Use this reference to configure QEMU virtual machines, create and inspect disk images, and set up storage, networking, displays, and devices. It also explains machine and CPU models, QMP management commands, and the guest agent.
Use when working with QEMU — qemu-system-*, qemu-img, qemu-nbd, qemu-storage-daemon, qemu-pr-helper, block drivers, machine types, CPU models, device emulation, networking, display options, QMP protocol, and guest agent. Triggers on: "qemu", "qemu-system", "qemu-img", "qemu-nbd", "qemu-kvm", "QEMU", "qcow2", "qcow", "qed", "virtio", "virgl", "vhost-user", "VirtIO", "block driver", "machine type", "SEV", "SEV-SNP", "TDX", "snapshot", "backing file", "NBD", "Network Block Device", "QMP", "QEMU Monitor Protocol", "guest agent", "qemu-ga", "cpu model", "host passthrough", "SPICE", "VNC".
Run score Not tested
See how to installReview the instructions the agent will receive before you install.
Comprehensive reference for the QEMU command suite — full-system emulators, disk image tools, block storage infrastructure, and management protocols.
| Keywords | Reference |
|---|---|
| architecture, command inventory, component relationships, process model, QEMU vs KVM vs accelerators | references/overview.md |
| qemu-system-ARCH, -machine, -accel, -smp, -m, -cpu, -M, -name, -uuid, -rtc, -icount, -S, -gdb, -no-reboot, -no-shutdown, -daemonize, snapshot mode, -overcommit, -msg, -fw_cfg, -smbios, -bios, -kernel, -initrd, -append, -dtb, -initiator, -semihosting, -semihosting-config | references/qemu-system.md |
| qemu-img, create, convert, check, info, snapshot, commit, rebase, resize, amend, map, measure, bench, dd, compare, bitmap, image formats | references/qemu-img.md |
| qemu-nbd, NBD server, export, connect, disconnect, TLS, persistent, bitmap, list, offset, snapshot | references/qemu-nbd.md |
| qemu-storage-daemon, block exports, block jobs, QMP control, --blockdev, --export, --nbd-server | references/qemu-storage-daemon.md |
| qemu-pr-helper, SCSI persistent reservations, helper socket, daemon mode, privilege drop | references/qemu-pr-helper.md |
| qemu-block-drivers, raw, qcow2, qed, vmdk, vhdx, vdi, luks, rbd, iscsi, nfs, nbd, http, https, ssh, blkdebug, blkverify, copy-on-read, copy-before-write, throttle, replication, compression, encryption, backing files, snapshot, preallocation, discard, detect-zeroes | references/block-drivers.md |
| -blockdev, -drive, -device storage controllers, virtio-blk, virtio-scsi, NVMe, AHCI, IDE, FUSE exports, vduse-blk, vhost-user-blk | references/block-devices.md |
| -netdev, -nic, -net, network backends, TAP, user mode, bridge, L2TPv3, socket, VDE, vhost-user, vhost-vdpa, virtio-net, e1000, rtl8139, i8255x, vmxnet3 | references/networking.md |
| -display, -vga, -full-screen, -spice, -vnc, gtk, sdl, egl-headless, dbus, curses, cocoa, virgl, egl, opengl, window options | references/display.md |
| -device, PCI, USB, virtio, audio, virtio-gpu, virtio-balloon, virtio-rng, virtio-fs, vfio, vhost, ivshmem, audio devices, USB devices | references/devices.md |
| machine types, pc-i440fx, pc-q35, microvm, virt, versioned machine types, migration compatibility | references/machine.md |
| CPU models, features, topology, host passthrough, named models, host model, -cpu, -smp topology, -numa, ABI levels, AMD SEV, SEV-ES, SEV-SNP, Intel TDX, x86, ARM, RISC-V, s390x, PPC | references/cpu-models.md |
| QMP protocol, qemu-qmp-ref, commands, events, introspection, qmp-shell, -qmp, -hmp, HMP monitor | references/qmp.md |
| guest agent, qemu-ga, QGA protocol, guest-sync, guest-info, guest-exec, guest-fsfreeze, guest-network-get-interfaces, qemu-ga-ref | references/guest-agent.md |
| man pages, documentation, carapace completions, existing completers | references/man-docs.md |
| When you need to... | Start here |
|---|---|
| Understand the overall architecture and run your first VM | references/overview.md |
| Configure a VM's CPU, memory, machine type, and accelerators | references/qemu-system.md |
| Create or manipulate a disk image | references/qemu-img.md |
| Export a disk image over the network | references/qemu-nbd.md |
| Run a standalone storage daemon | references/qemu-storage-daemon.md |
| Set up SCSI persistent reservations | references/qemu-pr-helper.md |
| Understand image formats (qcow2, raw, LUKS, RBD) | references/block-drivers.md |
| Configure block devices (virtio-blk, virtio-scsi, NVMe) | references/block-devices.md |
| Set up networking (TAP, user-mode, virtio-net) | references/networking.md |
| Configure display output and remote access | references/display.md |
| Add devices (PCI, USB, audio, vfio) | references/devices.md |
| Choose the right machine type | references/machine.md |
| Configure CPU models and features | references/cpu-models.md |
| Control QEMU via QMP | references/qmp.md |
| Install and use the guest agent | references/guest-agent.md |
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