vb.sh: create a new virtualbox machine

vb.sh

#!/usr/bin/env sh
# vb.sh: create a new virtualbox machine
#
## (c) 2016-2020, Arkadiusz Drabczyk, arkadiusz@drabczyk.org

if [ "$#" -lt 2 ]
then
    echo Usage: "$0" \<MACHINE-NAME\> \<ISO\> [RAM] [DISK] [TYPE]
    echo Example:
    echo ./vb.sh \"Slackware x64 14.1\" slackware64-14.1-install-dvd.iso
    echo RAM is 2 gigabytes if not explicitly requested.
    echo Disk is 30 gigabytes if not explicitly requested.
    echo Type is Linux_64 if not explicitly requested.
    exit 1
fi

ram=${3:-2048}
hdd=${4:-30000}
type=${5:-Linux_64}

set -e

VBoxManage createvm --name "$1" \
                    --ostype "$type" \
                    --register

VBoxManage modifyvm "$1" \
                    --memory "$ram" \
                    --usb on

VBoxManage modifyvm "$1" \
                    --nic1 bridged \
                    --bridgeadapter1 eth0

VBoxManage modifyvm "$1" \
                    --vram 128

VBoxManage modifyvm "$1" \
                    --graphicscontroller vmsvga

VBoxManage modifyvm "$1" \
                    --firmware efi

VBoxManage createhd --filename "$PWD/${1}.vdi" \
                    --size "$hdd"

VBoxManage storagectl "$1" \
                    --name "IDE Controller" \
                    --add pcie \
                    --controller NVMe

VBoxManage storageattach "$1" \
                    --storagectl "IDE Controller" \
                    --port 0 \
                    --device 0 \
                    --type hdd \
                    --medium "$PWD/${1}.vdi"

VBoxManage storagectl "$1" \
                    --name "For CD" \
                    --add ide

VBoxManage storageattach "$1" \
                    --storagectl "For CD" \
                    --port 1 \
                    --device 0 \
                    --type dvddrive \
                    --medium "$2"