Questions tagged [virt-manager]

The virt-manager is a desktop user interface for managing virtual machines through libvirt

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libguestfs: guestfs_launch fails — but i didn't even ask it to try

i recently started with Qemu/KVM and libvirtd/virt-manager/virsh etc. One the many cryptc "guides" for installation told me to install libguestfs, and so I did. I note that ...
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How do remove the default storage pool from a libvirt hypervisor, so that even after libvirtd restarts there is NO storage pool

I want to remove the default storage pool from my virt-manager AND NOT HAVE IT COME BACK BY ITSELF, EVER. I can destroy it and undefine it all I want, but when i restart libvirtd (for me thats "sudo ...
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Access to guest display when host is accessed via VNC

I have a dedicated (phyiscal) server running Ubuntu 18.04, and I've installed ssh and tightvncserver on it. I can connect from my local machine via an ssh tunnel to the host using realvncviewer, and ...
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Convert a directory pool to a disk pool in Libvirt

I currently have the default directory pool with images as qcow2 files. I created a disk pool on a SSD I recently added to my computer. From my understanding of the documentation, disk pools create ...
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why is kvm pool so small

I set up kvm on a fresh install ubuntu server 18.04 on a 1TB disk. There is nothing else on the disk. Whether I use virt-manager or virsh on cli to create a pool, I always get a pool of 3.75GB ...
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Repeated loss of network connectivity to QEMU/KVM/virt-manager VM

I'm having frequent network connectivity failures under the QEMU/KVM/virt-manager stack on openSUSE Leap 15.1. I have a single VM running a software firewall, which is losing connectivity every few ...
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840 views

KVM-QEMU bridged network not working - guest can only access host

I am trying to configure VMs to act like devices on my LAN, instead of hiding behind the host. This is the tutorial I followed: RHEL8 Network Bridged Interface My router/DHCP is at 10.10.1.254 Host ...
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1answer
300 views

QEmu and limit CPU clock vor VM

My question is simple. With the help of virt-manager, can I limit what speed should the VM see and use the CPU at? The goal is to test a web application if it runs better on more cores, lower speed ...
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99 views

Virsh can't detect my new vm

I have a *.qcow2 image from my old OS, it contains Windows 10. Then I copied it to the new OS and tried to install it. I followed the method written here "How to create a new domain from an existing ...
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121 views

KVM - Modify from IDE to VirtIO

I imported a CentOS 7 guest from XenServer to KVM. After importing it into KVM the disk bus in use is the IDE. I need to change the disk bus from IDE to VirtIO because VirtIO has better performance. ...
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93 views

Preloading shared library with libVirt

I am trying to load two shared libraries while running Qemu using libvirt. To preload the shared libraries I have added an environment variable in the $domain.xml file with the following command: ...
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Installation of virt-manager while yum update and yum install rhvm does not work

I have downloaded RHEV-H 4.2 https://access.redhat.com/products/red-hat-virtualization#getstarted (RHVirtualization 4.2 Host and Manager iso). I uploaded the image and installed on an HP G9 server ...
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602 views

virt-manager vm console requires password

I have just started learning foreman. I added a KVM host to the foreman as a compute resource. I can now provision VMs from foreman now but I cannot view the console of the VMs that are provisioned ...
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608 views

Docker inside LXC starting container process caused “apply caps: operation not permitted”

I'm trying to run a Docker container inside an LXC container. However doing so causes me to get the following error: [root@DH-DockerLXC01 alex]# docker run fedora bash docker: Error response from ...
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549 views

Missing KVM snapshots in virt-manager

I need to resize an image and receive an error when using qemu-img the resize is not supported because snapshots exist. Sure enough, even though virt-manager does not show any snapshots, I see the ...
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1answer
5k views

How I increase GPU video RAM in virt-manager?

