Debian / Ubuntu linux install kernel headers package

http://www.cyberciti.biz/faq/howto-install-kernel-headers-package/

A. To install cLinux kernel headers for currently running version, type the following commands at shell prompt (open terminal and type the command):

Make sure you have updated version

$ sudo apt-get update

Search for kernel version (optional)

$ apt-cache search linux-headers-$(uname -r)

Install linux-header package

$ sudo apt-get install linux-headers-$(uname -r)