While installing CentOS in VirtualBox (version 4.2.4) on OS X (version 10.9.1) I came across the following error message when selecting bridged networking
virtualbox verr_supdrv_component_not_found
The solution I found to this is to reload the VirtualBox kexts on the host operating system. To do this I used a script which I found here, I’ve put it on GitHub as a gist for future reference.
#!/bin/bash
# Reload Virtual Box Kexts
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 /Library/Extensions/VBoxDrv.kext -r /Library/Extensions/
sudo kextload /Library/Extensions/VBoxNetFlt.kext -r /Library/Extensions/
sudo kextload /Library/Extensions/VBoxNetAdp.kext -r /Library/Extensions/
sudo kextload /Library/Extensions/VBoxUSB.kext -r /Library/Extensions/
}
case "$1" in
unload|remove)
unload
;;
load)
load
;;
*|reload)
unload
load
;;
esac