Editing Kernel-based Virtual Machine (KVM)
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=== Config files and directories === | === Config files and directories === | ||
* <code>/etc/[[libvirt]]/[[qemu]]</code> | * <code>/etc/[[libvirt]]/[[qemu]]</code> | ||
| − | * <code> | + | * <code>/etc/[[libvirt]]/[[qemu.conf]]</code> |
| − | * <code> | + | * <code>/etc/libvirt/[[virtlogd.conf]]</code> |
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=== Information === | === Information === | ||
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=== Operations === | === Operations === | ||
* Editing Virtual Machine configuration: <code>[[virsh edit]] $VM_ID</code> | * Editing Virtual Machine configuration: <code>[[virsh edit]] $VM_ID</code> | ||
| − | * Create VM_MACHINE: <code>[[virsh define]] [[MY_XML_VM_DEFINITION.XML]]</code><ref>https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/virtualization_administration_guide/section-libvirt-dom-xml-example</ref> | + | * Create VM_MACHINE: <code>[[virsh define]] [[/MY_XML_VM_DEFINITION.XML/]]</code><ref>https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/virtualization_administration_guide/section-libvirt-dom-xml-example</ref> |
* Modifying [[CPU]]s: <code>virsh setvcpus $VM_NAME ([--maximum] [[--config] [--live] | [--current]])</code> // Can be live or offline in the next reboot <ref>http://wiki.stoney-cloud.org/wiki/VM_CPU_Hotplug</ref> | * Modifying [[CPU]]s: <code>virsh setvcpus $VM_NAME ([--maximum] [[--config] [--live] | [--current]])</code> // Can be live or offline in the next reboot <ref>http://wiki.stoney-cloud.org/wiki/VM_CPU_Hotplug</ref> | ||
** To check vcpu info: <code>[[virsh vcpuinfo]] $VM_NAME</code> | ** To check vcpu info: <code>[[virsh vcpuinfo]] $VM_NAME</code> | ||
* Modifying Memory: <code>[[virsh setmem]] <vm_name> <memsize></code> | * Modifying Memory: <code>[[virsh setmem]] <vm_name> <memsize></code> | ||
| − | * | + | * Connection by console: <code>virsh console VM_NAME</code>. See also: <code>[[virt-manager]]</code> |
| − | : <code> | + | * Clone a virtual machine: <code>virt-clone</code> |
| − | * Clone a virtual machine | + | * Create image: <code>[[qemu-img]] create</code> |
| − | :<code>virt-clone</code> | + | * Resize image: <code>[[qemu-img]] resize</code> |
| − | * Create image | + | * Create domain/virtual machine: <code>virt-install --autostart --check all=on --name VM_DOMAIN_NAME --memory VM_MEMORY_SIZE --vcpus VM_VCPUs --os-variant ubuntu18.04 --cdrom VM_INSTALLATION_MEDIA --disk /path/to/VM_STORAGE_POOL_NAME/VM_DOMAIN_NAME.qcow2 --noautoconsole --wait VM_CREATION_WAIT_TIME --network VM_NETWORK_SETTINGS</code> |
| − | :<code>[[qemu-img]] create</code> | ||
| − | * Resize image | ||
| − | : <code>[[qemu-img]] resize</code> | ||
| − | * Create domain/virtual machine: <code> | ||
* <code>[[virsh migrate]]</code> | * <code>[[virsh migrate]]</code> | ||
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== KVM [[timeline]] == | == KVM [[timeline]] == | ||
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* [[2009]] [[RHV]] | * [[2009]] [[RHV]] | ||
* [[2007]] [[Live Migration]] support | * [[2007]] [[Live Migration]] support | ||
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# [[Install KVM in an Ubuntu Server]] following https://help.ubuntu.com/community/KVM/Installation instructions. | # [[Install KVM in an Ubuntu Server]] following https://help.ubuntu.com/community/KVM/Installation instructions. | ||
# Connect to KVM using [[Virt Manager]] (<code>brew install [[virt-manager]]</code> <ref>https://help.ubuntu.com/community/KVM/VirtManager</ref> | # Connect to KVM using [[Virt Manager]] (<code>brew install [[virt-manager]]</code> <ref>https://help.ubuntu.com/community/KVM/VirtManager</ref> | ||
| − | # Create a KVM virtual machine with Ansible: [[ovirt-RHV module]] | + | # Create a KVM virtual machine with Ansible: [[DevOps/Ansible/ovirt-RHV module]] |
# Read about raw files and [[qcow2]] differences: https://www.berrange.com/posts/2017/02/10/the-surprisingly-complicated-world-of-disk-image-sizes/ | # Read about raw files and [[qcow2]] differences: https://www.berrange.com/posts/2017/02/10/the-surprisingly-complicated-world-of-disk-image-sizes/ | ||
# Read StackOverflow most popular questions https://stackoverflow.com/questions/tagged/kvm?tab=Votes | # Read StackOverflow most popular questions https://stackoverflow.com/questions/tagged/kvm?tab=Votes | ||
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* [[Create Live backups]] using <code>[[virsh blockcommit]]</code> | * [[Create Live backups]] using <code>[[virsh blockcommit]]</code> | ||
* Review [[Bacula]] Enterprise KVM plugin: http://www.bacula.lat/kvm-plugin-bacula-enterprise-quick-guide/?lang=en | * Review [[Bacula]] Enterprise KVM plugin: http://www.bacula.lat/kvm-plugin-bacula-enterprise-quick-guide/?lang=en | ||
| − | * Review [[Bacula]] solution with <code> | + | * Review [[Bacula]] solution with <code>bpipe</code>: http://www.bacula.lat/kvm-hot-online-virtual-machines-backup-with-bacula-bpipe/?lang=en |
* Review Veritas [[Netbackup]] support for [[Red Hat Virtualization|RHV]] | * Review Veritas [[Netbackup]] support for [[Red Hat Virtualization|RHV]] | ||
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* [[VM-Exits]] | * [[VM-Exits]] | ||
* [[Amazon Firecracker]] | * [[Amazon Firecracker]] | ||
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== See also == | == See also == | ||
| + | * [[KVM on ARM]] | ||
* {{virtinst}} | * {{virtinst}} | ||
* {{virt}} | * {{virt}} | ||
| − | * | + | * [[virt-manager]] (<code>[[virsh console]] VM_NAME</code>) |
| − | * | + | * [[MacVTap]] device driver |
| + | * [[Ansible]] [[ovirt-RHV module]] (ovirt_vm) | ||
* {{QEMU}} | * {{QEMU}} | ||
* {{KVM}} | * {{KVM}} | ||
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