make clean error while compiling PF_RING

[Kaveh Khosravi]

hi 

I got this error 

Could anyone help me on this ?

[root@CentOS-Snort ~]# cd PF_RING

[root@CentOS-Snort PF_RING]# ls

doc  drivers  kernel  legacy  Makefile  output  README  README.DNA  README.FIRST  userland  vPF_RING

[root@CentOS-Snort PF_RING]# make clean

cd kernel; make clean

make[1]: Entering directory `/root/PF_RING/kernel'

make -C /lib/modules/2.6.32-504.el6.x86_64/build SUBDIRS=/root/PF_RING/kernel clean

make: Entering an unknown directory

make: *** /lib/modules/2.6.32-504.el6.x86_64/build: No such file or directory.  Stop.

make: Leaving an unknown directory

make[1]: *** [clean] Error 2

make[1]: Leaving directory `/root/PF_RING/kernel'

make: *** [clean] Error 2

[root@CentOS-Snort PF_RING]#

--------------------------------------------------

[root@CentOS-Snort kernel]# uname -a

Linux CentOS-Snort 2.6.32-504.el6.x86_64 #1 SMP Wed Oct 15 04:27:16 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

[root@CentOS-Snort kernel]#

I have also installed vmware tools as well 

[livio]

It looks like you are missing the kernel headers.
google how to install the kernel headers.

[Kaveh Khosravi]

Do you know how should I fix it ? I already installed kernel-headers but when I want issue the command make clean it does not work ?