Setup script for creating virtual machines with VirtualBox on Linux based operating systems

mkvm.sh

#!/bin/bash
# Simple setup script for creating virtual machines with VirtualBox on Linux based operating systems.
# e.g:
# ./mkvm -n server -d 50000 -r 2048 -c 2 -o Ubuntu_64 -i ubuntu-20.04.3-live-server-amd64.iso
VM_INFO=`VBoxManage list systemproperties | grep folder`
VM_PATH=${VM_INFO##* }
NAME=;
SIZE=;
RAM=;
CPU=;
OSID=;
ISO=;

usage() {
    echo "$0 usage:" && grep " .)\ #" $0; exit 0;
}
[ $# -eq 0 ] && usage
while getopts ":h:i:o:c:r:d:n:" arg; do
  case $arg in
    n) # Specify virtual machine name.
      NAME=${OPTARG}
      ;;
    d) # Specify disk size in MB.
      SIZE=${OPTARG}
      ;;
    r) # Specify RAM size in MB.
      RAM=${OPTARG}
      ;;
    c) # Specify virtual cpu cores.
      CPU=${OPTARG}
      ;;
    o) # Specify OS-ID. See 'VBoxManage list ostypes'
      OSID=${OPTARG}
      ;;
    i) # Specify iso-image.
      ISO=${OPTARG}
      ;;
    h | *) # Display help.
      usage
      exit 0
      ;;
  esac
done

if [ -z "$NAME" ] || [ -z "$SIZE" ] || [ -z "$RAM" ] || [ -z "$CPU" ] || [ -z "$OSID" ] || [ -z "$ISO" ]; then
    usage
    exit 0
fi

VM_STORAGE="${VM_PATH}${NAME}/${NAME}.vdi"
DEFAULT_ROUTE=`route | grep default`
DEFAULT_INTERFACE=${DEFAULT_ROUTE##* }

echo ""
echo "Create machine..."
VBoxManage createvm --name $NAME --ostype "$OSID" --register

echo ""
echo "Create disk..."
VBoxManage createhd --filename $VM_STORAGE --size $SIZE

echo ""
echo "Add SATA controller..."
VBoxManage storagectl $NAME --name "SATA Controller" --add sata --controller IntelAHCI

echo ""
echo "Attach storage to machine..."
VBoxManage storageattach $NAME --storagectl "SATA Controller" --port 0 --device 0 --type hdd --medium $VM_STORAGE

echo ""
echo "Add IDE controller..."
VBoxManage storagectl $NAME --name "IDE Controller" --add ide

echo ""
echo "Attach drive to machine..."
VBoxManage storageattach $NAME --storagectl "IDE Controller" --port 0 --device 0 --type dvddrive --medium "$ISO"

echo ""
echo "Configure machine..."
VBoxManage modifyvm $NAME --ioapic on
VBoxManage modifyvm $NAME --boot1 dvd --boot2 disk --boot3 none --boot4 none
VBoxManage modifyvm $NAME --memory $RAM
VBoxManage modifyvm $NAME --cpus $CPU
VBoxManage modifyvm $NAME --audio none
VBoxManage modifyvm $NAME --nic1 bridged --bridgeadapter1 $DEFAULT_INTERFACE

echo ""
echo "done"