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

learn more… | top users | synonyms

0
votes
0answers
5 views

LXC CPU and I/O priority alongside with KVM

I am switching most of my linux guests to LXC. In KVM i configured priorities with a script and config. The script just executed nice and ionice commands to kvm pid. Now I have LXC with linux and ...
0
votes
0answers
4 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 ...
0
votes
0answers
6 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 ...
0
votes
0answers
16 views

Why does suspending my laptop kill random kvm guest machines [on hold]

When I first began using the early 14.04 installers for making KVM guest machines on my 12.04 laptop I discovered that, occasionally. after resuming my session from suspend, one of more of them would ...
0
votes
0answers
17 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. ...
0
votes
0answers
28 views

Setting up VGA Passthrough on Ubuntu with KVM : error no iommu_group for device qemu-system-x86_64 [on hold]

I'm trying to configure the VGA Passthrough on the Debian SID because I want to use Debian on the first monitor and Windows 7/8 on the other one. I have tried with XEN and with KVM but in both case I ...
0
votes
0answers
8 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
votes
1answer
29 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
votes
1answer
20 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 ...
0
votes
1answer
33 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
vote
0answers
32 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 ...
1
vote
1answer
134 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 ...
0
votes
0answers
20 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
votes
2answers
47 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
votes
0answers
20 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
1answer
70 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
votes
1answer
70 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
votes
2answers
83 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
votes
0answers
51 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
10 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
vote
0answers
10 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) ...
-1
votes
1answer
67 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 ...
2
votes
0answers
44 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
votes
1answer
56 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
111 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 ...
0
votes
0answers
28 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
votes
0answers
108 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 ...
1
vote
0answers
22 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 ...
0
votes
1answer
116 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
votes
1answer
111 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 ...
0
votes
1answer
132 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 ...
0
votes
0answers
126 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
votes
0answers
52 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 ...
0
votes
0answers
9 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 ...
0
votes
0answers
45 views

How to add a USB HDD to a virtual machine created using VMware Player?

I have a 2 Virtual Machines running on Virtual Machine Manager & VM Player 6, on Ubuntu Server 12.04 LTS. I have connected 2 USB HDD Drives which have been detected by Ubuntu (Host) but neither ...
3
votes
2answers
170 views

MAAS: Unable to start “Commisioned” nodes

I am having problems while trying to start my first node using KVM (QEMU 2.0.0) and MAAS. Automatic detection worked fine, and during the commission (virtual machine window) I get errors such as: ...
0
votes
0answers
93 views

VM connected to Openvswitch can not access the external network on Ubuntu 14.04

I have a computer running Ubuntu 14.04. It has two ethernet interfaces. I've created a virtual switch and connected eth1 to it. I run VM (KVM) that connects to the openswitch bridge. From the host, I ...
0
votes
0answers
51 views

KVM not installed?

When I run virt-manager, and click on the icon to create a new virtual machine, I get an error that KVM is not installed or is not loaded. I use Ubuntu GNOME 14.04 All qemu packages are version ...
0
votes
0answers
23 views

How do I mount an external drive in a KVM virtual machine?

I have a VM running a database under virt-manager and Ubuntu 14.04. I want the db to use a drive that is external to the VM. That way I can just increase the size of the drive any time I need to. ...
0
votes
0answers
10 views

HP Proliant 460c G1 running ubuntu server

I am looking at installing Ubuntu server on some old (still running 100%) HP servers, we would like to run a hypervisor (KVM) and check if our vm's will run. Is there a version of Ubuntu that ...
1
vote
1answer
38 views

How can i make VM to fully cover the screen in KVM?

I installed Debian Wheezy in KVM using virtual machine manager. VM doesn't fully cover the screen, with large gaps in both sides of screen as seen in pictures below. How can i make VM to fully cover ...
1
vote
2answers
134 views

Can I set up MAAS and Juju on one machine?

Here is what I want to setup: MaaS on a single PC MaaS providing the host OS for 4 VMs (3 LXC + 1 KVM) Using Juju to deploy services on the 4 VMs (nodes on MaaS) How can I accomplish this?
0
votes
1answer
192 views

Ubuntu 14.04 LTS Windows 8 Guest macvtap setup

I have little experience with Ubuntu and new to KVM. I have successfully installed KVM and used virt-manager to add the first guest. I have 4 Ethernet ports on my server. For host server access and ...
0
votes
1answer
40 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
176 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
40 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
35 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
25 views

Creating a virtual machine with an existing vhd file via command line with command line

I have a .vhd (an ubuntu server instance) file that I'd like to run on Ubuntu Server 14.04 with bridged networking. How can I set its network interface and boot from it using only the command line?
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 ...
0
votes
0answers
346 views

Creating an ubuntu Server VM on Ubuntu Server

I'm having a lot of trouble trying to set up a VM on Ubuntu Server. I've tried following multiple guides like this one but right now, no matter what I try, I can't create a br0 instance. Before that, ...