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
10 views

PPA Pinning, trying to install qemu with glusterfs packages

I need to have glusterfs enabled qemu, however default repository qemu is not built with glusterfs support. I have found a ppa & added it, I made the pinning in apt preferences, however even when ...
0
votes
0answers
45 views
+50

vmbuilder won't build “trusty” (14.04 LTS)

I can use this command to create a working VM running the "precise" (12.04 LTS) Ubuntu release: vmbuilder kvm ubuntu -v --suite=precise \ --libvirt=qemu:///system --arch=amd64 \ --cpus=2 ...
-1
votes
0answers
11 views

Can't start virt-manager

Don't know what happened but i cant run virt-manager any more. Kvm is on ubuntu server 14 lts and it worked fine till a couple of weeks ago. I am accesing it from ubuntu 14.04 desktop version but i ...
11
votes
4answers
24k views

How to resize virtual machine disk?

Is there anyway to resize a virtual machine's disk? Say increasing the disk size from 32GB to 64GB. I am running KVM/Qemu on Ubuntu server 11.10 64bit. Thanks.
3
votes
1answer
2k views

How to correctly install and use QEMU-KVM on Ubuntu 14.04?

In general, I prefer to install Linux software packages (not already installed by the default Ubuntu installer) via the distro-specific mechanism provided by that distro. In my case, I am using Ubuntu ...
8
votes
2answers
3k views

Is my VM using KVM or QEMU?

After installing Ubuntu 11.10 and copying my KVM images which were created on Ubuntu 11.04 over to the new system, I notice that Virt-manager says it's using QEMU and not KVM. Also when running virsh ...
1
vote
0answers
29 views

kvm bridge dropping packets

Periodically one or more of the guests lose network connectivity. We are getting packet loss only in vms. Setup: We're running 3 KVM guests, all Ubuntu 12.04 LTS using bridged networking. OS on ...
1
vote
0answers
27 views

dns problem in guest after host connection to vpn

I configured linux guest in kvm runing on ubuntu14.04 host. It runs without any problem and has no issues with DNS. After connecting host to VPN (OpenVPN), guest is not resolving anything from DNS ...
1
vote
0answers
11 views

KVM guest can not access host using CIFS

I have a situation with a guest running on Ubuntu KVM than can't access SAMBA shares on the same host where guest is running. I would like to use samba for file sharing between host and guests. Guest ...
2
votes
0answers
29 views

Virtualization limits for Ubuntu Server 14.04 LTS with KVM

Essentially I'm after something like this, but for Ubuntu Server 14.04 LTS. I'm trying to create some KVM guests with very large 1TB+ RAM (through OpenStack Nova). I can boot the 1TB VM fine, but I ...
1
vote
0answers
36 views

Best setup for virtual machines

Today I have a Ubuntu Server with one lan connection (eht0) and two internet connections with one provider dedicated ip each (eth1 and eth2). I would like to change this setup to a new Ubuntu Server ...
3
votes
1answer
67 views

How to connect from home PC to Virtualbox/KVM that hosted on Ubuntu server?

I have an Ubuntu server, it's 3TB HDD space total and 24GB RAM, I want to take 1 little bit of space and RAM to make VPS Windows using VirtualBox or KVM. I want to install Windows Server 2008 on ...
3
votes
1answer
406 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 ...
0
votes
1answer
76 views

Why is QEMU so slow even with KVM

I've been working with QEMU for some times now and from my experience I see it being very slow compared to other VM tools like VirtualBox or VMWare. Even enabling KVM doesn't do much of a benefit for ...
0
votes
0answers
87 views

Testing 15.04 livecd with kvm

I am trying to test 15.04 livecd using KVM without success. It boots fine, but when I choose to 'Try Ubuntu', instead of 'Install Ubuntu' on the first screen, it goes to lightdm and asks for the ...
0
votes
0answers
42 views

KVM VM is unable to access internet: help me clean up my networking

I installed Ubuntu Server 14.04 with the intent to set it up with KVM and VMs for many purposes. I've been able to get a few VMs up and running with their own versions of Ubuntu Server 14.04. However, ...
0
votes
0answers
42 views

kvm live migration across ubuntu hosts, how live is live?

