Virt-install

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virt-install is part of virtinst package. https://linux.die.net/man/1/virt-install

virt-install --import

sudo virt-install --name VM_NAME --import --ram 2048 --disk /path/to/your/image/IMAGE_NAME.img

WARNING  No operating system detected, VM performance may suffer. Specify an OS with --os-variant for optimal results.
WARNING  Graphics requested but DISPLAY is not set. Not running virt-viewer.
WARNING  No console to launch for the guest, defaulting to --wait -1

sudo virt-install 
  --name VM_NAME 
  --import
  --ram 2048
  --vcpus=4
  --os-type=linux
  --os-variant=ubuntu18.04
  --nographics
  --disk /path/to/your/image/IMAGE_NAME.img 

Other options:

--noautoconsole
--network type=direct,source=XXXXX,source_mode=bridge,model=virtio

(--extra-args only work if specified with --location)
--extra-args "hostname=YOUR_HOSTNAME console=ttyS0 ip=10.10.10.10 dns=8.8.8.8 gateway=10.10.10.1 netmask=255.255.255.0 ks=file:/ks.cfg"
    (ks=file:/ks.cfg Kickstarter file) 

Related commands

• virt-builder

Activities

• Create a virtual machine using virt-install
• Clone a machine using: virt-clone
• Install KVM in an Ubuntu Server

See also

• 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
• virtinst (package): virt-install, virt-clone, virt-convert and virt-xml

http://www.admin-magazine.com/Articles/Generate-VM-Images-with-virt-builder