檢視核心的發行版：uname -r（--kernel-release）

$ uname -r
4.4.0-78-generic

核心原始碼所在的位置：/usr/src

$ cd /usr/src
$ ll
drwxr-xr-x  8 root root 4096 May 21 04:57 ./
drwxr-xr-x 11 root root 4096 Apr 20  2016 ../
drwxr-xr-x 27 root root 4096 Feb 26 19:04 linux-headers-4.4.0-64/
drwxr-xr-x  7 root root 4096 Feb 26 19:04 linux-headers
 
-4.4.0-64-generic/
drwxr-xr-x 27 root root 4096 May  1 01:10 linux-headers-4.4.0-75/
drwxr-xr-x  7 root root 4096 May  1 01:10 linux-headers-4.4.0-75-generic/
drwxr-xr-x 27 root root 4096 May 21 02:58 linux-headers-4.4.0-78/
drwxr-xr-x  7 root root 4096 May 21 02:58 linux-headers-4.4.0-78-generic/
lrwxrwxrwx  1 root root   32
 
 Apr 28 09:39 vboxhost-5.1.22 -> ../share/virtualbox/src/vboxhost/

綜上，這裡的核心原始碼路徑（–kernel-source-path）即為：/usr/src/linux-headers-4.4.0-78-generic/