Ubuntu KVM Deployment Installation Snapshot

Cat/proc/cpuinfo | Egrep ' VMX|SVM '

Apt-get Install QEMU-KVM Libvirt-bin virt-managerbridge-utils

Lsmod | grep KVM

Virsh-c Qemu:///system List

This is the KVM installation .

Then add the virtual machine

QEMU-IMG Info aa.img See what the virtual machine is now. What format

Qemu-img convert-f raw-o qcow2 aa.imgtest01.qcow2 convert to qcow2 format

Qemu-img snapshot-c centos_install_ftp/vhostdisk/centos.img

Create a Snapshot

Qemu-img snapshot-l/vhostdisk/centos.img

Querying snapshots

Qemu-img snapshot-d centos_install_ftp/vhostdisk/centos.img

Note that centos_install_ftp is the snapshot name and/vhostdisk/centos.img is the original virtual machine.

Qemu-img mode recovery snapshot not implemented

A way to properly recover a snapshot

Virsh

List--all View all existing virtual machines

Aa

Snapshot-create-as AA ( virtual machine name ) Snap1(the name of the snapshot to be created)

Snapshot-info AA(virtual machine name) See How many snapshots a AA virtual machine has

Snapshot-revert AA (virtual machine name) Snap1 (the name of which snapshot to revert to)

Ubuntu KVM Deployment Installation Snapshot