I have this text in my XML <video> <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' ...
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49 views

Assigning a single IP address in virt-manager

I'm using virt-manager in Ubuntu 16.04 is there anyway to assign the IP I bought to my VM? The guest operating system is Windows Server 2008 R2
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1k views

Using virt-builder to create image

I'm trying to automatically create cloud images using virt-builder. I am using the following command in Centos 7 and it keeps failing. Any idea behind the issue ? # virt-builder debian-9 -o /var/lib/...
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163 views

GTK apps no longer render text

I am using virt-manager on Debian Jessie. A few weeks ago, it was working fine for me; however now when I run it, the text does not render correctly. I have tried reinstalling all of the dejavu fonts,...
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1k views

USB passthrough not working using virt-manager/qemu

I have created a virtual machine using virt-manager 1.3.2 and wanted to add a USB device. However, the USB device does not show up in the guest (Debian) when using lsusb. In another virtual machine ...
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11k views

virt-manager Spice copy paste doesn't work

I have a Debian 9 KVM host runs on a dedicated server. I use virt-manager on my laptop (Ubuntu 16.04) to connect it remotely. Everything works quite well except copy/paste actions between VM's SPICE ...
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1answer
2k views

virt-viewer not starting up correctly

I just installed virt-viewer on RHEL7.3 using yum install virt-viewer and now I am getting below error [root@host ~]# virt-viewer virt-viewer: symbol lookup error: /lib64/libspice-client-gtk-3.0.so....
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1k views

virt-manager connect to kvm w/o password

I want to connect my KVM host with virt-manager, but I use pub key for authentication, and I cant skip the openssh-password popup. Is it possible to log in without a password? (i apologize for my ...
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1answer
1k views

Load QEMU Firmware Configuration Device in virt-manager?

Is there a way to load fw_cfg file in virt-manager (v1.4.1)? On the plain QEMU command line I can do it like so: -fw_cfg name=opt/com.coreos/config,file=some/file.json I cannot find equivalent ...
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977 views

Using virt-manager with seahorse instead of ssh-askpass?

On my Arch Linux virt-manager can not connect remote ssh and tells about installing ssh-askpass. As I wan't to use the gnome default seahorse, I was looking for a solution which I didn't find on the ...
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462 views

centos server with virtual machines parent cant connect out but vms work fine

I have a server centos 6.2, it has several vm's using https://virt-manager.org/ the vms work great, no problems. The problem I have is the parent server cant connect out using any protocol. DNS works ...
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1answer
4k views

Error when adding network interface to VM on KVM host using virsh

I'm attempting to script adding a network interface to a centos 6 guest. I know the interface can be set up using the virt-manager gui but it's highly desirable for it to be added as part of an ...
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758 views

qemu-kvm ovmf block device passthru

I'm trying to create a new VM (using virt-manager) that boots from an existing block device. I want to pass through the entire device to the VM. Apparently this is easy if you're using BIOS, but I'm ...
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3answers
858 views

virt-manager: Partioning the available memory

I have a hypervisor which uses kvm and virt-manager to handle the virtual machines. The hypervisor has 6GByte of memory. If I add a new virtual machine I don't know how much memory is still free. ...
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1answer
597 views

KVM/QEMU: “Storage parameter error: directory is not managed on the remote host” when importing an existing image from a mounted drive

A server I manage remotely has a KVM/QEMU image stored on a non-os, mounted drive /mnt/drive. When I use virt-manager to import the disk image, I get the following error: Storage parameter error. ...
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1answer
1k views

How to explain the machine type concept in the virtualization?

When I was under Debian Wheezy, virt-manager created virtual machines with the "pc-0.12" machine type. Since I am under Debian Jessie, virt-manager creates virtual machines with "pc-i440fx-2.1" ...
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1k views

Edit /etc/resolvconf/resolv.conf.d/base in Centos 7 — qcow2 image

My qcow2 image uses local nameserver, 192.168.122.1 which is not working for reasons unknown. So, I tried to use guestfish and edit the file /etc/resolv.conf to add nameservers, 8.8.8.8. This doesnt ...
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2answers
34k views

probing EDD boot message stays for ten minutes on centos 6.6

I am trying to bring up a Centos 6.6 qcow2 image on my virt-manager. Booting from Hard disk.... Probing EDD (edd=off to disable)... ok The guest machine stays with the above message for near ten ...
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330 views

Can libvirtd be used without kvm?

