sudo apt-get update && sudo apt-get install build-essential linux-headers-$(uname -r)
sudo ln -s /usr/src/linux-headers-$(uname -r)/include/generated/uapi/linux/version.h /usr/src/linux-headers-$(uname -r)/include/linux/version.h
Mount VM Guest Additions in vSphere
make sure /mnt/cdrom folder exists
mount CD ROM
mkdir /mnt/cdrom && mount /dev/cdrom /mnt/cdrom
cd /tmp
cp /mnt/cdrom/V(tab-complete) ./
tar zxvf V(tab-complete)
cd vm(tab-complete)
./vm(tab-complete)