Difference between revisions of "QEMU"
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* <code>qemu-kvm-rhev</code> or <code>qemu-kvm</code> | * <code>qemu-kvm-rhev</code> or <code>qemu-kvm</code> | ||
* <code>qemu-kvm-common</code> | * <code>qemu-kvm-common</code> | ||
| − | * <code>qemu-img-rhev</code> (RHEL) or <code>qemu-utils</code> (Ubuntu). Commands included: <code>[[qemu-img]]</code>, <code>qemu-io</code> and <code>[[qemu-nbd]]</code> | + | * <code>qemu-img-rhev</code> (RHEL) or <code>[[qemu-utils]]</code> (Ubuntu). Commands included: <code>[[qemu-img]]</code>, <code>qemu-io</code> and <code>[[qemu-nbd]]</code> |
* <code>[[qemu-guest-agent]]</code>. Includes <code>[[qemu-ga]]</code> binary. Package required for <code>[[virsh domfsfreeze]]</code> | * <code>[[qemu-guest-agent]]</code>. Includes <code>[[qemu-ga]]</code> binary. Package required for <code>[[virsh domfsfreeze]]</code> | ||
| − | * <code>qemu-system-x86</code>, binary included: <code>[[qemu-system-x86_64]]</code> | + | * <code>[[qemu-system]]-x86</code>, binary included: <code>[[qemu-system-x86_64]]</code> |
== Configuration == | == Configuration == | ||
* <code>/etc/[[libvirt]]/qemu/VM_NAME.xml</code> | * <code>/etc/[[libvirt]]/qemu/VM_NAME.xml</code> | ||
| − | * <code>/etc/ | + | * <code>[[/etc/libvirt/qemu.conf]]</code> ([[VNC]], [[spice]] configurations, security_driver) |
| − | * <code>/var/run/libvirt/qemu</code> | + | * <code> [[/etc/libvirt/qemu/networks/default.xml]]</code> |
| + | |||
| + | |||
| + | * <code>[[/var/run/libvirt/qemu/]]</code> | ||
== [[QEMU Logs]] == | == [[QEMU Logs]] == | ||
| − | <code>/var/log/libvirt/qemu/</code> | + | *<code>[[/var/log/libvirt/qemu/]]</code> |
| − | + | *<code>[[qemu-system-x86_64]]: failed to initialize KVM: [[Cannot allocate memory]]</code> | |
| − | + | *<code> -smp 2,sockets=2,cores=1,threads=1</code> | |
:<code>[[systemctl status qemu-kvm]]</code> | :<code>[[systemctl status qemu-kvm]]</code> | ||
| + | |||
| + | <code>[[No VM guests are running outdated hypervisor (qemu) binaries on this host.]]</code> | ||
== Basic Commands == | == Basic Commands == | ||
| − | * <code>[[qemu-img]] | + | * <code>[[qemu-img info]] -U /srv/libvirt/YOUR_IMAGE_NAME.qcow2</code> |
<pre> | <pre> | ||
image: /srv/libvirt/YOUR_IMAGE_NAME.qcow2 | image: /srv/libvirt/YOUR_IMAGE_NAME.qcow2 | ||
| Line 39: | Line 44: | ||
* <code>qemu-img snapshot</code> | * <code>qemu-img snapshot</code> | ||
| + | * <code>[[qemu-nbd]]</code> | ||
| + | * <code>[[qemu-io]]</code> | ||
| + | * <code>[[qemu-ga]]</code> | ||
== [[QEMU releases|QEMU releases/versions/Changelog]] == | == [[QEMU releases|QEMU releases/versions/Changelog]] == | ||
| Line 47: | Line 55: | ||
* Repo: git.qemu.org/git/qemu.git | * Repo: git.qemu.org/git/qemu.git | ||
* <code>[[qemu-system-arm]]</code> package in Ubuntu that provides [[QEMU]] full system emulation binaries (arm) | * <code>[[qemu-system-arm]]</code> package in Ubuntu that provides [[QEMU]] full system emulation binaries (arm) | ||
| + | * [[Amazon Firecracker]] | ||
| + | * <code>[[qemu-user]]</code> package | ||
| + | * [[virt-host-validate]] | ||
| + | * <code>[[qemu: uncaught target signal 11 (Segmentation fault) - core dumped]]</code> | ||
== See also == | == See also == | ||
Latest revision as of 06:58, 25 January 2024
Contents
Packages[edit]
qemu-kvm-rhevorqemu-kvmqemu-kvm-commonqemu-img-rhev(RHEL) orqemu-utils(Ubuntu). Commands included:qemu-img,qemu-ioandqemu-nbdqemu-guest-agent. Includesqemu-gabinary. Package required forvirsh domfsfreezeqemu-system-x86, binary included:qemu-system-x86_64
Configuration[edit]
/etc/libvirt/qemu/VM_NAME.xml/etc/libvirt/qemu.conf(VNC, spice configurations, security_driver)/etc/libvirt/qemu/networks/default.xml
QEMU Logs[edit]
/var/log/libvirt/qemu/qemu-system-x86_64: failed to initialize KVM: Cannot allocate memory
-smp 2,sockets=2,cores=1,threads=1
No VM guests are running outdated hypervisor (qemu) binaries on this host.
Basic Commands[edit]
qemu-img info -U /srv/libvirt/YOUR_IMAGE_NAME.qcow2
image: /srv/libvirt/YOUR_IMAGE_NAME.qcow2
file format: qcow2
virtual size: 20G (21474836480 bytes)
disk size: 5.5G
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: true
refcount bits: 16
corrupt: false
QEMU releases/versions/Changelog[edit]
Related terms[edit]
- https://en.wikibooks.org/wiki/QEMU
- Repo: git.qemu.org/git/qemu.git
qemu-system-armpackage in Ubuntu that provides QEMU full system emulation binaries (arm)- Amazon Firecracker
qemu-userpackage- virt-host-validate
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
See also[edit]
- KVM, Installation, QEMU,
virsh,virtinst,libguestfs-tools, libvirt, qemu, Red Hat Virtualization (RHV), MacVTap, Virtio, oVirt, KVM services, KVM networking, KVM graphics, CPU, KVM on ARM - QEMU:
qemu-img,qemu-ga,qemu.conf,virsh qemu, QEMU guest agent (qemu-ga), qcow2,qemu-nbd, qemu-img map,qemu-io,/etc/libvirt/qemu.conf, QEMU releases, VENOM,qemu-nbd --help, qemu-system - Virtio, Install virtio-win
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