How to point DKMS to kernel headers? - Ask Ubuntu
https://askubuntu.com/questions/71487429.12.2015 · When installing a package that includes a kernel module (in my case, openafs-modules-dkms), package configuration fails because DKMS fails to find modules even though package linux-headers-$(uname -r) is already installed.. Module build for the currently running kernel was skipped since the kernel source for this kernel does not seem to be installed.