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

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0
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1answer
564 views

Setting up VMs on different subnets

I run a server on IP X.Y.3.7 and i want to run multiple VMs on it using libvirt. I set up a bridge device: auto eth0 iface eth0 inet manual auto br0 iface br0 inet static address X.Y.3.7 ...
0
votes
1answer
1k views

KVM Virtual Machine Manager: Host CPU does not provide required features: aes

I am using Ubuntu 12.04 64-bit. I am using OpenStack. The service is all working, but nova service is not working. Some got error is: hardware not supported, so I changed Processor -> Configuration -> ...
0
votes
1answer
374 views

compile and install modified kernel

I have made some changes to the vmx.c file of the kernel. Now I am using make menuconfig followed by make -j 5 command to compile the modified kernel(No errors just a warning..) Now I am using ...
0
votes
1answer
147 views

How to enable virtualization on Lenovo Z500?

I have downloaded the Kernel 3.13.6 from kernel.org and installed in the system. Updated the BIOS and then enabled the virtualization in the bios settings. Now I have used the command sudo kvm-ok ...
0
votes
0answers
13 views

On startup [number] kvm: disabled by bios [duplicate]

When I start ubuntu 12.04 it says [number]kvm : disabled by bios. How can I fix it? Also there is a quick black screen flash on shutdown which states unable to run [something]. It flashes too fast so ...
13
votes
2answers
6k views

How do I set up a KVM/NVidia Passthrough virtual machine for gaming?

I've seen a guide or two that seems to be replicated around on the internet on setting up KVM to use passthrough for Nvidia. It seems to require 2 video cards. Is it possible to do it with 1 video ...
1
vote
1answer
302 views

Create a virtual machine and connect to it command line

I'm running an Ubuntu 14.04 server, and would like it to also run another 14.04 server instance in a VM on it. (I need to use two VPNs on the same machine simultaneously) I've tried using both KVM ...
1
vote
1answer
327 views

Could not ping Solaris KVM Guest from another computer

I setup Solaris Guest using KVM in Ubuntu. I don't have problem pinging host (Ubuntu) to guest (Solaris) and vice versa. Also my Solaris guest can ping other computers in my network but not the other ...
1
vote
0answers
29 views

KVM image size has changed?

We had a 180GB VM image. Inside the guest VM everything is OK and hdd size is 180G. but when we look the image size on the host it is 475MB. I am afraid that if we restart, the VM wouldn't work. I ...
2
votes
2answers
7k views

How to share a directory between ubuntu host and windows guest with kvm?

I read several posts or articles which deal with this but all give a solution for linux guest. For example : http://www.linux-kvm.org/page/9p_virtio http://troglobit.com/blog/2013/07/05/file-system-...
0
votes
1answer
721 views

Ubuntu 14.04 kvm instance has low resolution

I have a kvm guest instance of Ubuntu 14.04 running with a vga type video device. I do not have a /etc/X11/xorg.conf file, I am letting X autoconfigure the video and all devices. When X comes up, the ...
3
votes
0answers
739 views

KVM-Guest only boots single user mode

We have a Vserver Host running on Ubuntu 12.04 with KVM/QEMU and so far guests been running fine with various OS's (Ubuntu 10.04, 12.10, Debian 6,7, CentOS 5,6). After the installation of Ubuntu 14....
0
votes
1answer
893 views

Guest on kvm wont detect disk even after seleting virtio drivers

Recently update to Ubuntu 14.04, and now using kvm but hit a wall. I'm trying to install a win8.1 64 bits virtual machine. I follow this tutorial, https://www.youtube.com/watch?v=fMXctyhcrfs, ...
0
votes
1answer
120 views

I can't create more than one virtual machine with vmbuilder

I'm testing the creation of virtual machines with Ubuntu. The first virtual machine was created with the default settings and is called ubuntu: virsh --connect qemu:///system list --all Id Name ...
1
vote
1answer
5k views

KVM Virtual Machine Manager: sharing folders not working

I've created an Ubuntu VM inside my Ubuntu using Virtual Machine Manager. I'm trying to mount a host directory in guest OS but it's not working. I used the instructions provided here: http://troglobit....
2
votes
1answer
4k views

How to list all virtual machines created using qemu-system-x86_64?

I am using qemu-system-x86_64 to boot virtual machines on kvm running on Ubuntu 12.04 64-bit desktop. I have a few VM's that are currently running. I want to get the list of all VM's booted using qemu-...
1
vote
1answer
248 views

Howto make “update-grub” to ignore guest volumes on a KVM Hypervisor?

I have some Ubuntus acting as a KVM Hypervisor and, every time I run "update-grub" on those servers, it takes a lot of time to finish and makes too much disk IO. I'm seeing that it tries to find ...
1
vote
2answers
1k views

How to use setvcpus from libvirt command line?

