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Systems & Data Center · Intermediate

libvirt

An open-source API, daemon and toolkit for managing virtualization platforms such as KVM/QEMU.

Definition

libvirt defines VMs, networks and storage pools in XML and is used by virsh, virt-manager, virt-install and Cockpit. It provides a stable interface across hypervisors.

Example

virt-install --name web1 --memory 4096 --vcpus 2 --disk size=20 --cdrom rhel9.iso creates a VM.

Exam tip

On RHEL, libvirt tools (virsh, virt-install) are the expected KVM management commands.

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