sh ./VBoxLinuxAdditions.run
Verifying archive integrity… All good.
Uncompressing VirtualBox 4.1.2 Guest Additions for Linux………
VirtualBox Guest Additions installer
Removing existing VirtualBox DKMS kernel modules [ OK ]
Removing existing VirtualBox non-DKMS kernel modules [ OK ]
Building the VirtualBox Guest Additions kernel modules
The headers for the current running kernel were not found. If the following
module compilation fails then this could be the reason.
The missing package can be probably installed with
yum install kernel-devel-2.6.32-100.26.2.el5
Building the main Guest Additions module [FAILED]
(Look at /var/log/vboxadd-install.log to find out what went wrong)
Installing the Window System drivers
Installing X.Org 7.1 modules [ OK ]
Setting up the Window System to use the Guest Additions [ OK ]
You may need to restart the hal service and the Window System (or just restart
the guest s