Create VM image / snapshot
# backup openstack --os-cloud=openstack-lab server image create foo-vm1 --name foo-vm1-$(date -I) openstack --os-cloud=openstack-lab image list
Links
https://docs.openstack.org/ocata/user-guide/cli-use-snapshots-to-migrate-instances.html
Since version 4.0 LXD also natively supports virtual machines and thanks to a built-in agent, they can be used almost like containers.
lxc image list images: | grep VIRTUAL-MACHINE lxc launch images:ubuntu/21.04 vm2104 --vm lxc launch images:ubuntu/21.04/cloud vm2104c --vm
Links
https://linuxcontainers.org/lxd/getting-started-cli/#launch-a-virtual-machine
Virtio driver
https://fedorapeople.org/groups/virt/virtio-win/deprecated-isos/stable/virtio-win-0.1-81.iso
Create VM
DISKIMG=win7.img WIN7IMG=../iso/de_windows_7_professional_with_sp1_x64_dvd_u_676919.iso VIRTIMG=../iso/virtio-win-0.1-81.iso sudo qemu-system-x86_64 \ --enable-kvm \ -m 4096 \ -smp cores=2 \ -drive file=${DISKIMG},if=virtio \ -net nic,model=virtio \ -net user \ -rtc base=localtime,clock=host \ -usbdevice tablet \ -soundhw ac97 \ -cpu host \ -vga std -vga qxl \ -drive file=${VIRTIMG},index=3,media=cdrom \ -cdrom ${WIN7IMG} \ -vga vmware