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

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Unable to run Two android Emulators in Ubuntu

I am using Genymotion android emulator and I am able to use it correctly , Now my question is that I am unable to run 2 android emulator simultaneously(parallel) from android studio , and I am using ...
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97 views

nested vm failed to boot with “KVM: entry failed, hardware error 0x0”

Trying to create a nested vm with virt-manager. vm stuck at paused state. From instance log under /var/log/libvirt/qemu/, I see following errors. Anyway to get around this? KVM: entry failed, ...
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0answers
105 views

Installing vagrant-libvirt on Ubuntu 15.04 fails

I'm experiencing a strange issue when installing vagrant-libvirt plugin. When running vagrant plugin install vagrant-libvirt I get the following error: http://pastebin.com/fLx6Uzhq Some had ...
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0answers
270 views

virt-manager won't work because of Gtk-critical messages

I am running Ubuntu 14.04. I connect to it from my Windows 7 server. I have Xming installed on my desktop. I use Putty or MobaXterm to connect to the Ubuntu server. When I run virt-manager, I get ...
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69 views

virt install does not accept multipe extra-args

virt-install says the second argument is unknown as soon as I add a second or more arguments. It doesn't matter in which order the arguments are - the first one is always accepted. It seems ...
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1answer
280 views

How to install guest os (ubuntu server) in kvm without vnc?

I'm absolutely new to KVM/QEMU. I used HyperV for a long time - but that was easy with a simple GUI ;) So I've ssh access to a headless ubuntu server with kvm. Now I want to install another ubuntu ...
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50 views

Read config /etc/qemu/ich9-ehci-uhci.cfg: Permission denied

I am running Ubuntu 14.04 and am trying to get USB Autopassthrough to work. As per instructions here: https://fedoraproject.org/wiki/Features/UsbNetworkRedirection I added: <qemu:arg ...
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15 views

How do I install virt-manager from a .tar.gz file? [duplicate]

How do I install virt-manager from a .tar.gz file? I used the tar -zxvf file.tar.gz command. But when I use virt-manager --version, I see the old version. I think if I use the apt-get command, the ...
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1answer
105 views

virt-manager is not working on Ubuntu; there is no pop-up

I'm trying to use virt-manager (0.9.5) on an Ubuntu server (version 14.04). I can connect to the Ubuntu server. I connect to the Ubuntu server via Putty, TurboVNC, or via the IP Management Interface ...
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66 views

Ubuntu 14.04 Desktop libVMi installation error

In Ubuntu 14.04 I install KVM and successfully created Win 7 guest, Info: Kvm version: QEMU emulator version 2.0.0 (Debian 2.0.0+dfsg-2ubuntu1.19), Copyright (c) 2003- Now I am following this link ...
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1answer
444 views

Using OVMF on Ubuntu to build a gaming virtual machine

Recently, I bought a new VGA Card, and I decided to create a system that sometimes in the past I've tried to build without any success: a Linux system with a VGA Pass through setup. In this setup, I'd ...
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1answer
34 views

KVM Bridged network not working for 2 guests

I have a bridged network setup and working, following the guides https://help.ubuntu.com/community/KVM/Installation and https://help.ubuntu.com/community/KVM/Networking My setup is similar to ...
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13 views

How to list VMs in KVM by creation and/or last use day

I am struggling to find the CLI command in order to list the VMs in Virsh by their creation and/or last use day. Any ideas ?
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288 views

HW virtualization in VMware (KVM - Android Studio)

First question on this forum. I'm fairly new to linux/ubuntu but I'm starting to get the hang of it, and so far I love it! :-) I should probably start off by saying that I'm running Ubuntu 14.04 in ...
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1answer
373 views

How do I get Ubuntu Snappy started using KVM?

I'm trying to get a virtual image of Snappy started using KVM. Launch Snappy locally with KVM on Linux Found a nice and simple howto Launch Snappy locally with KVM on Linux Completed the following ...
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1answer
632 views

How do you install the VirtIO HDD drivers for KVM on Windows 7?

I'm trying to install Windows 7 64-bit on KVM. I created a VirtIO HDD in virt-manager, and connected the driver ISO from here. The only drivers I see for storage are for Windows Server 2008, and 2008 ...
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1answer
159 views

How to create multiple VNICs on kvm?

