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Questions tagged [virsh]

The virsh program is the main interface for managing virsh guest domains. Virtualization of the Linux Operating System means the ability to run multiple instances of Operating Systems concurrently on a single hardware system where the basic resources are driven by a Linux instance. The library aims at providing a long term stable C API .

The virsh program is the main interface for managing virsh guest domains. The program can be used to create, pause, and shutdown domains. It can also be used to list current domains. Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux (and other OSes). It is free software available under the GNU Lesser General Public License. Virtualization of the Linux Operating System means the ability to run multiple instances of Operating Systems concurrently on a single hardware system where the basic resources are driven by a Linux instance. The library aims at providing a long term stable C API . It currently supports Xen, QEmu, KVM , LXC , OpenVZ, VirtualBox, OpenNebula, and VMware ESX .

You can find all info and options on virsh on this page.

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Using a virtual disk image on two virtual servers

I have a setup with some test and stagiging servers running on the same host (using virsh to maintain it on ubuntu 10.04) The test and staging systems are build up with the same sets of servers. One of them being a wms server that has a large disk…
MortenSickel
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How do I access the F8 Bootmenu while booting a Windows 2008R2 KVM Guest VM?

Stupid question but this doesn't work, seems like it should. Is there a trick to access a booting Guest VM's bootmenu using KVM? I'm running the VM using virt-manager 0.8.7. KVM server is a CentOS 6.3 box running…
slm
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listing of VM's created before libvirt installation or started by any other VM management tool

if my VM's are not created using virt-manager or are created using any other tool, then virsh system list command does not give them in the list of running VM's however they are running perfectly on my KVM server. Is there a way to list these VM's…
Dr. Death
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virt-manager cannot identify machine

last time I had virt-manager + Desktop on my centos server everything was fine then I removed desktop for more security. and after a while I installed it again and now when I open virt-manager it doesn't show the list of KVMs but it's connected and…
Zim3r
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How to use specific host ip address on kvm?

Have a dedicated Ubuntu Server host with a single network interface but with two ip address: root@server:~# cat /etc/netplan/50-cloud-init.yaml network: version: 2 ethernets: eno3: dhcp4: true match: …
e-info128
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Virsh corruption image, re-merge snapshot?

I have an issue with one of my images. The image is encrypted. About three weeks ago I started a snapshot of a running image and then did a blockcommit more recently. Something has since happened to that image and it no longer boots. I can run…
user1021876
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Can you use virsh to reset vm id sequence?

Question in regards to "Id" for running VMs, using virsh running local Qemu VMs. command virsh list will bring up a list of the current running VMs defined, eg,  Id Name State  -------------------  1 ubuntu running upon stopping and undefining the…
account404
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Controlling virsh filters right way

I'm running centos 7, lxc for containers, virsh for setting up a bridge. Upon creation, virsh set up some firewall rules for virbr # iptables-save | grep virbr -A POSTROUTING -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill -A INPUT -i…
Alex Povolotsky
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Linux virtual machine network DDOS protection

I have dedicated server with installed virsh. On the server I have 5 virtual servers. When someone DDOS attack dedicated server is everyting ok. I hardly know it's an attack. But if someone attacks the virtual server, it is not possible to load the…
JeyC0b
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how to enable virsh console a ubuntu domain

Environment description: host: libvirtd (libvirt) 6.0.0 os version: 20.04.2 LTS (Focal Fossa) guest: os version: 20.04.2 LTS (Focal Fossa) Problem description: I tried to follow…
xiaojueguan
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Virt-manager: unable to interact with existing vms on a server

I have 3vm's on a kvm. of recent i have been able to manage these vm's visually through virt-manager. on a windows machine i have been using mobaxterm to access the server and everything was working fine. however, after switching to linux(fedora36)…
alpha-evzone
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Issues with starting a virtual machine using virsh without intializing virt manager

I am having problems with starting a virtual machine using virsh. When I do virsh list --all, I see the VM named "ubuntu20.04" and it's state if shut off. Then I do virsh start ubuntu20.04 and get this error: error: Failed to start domain…
lukascobbler
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virsh command that displays all the domins' the affinity to physical processors?

I want to know if there is a command virsh to display all the running domins' the affinity to physical processors? I know vcpuinfo domin to get one domin's info, but it change so fast. I set 16 VMs running together and each VM got 4 vcpus bind on…
Zhangcheng Liang
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`virsh -c qemu:///session list --all` lists VMs created in `QEMU/KVM` connection, but misses VM from `QEMU/KVM User session` of Virt-Manager

# virsh -c qemu:///session list --all lists only VMs created in QEMU/KVM connection (system !), but misses VM I've created in QEMU/KVM User session in GUI of Virt-Manager. Why? From below I unserstand I'm using correct syntax of the command: Migrate…
Alex Martian
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Why would a KVM/Qemu VM, running successfully on a new host, get stuck "Paused" after a few minutes?

I used virsh commands to backup a Xubuntu 22.04 VM on an Ubuntu 20.04 machine and restore it on an Ubuntu 18.04 machine. The VM starts up successfully, but after a few minutes of running apt updates it hangs up in "Paused" state and after a forced…
Martin Bramwell
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