<computeroutput>$ </computeroutput><userinput>sudo apt install dahdi-dkms</userinput>
<computeroutput><![CDATA[[...]
Setting up dkms (2.8.4-3) ...
Setting up linux-headers-5.10.0-8-amd64 (5.10.46-4) ...
/etc/kernel/header_postinst.d/dkms:
dkms: running auto installation service for kernel 5.10.0-8-amd64:.
Setting up dahdi-dkms (1:2.11.1.0.20170917~dfsg-7.4) ...
Loading new dahdi-2.11.1.0.20170917~dfsg-7.4 DKMS files...
Building for 5.10.0-8-amd64
Building initial module for 5.10.0-8-amd64
Done.

dahdi_dummy.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/5.10.0-8-amd64/updates/dkms/

dahdi_dynamic_eth.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/5.10.0-8-amd64/updates/dkms/

[...]
DKMS: install completed.]]>
$ </computeroutput><userinput>sudo dkms status</userinput>
<computeroutput>dahdi, 2.11.1.0.20170917~dfsg-7.4, 5.10.0-8-amd64, x86_64: installed
$ </computeroutput><userinput>sudo modinfo dahdi_dummy</userinput>
<computeroutput><![CDATA[filename:       /lib/modules/5.10.0-8-amd64/updates/dkms/dahdi_dummy.ko
license:        GPL v2
author:         Robert Pleh <robert.pleh@hermes.si>
description:    Timing-Only Driver
depends:        dahdi
retpoline:      Y
name:           dahdi_dummy
vermagic:       5.10.0-8-amd64 SMP mod_unload modversions 
parm:           debug:int
]]></computeroutput>
<computeroutput>$ </computeroutput><userinput>sudo apt install xtables-addons-dkms</userinput>
<computeroutput>
[...]
Setting up xtables-addons-dkms (2.6-1) ...
Loading new xtables-addons-2.6 DKMS files...
First Installation: checking all kernels...
Building only for 3.16.0-4-amd64
Building initial module for 3.16.0-4-amd64
Done.

xt_ACCOUNT:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/3.16.0-4-amd64/updates/dkms/
[...]
DKMS: install completed.
$ </computeroutput><userinput>sudo dkms status</userinput>
<computeroutput>xtables-addons, 2.6, 3.16.0-4-amd64, x86_64: installed
$ </computeroutput><userinput>sudo modinfo xt_ACCOUNT</userinput>
<computeroutput>filename:       /lib/modules/3.16.0-4-amd64/updates/dkms/xt_ACCOUNT.ko
license:        GPL
alias:          ipt_ACCOUNT
author:         Intra2net AG &lt;opensource@intra2net.com&gt;
description:    Xtables: per-IP accounting for large prefixes
[...]
</computeroutput>