I have installed kvm on ubuntu, and created a virtual machine. I want to create VNIC s on the same. How can i do that.?
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301 views

block bitmap and bg descriptor inconsistent

The error : [Sun Sep 6 11:15:56 2015] EXT4-fs error (device dm-0): ext4_mb_generate_buddy:757: group 113, block bitmap and bg descriptor inconsistent: 34 vs 33 free clusters [Sun Sep 6 11:15:56 ...
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1answer
86 views

Maximum resolution problem when external monitor is connected via KVM Switch

I use a laptop with Ubuntu (15.04) and output on monitor (LG E2240). Everything is OK, the maximum resolution is 1920x1080 ( the maximum resolution supported by the monitor). When I connect a KVM ...
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2answers
204 views

cannot create a virtual machine in virt-manager [closed]

I got the following message when creating a virtual machine in virt-manager: Error launching manager: 'NoneType' object has no attribute 'get_default_storage_format' Traceback (most recent call ...
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186 views

“Openbox-Message: A window manager is alredy running on screen 0”

I have a problem with creating a remote graphical connection to my Ubuntu 14.04.1 LTS server (GNU/Linux 3.13.0-32-generic x86_64). I've already tried everything I can find on google and forums. I ...
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1answer
87 views

PCI GPUs have the same device ids. Why?

I've got two R9 280's installed in my system. In Ubuntu when I run lspci -nn both the cards have the same device id. Example Output: 01:00.0 Example GPU 1 [8080:aa68] 04:00.0 Example GPU 2 ...
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0answers
258 views

Keyboard and Mouse Sharing Software that isn't Synergy

I have two Windows machines and one Ubuntu machine that I want to control with one keyboard and mouse. Synergy works half way for this, but since the Linux machine has two monitors and Synergy doesn't ...
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1answer
25 views

How to install an application without some dependencies?

I want to install Multisystem: wget -q http://liveusb.info/multisystem/depot/multisystem.asc -O- | sudo apt-key add - sudo apt-get install multisystem But it automaticly installs Qemu/Kvm and ...
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21 views

Lost mouse scroll support after switching between 2 PCs (KVM switch)

I have two PCs one has Windows 7 and second Kubuntu 15.04 64bit. Both connected through ATEN CS-62U switch (some info also here) to display, mouse and keyboard. Mouse is: Bus 001 Device 016: ID ...
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1answer
197 views

Installing kvm /dev/kvm missing

I'm trying to install kvm extensions in my computer. I'm following this guide KVM installation KVM is not available in my machine and I have a 32 bits one. rocio@rocio-laptop:~$ sudo ...
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58 views

KVM install error

I am trying to install KVM on ubuntu 14.04, but using sudo apt-get install qemu-kvm qemu virt-manager virt-viewer libvirt-bin but getting the error E: Failed to fetch ...
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1answer
155 views

Connect to internet on Ubuntu Server running on qemu virtaul machine

I am running Ubuntu server in a Qemu VM. The /etc/network/interfaces contents look as follows: #The loopback network interface auto lo iface lo inet loopback #The primary network interface auto ...
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1answer
51 views

Low internet speed when adding bridge interface

I added a bridge interface using virt-manager. /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp auto br0 iface br0 inet dhcp bridge_ports eth0 bridge_fd 0 ...
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1answer
96 views

VMs can't ping each other

I have created two virtual machines in virt-manager. All machines (host & guests) run Ubuntu 14.04. Host machine has two NICs. eth1 is used by host. Virtual Network Interface for each VM/guest ...
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70 views

KVM QEMU running desktop environment

Is it possible to install KVM QEMU as a bare metal system and then run a desktop environment distro like Ubuntu Gnome as a virtual machine from a USB flash drive? I like to create a portable system ...
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201 views

Open NAT Port on Libvirt Virtual Machine

I am currently running a Xen Hypervisor underneath Ubuntu 14.04 Desktop. On the host machine I am running a guest VM for Windows 8. From what I understand, In order to be able to receive incoming ...
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164 views

KVM Bridge DHCP - Connection on Host drops - Same IP address for br0 and eth0

I'm trying to create a bridge for a vm in Ubuntu 14.04. My original /etc/network/interfaces file looked like: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp And after modifying it, ...
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0answers
133 views

What is the cloud image default login?

