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Testing X Linux in a VM

Helper commands to run the X Linux ISO and boot an installed disk with QEMU. Adjust paths (ISO, DISK) to your machine.

ISO=/home/x0z/Documents/repos/x-lnux/x/out/x-2026.09.06-x86_64.iso
DISK=/home/x0z/x-vm.qcow2

Create a target disk (first time)

qemu-img create -f qcow2 "$DISK" 32G

Boot the ISO (install / live, BIOS)

qemu-system-x86_64 -enable-kvm -m 6144 -smp 4 -cpu host \
  -cdrom "$ISO" \
  -drive file="$DISK",if=virtio,format=qcow2 \
  -netdev user,id=net0 -device virtio-net-pci,netdev=net0 \
  -boot d

The text installer runs automatically on the first tty1 login. Shortcut (alias) if you are dropped to a shell:

alias xinstall='bash /root/x-installer/installer.sh'
xinstall

Boot the installed disk (BIOS boot: GRUB)

qemu-system-x86_64 -enable-kvm -m 6144 -smp 4 -cpu host \
  -drive file="$DISK",if=virtio,format=qcow2 \
  -netdev user,id=net0 -device virtio-net-pci,netdev=net0 \
  -boot c

Boot the installed disk (UEFI: systemd-boot or GRUB EFI)

cp /usr/share/edk2/x64/OVMF_VARS.4m.fd /tmp/ovmf_vars.fd

qemu-system-x86_64 -enable-kvm -m 6144 -smp 4 -cpu host \
  -drive file=/usr/share/edk2/x64/OVMF_CODE.4m.fd,if=pflash,format=raw,readonly=on \
  -drive file=/tmp/ovmf_vars.fd,if=pflash,format=raw \
  -drive file="$DISK",if=virtio,format=qcow2 \
  -netdev user,id=net0 -device virtio-net-pci,netdev=net0

Notes:

  • The installer writes both a BIOS boot (GRUB + bios_grub partition) and a UEFI boot path when GRUB is selected, so either boot works.
  • systemd-boot is UEFI-only: boot the disk with the OVMF command above.
  • -netdev user (slirp) provides NAT without libvirt/virtual networks.
  • On hosts whose kernel lacks the htb qdisc (e.g. custom builds), libvirt's default network and VirtualBox host modules may fail; direct QEMU above avoids both.