[Unit]
Description=Proxmox VM (QEMU)
After=network.target

[Service]
Type=simple
ExecStart=/usr/bin/qemu-system-x86_64 \
  -enable-kvm \
  -cpu host \
  -m 4096 \
  -smp 4 \
  -drive file=/root/proxmox-disk.qcow2,format=qcow2 \
  -boot order=c \
  -nographic \
  -netdev user,id=net0,hostfwd=tcp::2222-:22,hostfwd=tcp::8006-:8006 \
  -device virtio-net-pci,netdev=net0
Restart=always

[Install]
WantedBy=multi-user.target