yum install kernel-headers-$(uname -r) kernel-devel-$(uname -r) gcc make
cd /media/VBOXADDITIONS_4.1.8_75467/
export MAKE='/usr/bin/gmake -i'
./VBoxLinuxAdditions.run
yum install kernel-headers-$(uname -r) kernel-devel-$(uname -r) gcc make
cd /media/VBOXADDITIONS_4.1.8_75467/
export MAKE='/usr/bin/gmake -i'
./VBoxLinuxAdditions.run