===== Cómo instalar VirtualBox Linux Additions en Centos 6.5 =====
Dependencias para CentOS.
yum install dkms binutils gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-devel xorg-x11-server-Xorg
Descargar la versión de VirtualBox Linux Additions que corresponda con nuestro VirtualBox: [[http://download.virtualbox.org/virtualbox/]].
Arrancamos la imagen de Centos previamente instalada, en la ventana de VirtualBox hacer click en //Dispositivos// (en el menú superior) y seleccionar Instalar > "Guest Addittions".
En Centos se deben ejecutar los siguientes comandos.
mkdir /mnt/cdrom
mount /dev/cdrom /mnt/cdrom/
cd /mnt/cdrom/
./VBoxLinuxAdditions.run
**Problema: "Modprobe vboxguest failed"** (Común en versiones actualizadas de Centos, no instalaciones nativas).
./VBoxLinuxAdditions.run
Verifying archive integrity... All good.
Uncompressing VirtualBox 4.3.12 Guest Additions for Linux............
VirtualBox Guest Additions installer
Removing installed version 4.3.12 of VirtualBox Guest Additions...
Copying additional installer modules ...
Installing additional modules ...
Removing existing VirtualBox DKMS kernel modules [ OK ]
Removing existing VirtualBox non-DKMS kernel modules [ OK ]
Building the VirtualBox Guest Additions kernel modules [ OK ]
Doing non-kernel setup of the Guest Additions [ OK ]
Starting the VirtualBox Guest Additions [FAILED]
(modprobe vboxguest failed)
Installing the Window System drivers
Could not find the X.Org or XFree86 Window System, skipping.
**Solución: "Modprobe vboxguest failed"**
cd /usr/src/vboxguest-4.3.12
make
make install
modprobe vboxguest
modprobe vboxsf
modprobe vboxvideo
**Comprobar**
lsmod | grep -i vbox
vboxsf 37983 0
vboxguest 260140 2 vboxsf
vboxvideo 2180 0
drm 280012 1 vboxvideo