I wanted to try libvirtd with virt-manager (I wanted to test migration.) on a virtual machine (without nested virtualization support enabled, so no kvm...), and I expected it to work (and use full ...
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1answer
629 views

Is it possible to install virt manager in client mode?

I have a KVM server (updated to Ubuntu 14.04) for several years now, that I handle distantly with virt-manager under different Linux flavours. I recently formatted and reinstalled my main workstation ...
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2k views

Is it possible to add an os variant to the virt-manager list?

I just installed RHEL 7.1 on a server. I'm using it to study for the RHCSA/RHCE exams. One of the steps in the study guide is to install a VM through virt-manager using installation media on an FTP ...
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1answer
921 views

Ubuntu Trusty: virt-manager performance over WAN… 40+ secs freezes

I'm using the virt-manager GUI 0.9.5-1ubuntu3 on my laptop running Ubuntu 14.04 against a server located some distance away (same OS) and getting rather unpleasant performance. Laptop-server pings ...
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1answer
85 views

virt-manager gui default values customization

Is it possible to configure virt-manager (libvirt) so that when an operator opens the GUI to add a disk, the default value for "Cache mode" is "none"?
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6k views

Installing a Windows guest with virtio in a single step (Debian)

I am trying to create a Windows 7 (32bits) with virtio disk and network in a single step using virt-manager. I've been trying to follow the step-by-step procedure here. However there is no such ...
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1answer
1k views

Changing qemu/libvirt default gateway IPv4 IP to something other than x.x.x.1/24

General info: I have a KVM-libvirt/qemu running on ArchLinux; 3.18.2-2-ARCH ls | egrep -i 'libvirt|qemu' libvirt-1.2.11-1-x86_64.pkg.tar.xz libvirt-glib-0.2.0-1-x86_64.pkg.tar.xz libvirt-python-1.2....
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1answer
231 views

CoreOs VM getting deleted after shutdown on libvirt

I installed CoreOs on libvirt using link https://coreos.com/docs/running-coreos/platforms/libvirt/. The VM is also showing inside Virtual Machine Manager and working fine. The problem is once I ...
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1answer
4k views

How to allow non root user to access libvirt remotely on Centos 6 [closed]

Default configuration according to documentation (sic!) requires root access to remote host. How to enable user access? Remote management with SSH
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Virtuall Manager : CentOS Guest Install Garbled Text

I'm trying to install CentOS 6.5 with virtual manager but the menu is garbled. Host machine is running on Debian Wheezy. Thank you in advance.
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1answer
3k views

Is it useful to deploy OpenStack to a single node?

Due to several limitations and only few and expensive offers of Windows-based dedicated servers, I thought about renting a Linux server instead and running even multiple VMs on that server. I thought ...
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1k views

SSH to VM rejecting password, works from virt-manager console

First of all, I'm sorry if there is a duplicate post somewhere. I searched for a while but none of the posts I found fixed my problem. It's fairly annoying. I created a new VM on our network and when ...
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1answer
1k views

virt-viewer slower than virt-manager when viewing

I've got a thin client server in which I have a few VM's for users under KVM which I manage through virt-manager. What I've noticed is if I start a VM guest on a thin client using the command 'virt-...
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3answers
25k views

virt-install KVM “Cannot open display ”

So I am trying to create a VM using KVM (on CentOS 6.3) and the command I use is as follows: virt-install --connect qemu:///system --virt-type kvm --name ffVM32 --ram 1024 --disk path=/home/...
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1answer
6k views

Virtmanager connection via custom SSH command?

I'd like to use virt-manager to manage my libvirt/kvm virtual machines running on a remote host, but the method I use to ssh into that host it a bit complicated. I need to use custom ports along with ...
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2answers
30k views

Any way to release focus on a KVM guest in virt-manager without having to click Ctrl_L + Alt_L?

Is there a way to move my mouse in and out of a KVM guest in virt-manager without having to click to gain focus of the window and release focus by pressing Ctrl_L+ Alt_L? BACKGROUND I typically ...
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2answers
8k views

Getting windows virtio mounted/installed for KVM

There might be an easy answer to this. I have exhausted my search on google for a solution. Here's my problem. I need to get Windows working on a KVM vps with virtualizor CP. As I get into windows ...