How to download the source code for kernel 6.14.0-1015-nvidia

On a DGX Spark that I have, the “uname -r” command shows “6.14.0-1015-nvidia”.

So I’d like the kernel source for the version “6.14.0-1015-nvidia”.

Ordinary commands for downloading kernel sources such as “apt-get source linux-image-$(uname -r)” fails.

Does anybody knows how to download the correct kernel source for a DGX Spark?

Thanks. It helped.

The exact site that I found is as follows:

You can also download it by adding deb-src to the Types line of /etc/apt/sources.list.d/ubuntu.sources, apt update then:

apt-get source linux-image-unsigned-$(uname -r)