apt install linux-headers-$(uname -r)

apt install linux-headers-$(uname -r)
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  linux-headers-3.16.0-6-common linux-kbuild-3.16
The following NEW packages will be installed:
  linux-headers-3.16.0-6-amd64 linux-headers-3.16.0-6-common linux-kbuild-3.16
0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 5,230 kB of archives.
After this operation, 25.6 MB of additional disk space will be used.
Do you want to continue? [Y/n] yes
Get:1 http://ftp.gr.debian.org/debian/ jessie/main linux-headers-3.16.0-6-common amd64 3.16.56-1+deb8u1 [4,602 kB]
Get:2 http://ftp.gr.debian.org/debian/ jessie/main linux-kbuild-3.16 amd64 3.16.56-1 [176 kB]
Get:3 http://ftp.gr.debian.org/debian/ jessie/main linux-headers-3.16.0-6-amd64 amd64 3.16.56-1+deb8u1 [452 kB]
Fetched 5,230 kB in 2s (2,561 kB/s)
Selecting previously unselected package linux-headers-3.16.0-6-common.
(Reading database ... 337859 files and directories currently installed.)
Preparing to unpack .../linux-headers-3.16.0-6-common_3.16.56-1+deb8u1_amd64.deb ...
Unpacking linux-headers-3.16.0-6-common (3.16.56-1+deb8u1) ...
Selecting previously unselected package linux-kbuild-3.16.
Preparing to unpack .../linux-kbuild-3.16_3.16.56-1_amd64.deb ......................................]
Unpacking linux-kbuild-3.16 (3.16.56-1) ...
Selecting previously unselected package linux-headers-3.16.0-6-amd64.
Preparing to unpack .../linux-headers-3.16.0-6-amd64_3.16.56-1+deb8u1_amd64.deb ...
Unpacking linux-headers-3.16.0-6-amd64 (3.16.56-1+deb8u1) ...
Setting up linux-headers-3.16.0-6-common (3.16.56-1+deb8u1) ...
Setting up linux-kbuild-3.16 (3.16.56-1) ...
Setting up linux-headers-3.16.0-6-amd64 (3.16.56-1+deb8u1) ...
Examining /etc/kernel/header_postinst.d.
run-parts: executing /etc/kernel/header_postinst.d/dkms 3.16.0-6-amd64