yolanda:/home/arisv# m-a a-i -i -t -f nvidia-kernel-source
.
Updated infos about 1 packages
Getting source for kernel version: 2.6.22-3-686
Kernel headers available in /lib/modules/2.6.22-3-686/build
apt-get-y install build-essential

Done!
download
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package nvidia-kernel-source is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package nvidia-kernel-source has no installation candidate
Installation of the nvidia-kernel-source source failed.

Ignoring this package. Maybe you need to add something to sources.list, maybe
the contrib and non-free archives.

Updating info about nvidia-kernel-source