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Qemu

micro-vm

to start firecracker like micro-vm

run.sh
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#!/bin/bash

start-vm() {
    qemu-system-x86_64 \
        -M microvm,x-option-roms=off,pit=off,pic=off,isa-serial=off,rtc=off \
        -enable-kvm -cpu host -m 512m -smp 2 \
        -kernel <path_to_vmlinux> -append "console=hvc0 root=/dev/vda" \
        -nodefaults -no-user-config -nographic \
        -chardev stdio,id=virtiocon0 \
        -device virtio-serial-device \
        -device virtconsole,chardev=virtiocon0 \
        -drive id=test,file=ubuntu-24.04.ext4,format=raw,if=none \
        -device virtio-blk-device,drive=test \
        -netdev tap,id=tap0,script=no,downscript=no \
        -device virtio-net-device,netdev=tap0
}