I'm using libvirt with KVM/QEMU. I found a great PPA, uvtool (http://s3hh.wordpress.com/2013/12/12/quickly-run-ubuntu-cloud-images-locally-using-uvtool/), that manages images and metadata in a volume ...
2
votes
1answer
2k views

Creating Virtual Machines using ubuntu-vm-builder

I'm currently trying to install virtual machines on my Ubuntu Server 13.10. I followed the instructions from this guide. I was able to install and check if my machine is is supported how ever when I ...
4
votes
1answer
136 views

How do I run a PXE server?

I'm going to run several virtual machines with KVM virtualization. In order to install guest systems over PXE protocol, I am going to run a PXE server on my host machine (I'm not doing it wrong, am I?)...
-1
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2answers
87 views

What are virtualization and KVM?

Can anyone explain this: What is virtualization? What KVM Kernel Virtual Machine?
1
vote
1answer
339 views

Error while creating qcow2 file using qemu-img

When I am creating an qcow2 file using qemu-img command I am getting error as librbd.so.1 file not found. When I check for the dependencies that .so file is present in the /usr/lib folder. Can any ...
0
votes
1answer
456 views

how to create an empty virtual machine without os in kvm?

Can any one help me to create virtual machine in kvm hypervisor without os. Just the vm should have 8GB disk, 512 MB RAM and default NIC interface.
0
votes
1answer
57 views

Is it wise to run computing virtual machines on KVM?

I have a physical server with 384GB memory. My main applications are to run CPU and I/O intensive programs. I could run everything on the physical server. But I'm wondering if it is better to host a ...
5
votes
2answers
1k views

Add armhf as a suppoted architecture for guest KVM VMs (on a amd64 host)

I have an Ubuntu Server 12.04 setup with about 6 KVM VMs running. Guests are all x86 or amd64, host is a 2-socket Westmere Xeon box. Now I want to create a new guest VM but this time the guest VM ...
0
votes
1answer
43 views

Does each KVM Guest need its own ISO

Does each KVM guest require its own copy of the bootable ISO image? If I'm thinking correctly, the guest only needs to read the .iso, not lock it or anything, so multiple guests should be able to use ...
1
vote
3answers
4k views

How to completely remove virsh from Ubuntu

How to uninstall virsh from Ubuntu 13.10 server. I have already removed libvirt-bin, qemu and kvm but virsh is still running. I used following command to remove libvirt-bin. apt-get remove --purge ...
0
votes
2answers
557 views

/etc/network/interfaces configuration messed up

I'm trying to setup a virtualized server up with KVM on my OVH server. However, when configuring the network, I'm encountering some issues. Any help in any form is greatly appreciated! This is my ...
1
vote
0answers
716 views

Virtualizing Windows 7 with qemu-kvm SATA Issues

I am working on virtualizing a windows 7 image using kvm on Ubuntu 12.10 64 bit. Here are the specs for my machine: CPU: Intel i7-2860WM ,8G RAM I am using an image created with WinImage of a ...
0
votes
1answer
136 views

KVM and port security

In my test environment I get everything working perfectly the way I want it. Running Cloudmin KVM instances over a bridged adapter. Then when it comes time to install at the data center I hit a brick ...
1
vote
1answer
505 views

Accessing Windows 7 QEMU/KVM Virtual Machine on portable via spice from another machine

I am running Lubuntu 13.04 on a Samsung series 9 laptop. I installed windows 7 as a virtual machine running under qemu/kvm. I am able to display the virtual machine from Lubuntu on the host ...
0
votes
1answer
1k views

Web Control Panel for KVM [closed]

I need Web Control Panel for KVM that is compatible with Ubuntu 12.04 or higher. SolusVM, Virtualizor isn't compatible with Ubuntu.
3
votes
3answers
5k views

VirtualBox and KVM beside each other

I have a KVM virtual run on my machine. I tried a while ago to install VirtualBox..Anyway i did it and install bu when i tried to start the machine i got the error: VERR_VMX_IN_VMX_ROOT_MODE I ...
0
votes
1answer
240 views

Mysterious multicast packets after bridging a bond0

I've got 2 interfaces eth0 and eth1 in a bonding (mode 4). Now I want working with kvm and let the instances communicate over a bridge br0. Now my config changes. From this...: auto eth0 iface eth0 ...
0
votes
1answer
638 views

Virtual machine in two subnets

I'm coming from networking where a router/switch has a separate interface for management. Therefore I want to understand how this is implemented for servers/virtualized servers. I have one subnet ...
0
votes
1answer
2k views

IP address on virtual bridge?

I would like to configure a static IP address on the virtual machine. This interface should be connected to one of the host physical interfaces via a bridge. If I have understood the documentation ...
1
vote
1answer
282 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 ...
6
votes
2answers
11k 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
vote
1answer
657 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 ...
0
votes
3answers
3k 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 ...
0
votes
2answers
102 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 ...
0
votes
1answer
295 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 ...
1
vote
1answer
564 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 ...
0
votes
1answer
405 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 ...
0
votes
1answer
1k 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 ...
3
votes
0answers
341 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 ...
1
vote
2answers
7k 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 -...
1
vote
2answers
14k 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 (qemu-kvm-1.2.0+...
0
votes
1answer
404 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 ...
0
votes
1answer
487 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 ...