ddafre: Seems to me like linux headers are missing. So in my explanation that step is wrong, as you have to explicitly install the headers to your kernel.
Try "uname -a" you can then see something like "Linux desktop 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC 2009 x86_64 GNU/Linux"
If it is "generic" like on my machine try "sudo apt-get install linux-headers-generic"
Then start from step 6.
ddafre: Seems to me like linux headers are missing. So in my explanation that step is wrong, as you have to explicitly install the headers to your kernel.
Try "uname -a" you can then see something like "Linux desktop 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC 2009 x86_64 GNU/Linux"
If it is "generic" like on my machine try "sudo apt-get install linux-headers- generic"
Then start from step 6.