Difference between revisions of "QEMU"

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(→‎See also: * Repo: git.qemu.org/git/qemu.git)
 
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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>, required for <code>[[Virsh/virsh domfsfreeze|virsh domfsfreeze]]</code>
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* <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/</code>
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* <code>/etc/[[libvirt]]/qemu/VM_NAME.xml</code>
* <code>/etc/[[libvirt]]/qemu.conf</code>
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* <code>[[/etc/libvirt/qemu.conf]]</code> ([[VNC]], [[spice]] configurations, security_driver)
* <code>/var/run/libvirt/qemu</code>
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* <code> [[/etc/libvirt/qemu/networks/default.xml]]</code>
  
== Logs ==
+
 
<code>/var/log/libvirt/qemu/</code>
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* <code>[[/var/run/libvirt/qemu/]]</code>
:qemu-system-x86_64: failed to initialize KVM: Cannot allocate memory
+
 
 +
== [[QEMU Logs]] ==
 +
*<code>[[/var/log/libvirt/qemu/]]</code>
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*<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>[[No VM guests are running outdated hypervisor (qemu) binaries on this host.]]</code>
  
 
== Basic Commands ==
 
== Basic Commands ==
  
* <code>[[kVM/qemu-img|qemu-img]] info -U /srv/libvirt/YOUR_IMAGE_NAME.qcow2</code>
+
* <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
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</pre>
 
</pre>
  
* [[qemu-img snapshot]]
+
* <code>qemu-img snapshot</code>
 +
* <code>[[qemu-nbd]]</code>
 +
* <code>[[qemu-io]]</code>
 +
* <code>[[qemu-ga]]</code>
  
== See also ==
+
== [[QEMU releases|QEMU releases/versions/Changelog]] ==
 +
 
 +
 
 +
== Related terms ==
 
* https://en.wikibooks.org/wiki/QEMU
 
* https://en.wikibooks.org/wiki/QEMU
 
* Repo: git.qemu.org/git/qemu.git
 
* Repo: git.qemu.org/git/qemu.git
* [[Red Hat Virtualization|RHV]]
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* <code>[[qemu-system-arm]]</code> package in Ubuntu that provides [[QEMU]] full system emulation binaries (arm)
* [[KVM/libvirt]], [[virsh]]
+
* [[Amazon Firecracker]]
* <code>[[KVM/qemu-img|qemu-img]]</code>
+
* <code>[[qemu-user]]</code> package
* [[qemu-ga]]
+
* [[virt-host-validate]]
* [[Virtio]]
+
* <code>[[qemu: uncaught target signal 11 (Segmentation fault) - core dumped]]</code>
 +
* <code>[[uses: docker/setup-qemu-action]]</code>
 +
 
 +
== See also ==
 +
* {{KVM}}
 +
* {{QEMU}}
 +
* {{Virtio}}
  
 
[[Category:Operating systems]]
 
[[Category:Operating systems]]

Latest revision as of 06:40, 17 July 2024

wikipedia:QEMU

Packages[edit]

Configuration[edit]


QEMU Logs[edit]

  • -smp 2,sockets=2,cores=1,threads=1


systemctl status qemu-kvm

No VM guests are running outdated hypervisor (qemu) binaries on this host.

Basic Commands[edit]

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]

See also[edit]

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