Install Virtualbox Guest Additions On CentOS

version: CentOS-6.4-i386-minimal

# update linux kernel souce and some require toolkits.
yum update
yum install make gcc
yum install kernel-devel

# mount additions cdrom
md /media/vboxadd
mount /dev/cdrom /media/vboxadd

# install
sh /media/vboxadd/VBoxLinuxAdditions.run

PS: Unistall Guest Additions

sh /media/vboxadd/VBoxLinuxAdditions.run uninstall