Concepts

Libvirt is an API and driver framework. It normalizes lifecycle, storage, network, and host operations while hypervisors such as QEMU/KVM perform guest execution. Request path This separation explains why a successful AP

Libvirt split the historical all in one daemon into smaller services so each subsystem could be isolated, restarted, and permissioned more cleanly. Why libvirt split the daemon The monolithic daemon handled many unrelate

An operator rehearsal turns a proposed command into a reviewable state transition. Use the interactive rehearsal before a consequential libvirt change to expose missing evidence without touching a daemon. Establish the c

Why drills exist The interactive surfaces in this manual are not puzzles for their own sake. They are short operator drills. Their job is to reinforce ordering, command composition, and dependency awareness in the same w

KVM provides kernel virtualization, QEMU models the machine and devices, and libvirt supplies a stable management contract around both. Component roles | Layer | Primary responsibility | | | | | KVM | CPU and memory virt