I am exploring KVM live migration. I got three VMs running on VMWare workstation. Two of them are KVM hosts and one of them is NFS. The two KVM hosts are ubuntu 14, the one nfs also running ubuntu 14 ...
1
vote
0answers
15 views

what is the effect of making my kvm's HD cache none vs default?

I am playing with KVM migration, and I got an error about unsafe migration due to hdd cache settings. I found the fix, which is to set the cache to none and it works after I made the change. But ...
1
vote
1answer
4k 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
1answer
25 views

How to run VM's within Ubuntu Linux without Virtualbox or any other type 2 hypervisors?

I am planning to move from Windows 7 to Ubuntu as it is free and due to privacy reasons. Is there any way to run VMs from within Ubuntu without any additional software like Virtualbox or any other ...
1
vote
0answers
53 views

How to configure promiscuous mode rejected in KVM bridge?

I am using Ubuntu 14.04 (3.13.0-45-generic #74-Ubuntu SMP) as Host OS. KVM version 2.0.0 I have disabled promiscuous mode in guest Virtual Interfaces along with corresponding host vnet & bridge ...
1
vote
2answers
697 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 ...
0
votes
0answers
62 views

Error “KVM disabled by BIOS” during attempt to install Ubuntu 14.10

I recently bought the new HP Notebook - 15-r203tx which comes with DOS. Then I tried to install Ubuntu 14.10. So far, I made a bootable pen drive. But on the Boot menu after choosing the install ...
0
votes
0answers
31 views

Performance of KVM on 32 Bit Ubuntu compared to 64 Bit?

Due to hardware failure, I recently grabbed a harddisk out of an old 32 bit machine and plugged it into a new 64 bit system - powered on, everything good, services outage minimised. Now I am planning ...
0
votes
0answers
39 views

How to access the a qemu virtual machine?

I'm following the tutorial at: https://coreos.com/docs/running-coreos/platforms/qemu/ And I tried to add my ~/.ssh/id_rsa.pub to it so I could access it, using this command: ...
0
votes
0answers
27 views

Is there a way to create a 10G network interface for VMs in KVM2.0?

We have installed & configured the KVM 2.0 (qemu-kvm 2.0.0+dfsg-2ubuntu1.10) on Ubuntu 14.04. The physical server is connected to 10G network, KVM is configured in Bridged mode But the issue is, ...
-1
votes
1answer
74 views

Cannot run KVM, Android studio failing

I am trying to install KVM but getting following errors: no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory INFO: Your CPU does not support KVM extensions KVM acceleration can ...
0
votes
0answers
12 views

Touchscreen with KVM switch gives clicks

Im currently running a shuttle pc with the latest version of Ubuntu with a ELO touchscreen connected via a KVM switch (Belkin SOHO with usb hub). On the other machine (a custom os) it works fine, ...
1
vote
1answer
92 views

How to export qcow2 KVM image?

I have set up a new QEMU virtual machine through KVM on a Ubuntu 14.10 linux installation. Everything is working smoothly. The problem is when I try to export the qcow2 vm image to another PC, to ...
-1
votes
2answers
31 views

remote booting into guest os

I have installed kvm. and i installed Ubuntu as guest OS in kvm. Now I want to centralize the system. where my users will log in to to their guest account remotely. if yes how to do this?
0
votes
1answer
18 views

Missing File After Destroying KVM

I am using virsh to manage my KVMs on Ubuntu 14.04. I store my disk path targets (.IMG files) on an LV and mount it manually. I, of course, forgot to mount this LV after a restart but virsh was still ...
1
vote
1answer
74 views

Cannot VNC to KVM Guest

I am trying to install Ubuntu desktop in a KVM guest on my Ubuntu server host. Both version 14.04 and 64-bit. I got through the virt-install ok sudo virt-install -n desktop -r 1024 --disk ...
0
votes
0answers
36 views

Client image freeze against Intel AMT KVM Ubuntu machine!

