Reload the Mac OSX Kernel Extensions for Official VirtualBox Distribution

reload-vbox.sh

#!/usr/bin/env bash
# based on https://gist.github.com/rtgibbons/2024307 with updates from comments of that gist for OSX 10.9

EXTDIR="/Library/Application Support/VirtualBox"

unload() {
    kextstat | grep "org.virtualbox.kext.VBoxUSB" > /dev/null 2>&1 && sudo kextunload -b org.virtualbox.kext.VBoxUSB
    kextstat | grep "org.virtualbox.kext.VBoxNetFlt" > /dev/null 2>&1 && sudo kextunload -b org.virtualbox.kext.VBoxNetFlt
    kextstat | grep "org.virtualbox.kext.VBoxNetAdp" > /dev/null 2>&1 && sudo kextunload -b org.virtualbox.kext.VBoxNetAdp
    kextstat | grep "org.virtualbox.kext.VBoxDrv" > /dev/null 2>&1 && sudo kextunload -b org.virtualbox.kext.VBoxDrv
}

load() {
    sudo kextload "$EXTDIR/VBoxDrv.kext" -r "$EXTDIR"
    sudo kextload "$EXTDIR/VBoxNetFlt.kext" -r "$EXTDIR"
    sudo kextload "$EXTDIR/VBoxNetAdp.kext" -r "$EXTDIR"
    sudo kextload "$EXTDIR/VBoxUSB.kext" -r "$EXTDIR"
}

case "$1" in
    unload|remove)
        unload
    ;;
    load)
        load
    ;;
    *|reload)
        unload
        load
    ;;
esac