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Category Archives: Libvirt

Use virt-manager as a non-root user on Linux

Software Effect Enterprises, Inc Posted on March 2, 2024 by SEEIMarch 2, 2024

First check if group already exist, if not create it sudo getent group | grep libvirt If it doesn’t exist, add it as a system group. sudo groupadd –system libvirt Add your user account to the group and log onto … Continue reading →

Posted in kvm, Libvirt | Tagged kvm, libvirt, virt-manager

Moving a KVM virtual guest using cli

Software Effect Enterprises, Inc Posted on March 2, 2024 by SEEIMarch 2, 2024

The following is the way to perform cold KVM migration. A cold migration involves shutting down the guest server during the migration. Generally speaking, to move KVM VM, you need to copy all the VM data from the source host … Continue reading →

Posted in kvm, Libvirt | Tagged guest, kvm, libvrt, migration, virtual

virsh list returns nothing

Software Effect Enterprises, Inc Posted on January 24, 2024 by SEEIJanuary 24, 2024

I did a “dnf update” on a Fedora 38 and after rebooting executing “virsh list –all” I got: Id Name State ————————- I tried running virt-manager and it had problems connecting – it would list my virtual machines, then disconnect … Continue reading →

Posted in Fedora, Fedora 38, Libvirt | Tagged list, lxc, qemu, virsh

Find the PID and Names of Virtual Machines on Centos 7

Software Effect Enterprises, Inc Posted on April 12, 2019 by SEEIApril 12, 2019

On my Centos 7 system, I wanted to find out which VM was taking up a large amount of the processor: top – 14:43:15 up 3 days, 7:49, 2 users, load average: 1.66, 1.79, 1.99 Tasks: 442 total, 1 running, … Continue reading →

Posted in Centos 7, Libvirt

KVM, QEMU start or stop virtual machine from the bash prompt

Software Effect Enterprises, Inc Posted on May 30, 2018 by SEEIMay 30, 2018

To start or stop virtual machines using ssh or the console, you will need to use the bash prompt. There is more than one way, but this is the way I prefer First check which virtual machines are available: virsh … Continue reading →

Posted in Centos 7, Libvirt

Move a virtual machine from one Centos machine to another

Software Effect Enterprises, Inc Posted on August 27, 2015 by SEEIJuly 25, 2020

Revised: How to migrate a kvm guest from one host to another. These instructions are for moving a guest machine from one host to another host where the storage is on the host (instead of external storage that can be … Continue reading →

Posted in Centos 6, Centos 7, Libvirt

Boot LVM From ISO

Software Effect Enterprises, Inc Posted on November 11, 2013 by SEEINovember 11, 2013

You are using libvirt on Centos 6 and you need to boot a virtual machine from a CD Edit the virtual machine virsh edit domainname Find the section “<os>” and add the following line at the top of the section … Continue reading →

Posted in Centos, Centos 6, Libvirt
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