Server: HP Elitebook 8440p Ubuntu 14.04.2 Kernel 3.19 Intel AMT KVM v6 Client: Windows 8.1 Intel Manageability Commander Tool Mesh Edition (latest per 2015-03-19 cirka) + UltraVNC or Realvnc ...
0
votes
0answers
17 views

Logical Volume Size Change During KVM Install

I am installing Ubuntu Desktop on a Server host using virt-install. Soon after the install starts the LV that I am writing the virtual disk image to goes from 50G to 64Z. Impossible since the machine ...
1
vote
0answers
115 views

Can ping but cannot wget on host with bridge interface

This is driving me mad, since I have spent the las two days trying to solve this. I have an Ubuntu Server 14.04.2 LTS with KVM and libvirt. I have two guests virtual machines: pfSense-2.2: virtio ...
0
votes
0answers
35 views

High microphone noise in Windows 7 KVM guest

I need to use web conferencing tools on my Win 7 KVM guest. The problem I have is that the mic volume is very low - my voice can be barely heard. I have raised the volume from Win control panel and ...
0
votes
1answer
44 views

KVM VPS and data safety

I'm looking into setting up a mail server (running Ubuntu, ofcourse), but I need it to run reliably (in case it's good enough to start using it instead of only Gmail) so I found a VPS provider that ...
0
votes
0answers
35 views

Will Installing KVM or Xen affect my other partitions?

Sorry if this question has already been answered but I am a bit confused regards installing either Xen or Kvm for a school project. I have researched previous posts on this subject but I cannot seem ...
0
votes
0answers
77 views

Qemu-KVM Help: Can't blacklist one of two GPU's of same model

I'm trying to follow this tutorial to make a Windows KVM system for games, I have two GTX 760's, but I need to black list only one of them. According to this tutorial, if I put in the ID to black ...
1
vote
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
votes
0answers
15 views

Weird error with Emulator on Android Studio [duplicate]

I am trying to create my first project on Android Studio. The error I get when I try to start emulator: ERROR: x86 emulation currently requires hardware acceleration! Please ensure KVM is properly ...
0
votes
0answers
26 views

KVM is one app native do ubuntu for virtualization?

What is KVM ? a native application for ubuntu virtualization can be considered ? Ubuntu supports the paravirtualization ? to support paravirtualization , the procedure to do is the same virtualization ...
6
votes
1answer
204 views

How to configure networking for KVM

Ok, my situation is as follows. I have: -host (Ubuntu server 14.04) on which I want to have multiple VMs (KVM). This host has 2 NICs (eth0, eth1) -home router (dhcp, network 192.168.1.0) -PC with ...
0
votes
1answer
304 views

virtualization, guest Network settings error

I have the following situation, I have a virtualization environment, the host is Ubuntu Host information: uname -a Linux asic 2.6.32-38-generic #83-Ubuntu SMP Wed Jan 4 11:12:07 UTC 2012 x86_64 ...
5
votes
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 ...
1
vote
1answer
42 views

juju deploy fails with “lookup store.juju.ubuntu.com: no such host”

I have a MAAS setup (using KVM) with 1 MAAS controller and 1 server node. I could "juju bootstrap" successfully and following is the output of "juju status" vishal@maas:~$ juju status environment: ...
2
votes
0answers
30 views

How to invoke a X Session and a VM instead of login prompt

The system is Ubuntu 12.04 but the OEM requirement is to make it appear as if it is a Windows system to the end user. Other VMs and daemons will be active in the system but it is controlled from ...
8
votes
3answers
18k views

KVM is not installed on this machine (/dev/kvm is missing)

I'm using Ubuntu 14.04 ...recently install the android studio I run a hello world program there will be a error: /home/praveen/Android/Sdk/tools/emulator -avd Nexus_6_API_21 -netspeed full -netdelay ...
6
votes
1answer
8k views

Kernel Update : Kvm disabled by bios

I read a text about kernel stable and I updated my kernel to 3.6.1. And I solved problems like WIFI and resolution but I cant solve kvm disabled by BIOS. Before update I didn't see this KVM : Disabled ...
0
votes
0answers
46 views

kvm does not exits in ubuntu 14.04

Hello I just started learning android development so for that I need Virtual Device to test apps on it . But when I start virtual device it says CPU acceleration status: KVM is not installed on this ...