to have an issue installing Ubuntu. To get it to actually load the installation disk I had to go into the bios settings and boot settings and change type to legacy and turn ...
0
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1answer
94 views

Linux-KVM “broken” after a motherboard swap

I just had the motherboard replaced in a Dell PowerEdge R410 that functions as one of our virtual servers (running Ubuntu 10.04.3 LTS). I'm fairly new to Linux, and was quite surprised when networking ...
1
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1answer
85 views

Run KVM guest from tty

I would like to run a KVM guest from a tty without any X server or graphical elements running. What command do I use to do this if it's possible? Will running the command give different results in ...
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2answers
71 views

Can Juju connect services that are in different environments?

Background: I'm trying to get Openstack working with Juju. I'm testing it, so I either have to use KVM virtualization or LXC because I only have one (powerful) machine. I would prefer to use LXC ...
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0answers
90 views

Is it possible to load a virtual machine disk image over NFS without moving the entire image over the network at once?

My understanding of the situation is more limited than I'd like, but it appears that I can, for example. PXE boot a live CD and have the squashfs volume be random access over the NFS share. I would ...
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1answer
1k views

How to troubleshoot a macvtap network in kvm/virt-manager

I have a virtual machine running under qemu-kvm, on a 13.10 host. I am using virt-manager to define the machine, and I have added a virtual NIC, using the new macvtap driver. I have the following ...
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0answers
67 views

KVM guest priority starting

I have 2 guests on my KVM Virtual Machine Manager (debian1 and debian2). I need to start debian1 always first, so I want disable starting debian2 before debian1. Is it possible? How can I make it? ...
0
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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 ...
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0answers
287 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 ...
2
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3answers
4k views

ubuntu 13.10 kvm binary is deprecated, please use qemu-system-x86_64

I just upgrade from 13.04 to 13.10 and I have this issue when I run my KVM Unable to complete install: 'internal error: process exited while connecting to monitor: W: kvm binary is deprecated, please ...
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0answers
291 views

can't Install Windows 7 KVM Guest on Ubuntu 13.04 via Command Line

I’m trying to install Windows 7 Professional as a KVM guest using virt-install with an ISO file on my Ubuntu 13.04 via command line. Using the following commands: root@ziomario-Macmini:/# sudo ...
0
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1answer
459 views

How to open a qcow2 file in Ubuntu 13.04

I have cloudera-quickstart-vm-4.4.0-1-kvm.qcow2 file which I took from this site but I don't know how to play the vm. Could you please give me some hints or introduce me the proper tools?
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0answers
173 views

Add routing to guest KVM's

I have the following configured on my ubuntu host: virsh config for "passthrough" <network> <name>passthrough</name> ...
1
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1answer
309 views

running windows 7/8 as KVM virtual machine on ubuntu

I have installed ubuntu alongside windows 7/8 on my machine. Is it possible to run my windows instance as a KVM virtual machine? Do I have to install windows again in KVM?
2
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1answer
426 views

My kvm guests (domains) hang after adding swap

I've just started to use kvm on my remote server and I've already overcomed a lot of problems but now I'm stuck with this problem. : All my guests (domains) does not boot properly. They hang after ...
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0answers
80 views

Networking with two ISP

I'm trying to configure two ISP on different network cards and at the same time to use bridge in order work with virtual machines and KVM. The current network configuration can be seen below: auto lo ...
1
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1answer
381 views

Server install of kvm and openstack without broadband

I've always installed Ubuntu desktop (many versions and flavors) with a decent internet connection, but now I find myself preparing for my first-ever server install (13.04 chosen for the need of ...
2
votes
1answer
3k views

Update Qemu on Ubuntu 12.04

Currently Ubuntu 12.04 comes with Qemu 1.0, I would like to update this to a newer version (1.5/1.6) to achieve maximum performance. However there doesn't seem to be an apt package for versions > 1.0 ...
0
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1answer
103 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.
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0answers
62 views

Enable/Disable Serial Devices (COM's) for multiple VM instances via command line

I have a host computer (Ubuntu 12.04) running KVM (QEMU) which has anywhere from 1 to 10 VM's using Windows XP, Windows 7, Debian, Ubuntu etc.. From the host machine I need a way to bind serial coms ...
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0answers
336 views

Can't ping KVM guest from another computer

I've set up several KVM guest OSs on my Thinkpad laptop. These guests are all on the 192.168.122.0/24 subnet, while the host OS are in the subnet 192.168.1.0/24 together with another laptop(Dell) of ...
2
votes
2answers
9k views

Networking stop/waiting error

I wanted to set up a bridge connection for my VMs (I am using KVM). I modified my etc/network/interfaces file and its contents are: auto lo iface lo inet loopback auto br0 iface br0 inet dhcp ...
5
votes
1answer
6k 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. ...
3
votes
1answer
795 views

KVM or QEMU_KVM or QEMU_SYSTEM_x86_64 on Ubuntu 13.04

I have a clean fresh updated install of 13.04 server with no graphical display just CLI. I want to run a couple of Windows and Linux guests so did some research and it looked like KVM was the way to ...
0
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1answer
56 views

Virtualization unbuntu guest [duplicate]

I want to install ubuntu on my laptop (i7 ivy bridge 32GB mem) and run a one or two ubuntu guests. Is there a step by step guide to help me do this ?
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1answer
312 views

Can we get Xenserver VMs provisioned by MAAS?

currently i am using KVM, and KVM vms can be managed by MAAS but i am wondering, is it possible that Xenserver VMs will also work?
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0answers
66 views

Need more info on KVM disabled message

I just installed Ubuntu 13 as a DUAL Boot with WIN 7. I just installed the Nvidia proprietary drivers for my GeForce. Upon reboot I received the KVM disabled message. I googled that and see various ...
0
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1answer
926 views

MAC OS X virtualization with KVM on the mac mini : seabios error

Since I'm a legal owner of the first generation of Mac Mini with a regular Snow Leopard license,I'm trying to follow this tutorial with the goal to virtualize Mac Os X with KVM on the second part of ...
1
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0answers
391 views

virt-manager problem

I installed ubuntu 12.04 server, kernel 3.5.0-37-generic, and the ubuntu GUI afterwards. When I start virt-manager and want to create a new VM I get this warning: Error: No hypervisor options were ...
2
votes
1answer
283 views

Ceph Openstack HA installation with maas and juju but partially on physical servers and few on virtual machines

I am planning to deploy OpenStackHA which 28 servers, which is quit a lot for me. So i am thinking to put up few of roles like rabbitmq, mysql, cloud controller, horizon on virtual machines on KVM ...