Questions tagged [virt-manager]

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

26 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2 votes
0 answers
956 views

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 ...
BrokenLeap's user avatar
1 vote
0 answers
40 views

ERROR '>=' not supported between instances of 'NoneType' and 'str' in virt-mager

I am using Ubuntu 20.04 but virt-install doesn't work while my virt-manager version is 2.2.1 $virt-manager --version 2.2.1 i installed packages $sudo apt install libvirt-clients libvirt-daemon-system ...
CADENTIC's user avatar
1 vote
0 answers
139 views

How do I force Virt-Manager to use the hosts' llvmpipe renderer so the guests get to use 3D acceleration?

I'm using virt-manager and set "3D Acceleration" as per what was recommended, but I'm getting this error: qemu_gl_create_compile_shader: compile vertex error 0:2(10): error: GLSL ES 3.00 is ...
X.LINK's user avatar
  • 111
1 vote
1 answer
757 views

Can't Recover Space from qcow2 image without deleting wanted snapshots

I have a virtual machine that started out with 5 snapshots 1,2,3,4,5. I used qemu-img to delete snapshots 1,2,3. Snapshots 4 and 5 are still needed and were not deleted. How can I release the space ...
user73383's user avatar
1 vote
0 answers
157 views

virt-sandbox error creating an OS container with lxc backend in virt-manager

I am attempting to create an OS container through virt-manager with the lxc backend. virt-sandbox exits without any information on why it fails. Where can I find logs for it? Can I run virt-sandbox ...
Ananth's user avatar
  • 51
1 vote
0 answers
3k 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 ...
Michael Kremser's user avatar
1 vote
0 answers
134 views

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.
supmethods's user avatar
1 vote
3 answers
2k 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 ...
boundless08's user avatar
1 vote
1 answer
2k views

How to permanently attach USB devices to a KVM vserver?

I run a Server using KVM and virt-manager (over SSH). Currently I have the following devices which I want/need in a KVm virtual machine: +----USB-HUB +- USB Smartcard Reader #1 +- USB Smartcard ...
Peter Meyer's user avatar
1 vote
2 answers
670 views

Building virt-viewer on CentOS failed

When I have attempted to build virt-viewer 0.2.x on CentOS, I had a build problem: virt_viewer-viewer.o: In function `viewer_resize_main_window': /root/virt/virt-viewer-0.2.0/src/viewer.c:285: ...
Andrew Shelikhanow's user avatar
0 votes
1 answer
100 views

How to use gnome-keyring in virt-manager / remote-viewer for decrypting an encrypted SSH key?

I use virt-manager to connect to a remote KVM/libvirt hypervisor over SSH. After connecting to the server, I can interact with machines just like if they were on my local computer (under the hood, ...
Kalsan's user avatar
  • 131
0 votes
0 answers
208 views

KVM guest/VM use host/physical VGA port

Is it possible to use the physical video interface (hdmi or vga, onboard), so that a VM can be viewed/used thru it? What I want it to plug a monitor on the host and see the VM graphical interface.
user17467472's user avatar
0 votes
0 answers
70 views

AMD driver doesn't load after rebooting vm with GPU passthrough on virt manager

I'm having an issue with GPU passthrough, using virt manager on Debian 11. It's a very specific question, but i hope that someone can help me with this. I have an RX 5500XT GPU, and i passthrough it ...
Joabeslopes's user avatar
0 votes
1 answer
184 views

Making SCSI tape drive controller accessible to VM OS using virt-manager

I'm trying to make a SCSI tape drive drive controller card (or strictly, the tape drives and robotic tape library hanging off it) visible to the OS running on the VM. I'm running RHEL 7.9 on both the ...
Mike Parker's user avatar
0 votes
1 answer
484 views

How can I view the gui for a virtual machine on Ubuntu Server?

I set my main machine to run Ubuntu Server because my old Optiplex finally bit the dust (RIP). I'm trying to set up a virtual machine using Ubuntu Server as a host and just allocate resources as ...
Joseph Ngechu's user avatar
0 votes
0 answers
3k views

virt-manager's remote-viewer: fails to connect thru SSH tunnel with "incomplete link header (-104/16)

I have a server running libvirtd with QEMU/KVM domains. I would like to access it with virt-manager from a remote machine, for which I open an SSH tunnel and forward a TCP port (libvirtd is listening ...
hypersw's user avatar
  • 101
0 votes
0 answers
117 views

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 ...
zzr99's user avatar
  • 1
0 votes
0 answers
656 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. ...
Eduardo Lucio's user avatar
0 votes
1 answer
502 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: ...
Proy's user avatar
  • 103
0 votes
0 answers
101 views

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 ...
UnicsSol's user avatar
0 votes
1 answer
113 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
Joshua Rivera's user avatar
0 votes
0 answers
1k 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 ...
ACK_stoverflow's user avatar
0 votes
2 answers
4k 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 ...
theillien's user avatar
  • 449
0 votes
1 answer
425 views

Is there a way to make virt-manager and xe to work at the same time?

I followed instructions from this site: http://wiki.xen.org/wiki/XCP_toolstack_on_a_Debian-based_distribution. The gist of it is basically to do an apt-get install xcp-xapi xcp-xe. If I follow the "...
Hermes Conrad's user avatar
0 votes
1 answer
4k views

Error while creating VM using virt-manager on Xen

After a great struggle I got my XEN installed now I am using virt-manager and trying to create a VM. Since my H/W doesnt support full Virtualization using the Para Virtualization installation over ...
bi0s.kidd0's user avatar
-2 votes
1 answer
137 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"?
EBAH's user avatar
  • 11