I downloaded ubuntu-14.04-server-cloudimg-amd64-disk1.img and create a VM from it using virsh. It boots up fine and I get its IP address except that it looks for a configuration server. However it ...
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88 views

Using a Virtualbox qcow VM in kvm Virtual Machine Manager

I am able to run a qcow disk image on Ubuntu 14, by issuing the command line kvm -m 512 -usbdevice table -hda MyVM.qcow The qcow VMs were created with VirtualBox. However, if I launch Virtual ...
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1answer
99 views

How can i access my ubuntu server (with GUI) on another computer

How can i access my ubuntu server (with GUI) on another computer? I have ubuntu server on my server but I just installed ubuntu desktop to so I have a GUI to use. How can i use this GUI from my ...
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210 views

Virt-manager vga passthrough windows 8.1 BSOD

Environment: Ubuntu 15.04 with current packages. HD4600 for host, 980ti blacklisted and connected to 2nd screen. Windows installed without passthrough, later added PCI pass in virt-manager, ...
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1answer
371 views

libvirt kvm hidden state fail to validate

Ubuntu 15.04 Fresh new installation so all packages are up to date. Trying to edit libvirt xml file. Using $ sudo EDITOR=gedit virsh edit win81 Added <kvm> <hidden state='on'/> ...
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1answer
101 views

Error building a VM

My system: #uname -a Linux hostname 3.13.0-57-generic #95-Ubuntu SMP Fri Jun 19 09:28:15 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux I am trying build a VM ( ...
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0answers
22 views

How to change the KVM scheduling option after an experiment which disable some physical CPU?

I have experienced a problem with KVM during an experiment in which I have disabled some physical CPUs, which are subsequently reactivated. The problem is that after the restart of the CPUs, the ...
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0answers
79 views

pci-passthru in Ubuntu KVM 14.04.2 on ppc64el

I'm working on Ubuntu 14.04.2 for ppc64. Is pci passthrough work on this version? We're using Mellanox nics. pci-assign: echo "0006:01:00.0" > /sys/bus/pci/drivers/pci-stub/bind ...
1
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1answer
441 views

I have an OpenWRT VM connected to the WAN, how do I connect client VMs to the OpenWRT LAN using it as a gateway?

I'm trying to setup a lab in KVM on my Ubuntu Linux machine. My goal is to create a test lab in which I can test the configuration of my physical router for my home network, before moving it into ...
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70 views

Why arn't LXC instances registered in MAAS DNS?

Using the machine tab of the juju-gui charm, I can add LXC instances without deployed charms on them. I'm not confident enough with the idea, that on a high abstract level of a machine, there is any ...
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162 views

pulseaudio: Failed to initialize PA contextaudio: Could not init `pa' audio driver

Android Emulator is consuming 100% CPU on my system. If I use -no-audio flag then I don't get the error mentioned below and everything runs fine. Any idea why I get the pulseaudio error. pulseaudio: ...
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50 views

error setting up kvm bridging in 15.04

I'm trying to set up kvm bridging following the instructions at https://help.ubuntu.com/community/KVM/Networking#Creating_a_network_bridge_on_the_host but the internet will not connect at all after ...
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126 views

Multi-headed Gaming VM Host on Ubuntu Server

I am trying to build a multi-headed gaming system based on an Ubuntu Server 15.04 host with either Windows or Ubuntu/Linux Mint guests. I have gotten the systems nearly working with Linux Mint/Ubuntu ...
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48 views

virt-manager not saving connections

The Virtual Machine Manager (virt-manager) doesn't save the remote connections. I remove the local connection and add my remote connections and close the application and reopen it and the remote ...
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2answers
123 views

Android program execution in studio not detecting installed KVM

I have installed KVM for virtualization for AVD in studio, after running the following command: kvm-ok The output is: INFO: /dev/kvm exists KVM acceleration can be used So, by all this i can ...
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111 views

Manual for building a virtual machine with kvm

Using this manual I want to build a VM. However, the manual seems rather outdated: It talks about using Hardy on i386 architecture (I'm running Vivid on an x86_64). Also, ubuntu-vm-builder is no more ...
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343 views

How enable x86 android emulator without KVM

I am running Ubuntu 14.04 and my system does not support KVM . I want to use x86 emulator for android in my system. But it tells KVM should be installed for running x-86 emulator. Currently I am using ...