PS:
root@dpcl063:~# ls -ald /var/lib/dkms/*/*/source
lrwxrwxrwx 1 root root 26 Jan 8 16:22
/var/lib/dkms/aufs/4.9+20161219/source -> /usr/src/aufs-4.9+20161219
lrwxrwxrwx 1 root root 30 Jan 18 2017
/var/lib/dkms/nvidia-current/375.26/source -> /usr/src/nvidia-current-375.26
lrwxrwxrwx 1 root root 31 Mar 17 08:16
/var/lib/dkms/nvidia-current/384.111/source -> /usr/src/nvidia-current-384.111
lrwxrwxrwx 1 root root 26 Jul 22 2017
/var/lib/dkms/virtualbox/5.1.24/source -> /usr/src/virtualbox-5.1.24
lrwxrwxrwx 1 root root 26 May 3 07:56
/var/lib/dkms/virtualbox/5.2.10/source -> /usr/src/virtualbox-5.2.10
root@dpcl063:~# ls -alLd /var/lib/dkms/*/*/source
ls: cannot access '/var/lib/dkms/nvidia-current/375.26/source': No such
file or directory
ls: cannot access '/var/lib/dkms/virtualbox/5.1.24/source': No such
file or directory
drwxr-xr-x 4 root root 4096 Jan 8 16:21
/var/lib/dkms/aufs/4.9+20161219/source
drwxr-xr-x 7 root root 4096 Feb 5 08:45
/var/lib/dkms/nvidia-current/384.111/source
drwxr-xr-x 12 root root 4096 Apr 21 21:03
/var/lib/dkms/virtualbox/5.2.10/source
Hope this helps
Regards
Harri
