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Questions tagged [qemu]

QEMU is a cross-platform processor emulator.

QEMU is a cross-platform processor emulator. It can emulate a single program or a complete virtual machine. QEMU stands for "Quick EMUlator".

One compelling feature of QEMU over other virtualization solutions such as Virtual Box is its ability to pass through an entire PCI device, such as a GPU to the virtual machine.

472 questions
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"autoreconf: not found" error during making qemu-1.4.0

I was ./configure'd the qemu-1.4.0 and during make it cause: (cd /home/amin/Simulate/qemu-1.4.0/pixman; autoreconf -v --install) /bin/sh: 1: autoreconf: not found make: *** [/home/amin/Simulate/qemu-1.4.0/pixman/configure] Error 127 Now, I can't…
Shahmohamamdi
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124
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21 answers

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. Output of ps ax | grep libvirt: 9225 ? Sl 0:04…
That Brazilian Guy
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How do I install qemu?

How do I install the qemu command? I type qemu and press tab and I get a list of several binaries installed. qemu-alpha qemu-arm ... qemu-x86_64 but no qemu. I type man qemu and it returns the docs as if the command is already installed. I type…
William
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4 answers

How can I ctrl-alt-f# to get to a TTY in a QEMU session?

I'm doing an install via testdrive using QEMU/KVM and I would like to check the log files during the installation, however I can't figure out a way to send Ctrl-Alt-F1 and other F keys to the virtualized window (It instead goes to the TTY on the…
Jorge Castro
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5 answers

Why do I have a "libvirt qemu" account in Lock/Switch account options in Ubuntu 16.04?

Is "libvirt qemu" provided by Ubuntu 16.04 officially, or did I do something wrong/right? $ grep -E 'libvirt|qemu' /etc/passwd" libvirt-qemu:x:64055:134:Libvirt Qemu,,,:/var/lib/libvirt:/bin/false libvirt-dnsmasq:x:124:137:Libvirt…
naughtyPenguin
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28
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4 answers

How do I mount a qcow2 disk image?

I have a QEMU virtual machine that uses a qcow2 disk image. How can I mount its filesystem without powering on the virtual machine?
ændrük
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2 answers

What are practical advantages of using linux-image-virtual kernel?

Ubuntu provides an alternative kernel package - linux-image-virtual, that is supposed to be optimized for use in virtual machines. What are actual optimizations and how much faster/smaller/better is it compared to the generic kernel when running on…
Septagram
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26
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5 answers

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.
Tong Wang
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23
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4 answers

Is there any prebuilt QEMU Ubuntu image(32bit) online?

I am playing with QEMU. Here I found some prebuilt OS images: http://docs.openstack.org/trunk/openstack-compute/admin/content/starting-images.html But they are all meant for a 64-bit system while my system is 32 bit. Does anyone know if there is any…
Hao Shen
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Is there something like "VirtualBox Guest Additions" for QEMU/KVM?

I run some Ubuntu VMs in QEMU/KVM with virt-manager as the GUI. The one thing I really miss from VirtualBox though is the ability to install "Guest Additions" which would allow a shared clipboard and the ability to drag and drop files from host to…
user364819
19
votes
1 answer

How to install "qemu-img" and use it to convert a "qcow2" image to a Virtual Box one?

I have been asked to do some debugging work with gnome-continuous, but as this only comes in qcow2 format for qemu and I do not want to install qemu at this time so this may be slightly problematic, though I have read here that one may be able to…
user364819
17
votes
3 answers

How to run Ubuntu desktop on QEMU?

I've installed Ubuntu 16.04 Desktop on QEMU, but now when I start it with: qemu-system-i386 -m 1024M -enable-kvm -drive file=./ubuntu-desktop.img,index=0,media=disk,format=raw I see this picture: Whats going on? How can I fix this?
BPS
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17
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1 answer

QEMU warning: "Image format was not specified for 'flash0.img' and probing guessed raw."

I am trying to emulate ARM architecture using QEMU. My host OS is ubuntu 16.04 and the guest OS inside the emulated machine is also ubuntu 16.04. Following is the tutorial that I'm following: sudo apt-get install qemu-system-arm qemu-efi dd…
D. A
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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-system-x86_64 on this host machine, how do I get…
jobin
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16
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5 answers

KVM Virt-Manager Error: No active connection to Installed on

When I tried to install new virtual machine in virt-manager, virtualization - localhost (QEMU) is not connected. It shows Error: No active connection to installed on. How to fix this problem.
aditya
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