Qemu

sudo apt install -y qemu-kvm virt-manager libvirt-daemon-system virtinst libvirt-clients bridge-utils
sudo systemctl enable --now libvirtd
sudo systemctl start libvirtd

sudo usermod -aG libvirt $USER
sudo usermod -aG kvm $USER
newgrp libvirt
newgrp kvm

Knowledge

sudo apt install qemu-system
sudo apt install cpu-checker

sudo systemctl stop libvirtd.socket
sudo systemctl stop libvirtd.service
sudo systemctl stop libvirtd-ro.socket
sudo systemctl stop libvirtd-admin.socket

qemu-system-i386 -net user -cdrom my_iso.iso
kvm-ok

References

Vagrant vs. Terraform Vagrant vs. CLI Tools Vagrant vs. Docker Linux Containers Install Qemu About Qemu Terraform Podman Vagrant Docker	Vagrant fails to create box with libvirt Install KVM on Ubuntu 22.04