KVM

if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then

  if [[ $(grep -e vmx -e svm /proc/cpuinfo) ]]; then

    KVM_OPTS="-machine type=q35,usb=off,accel=kvm -enable-kvm -cpu host"

    KVM_OPTS=",accel=kvm -enable-kvm -cpu host"

  fi

fi

if [ -z "${KVM_OPTS}" ]; then

  KVM_OPTS="-machine type=q35,usb=off"

  echo "Error: KVM acceleration is disabled.."

  [ "$DEBUG" != "Y" ] && exit 88

fi

KVM_OPTS="-machine type=q35,usb=off${KVM_OPTS}"

RAM_OPTS=$(echo "-m ${RAM_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')

CPU_OPTS="-smp ${CPU_CORES},sockets=1,cores=${CPU_CORES},threads=1"

DEF_OPTS="-nographic -nodefaults -overcommit mem-lock=off"