Alpine kernel module support - Revision history

John3-16: Added Categories: System Administration, Kernel

2025-12-06T03:48:25Z

Added Categories: System Administration, Kernel

← Older revision		Revision as of 03:48, 6 December 2025
Line 84:		Line 84:
	* [https://github.com/jirutka/akms official github page]		* [https://github.com/jirutka/akms official github page]
	* [https://github.com/jirutka/akms/blob/master/akms.8.adoc akms(8) man page]		* [https://github.com/jirutka/akms/blob/master/akms.8.adoc akms(8) man page]

			[[Category:System Administration]]
			[[Category:Kernel]]

Prabuanand: fixed typo

2025-10-01T11:42:51Z

fixed typo

← Older revision		Revision as of 11:42, 1 October 2025
Line 53:		Line 53:
	If the module is not loaded, verify again using the above command after loading the module using the command:{{Cmd\|# modprobe 88XXau}}		If the module is not loaded, verify again using the above command after loading the module using the command:{{Cmd\|# modprobe 88XXau}}

	In the rare case, if the out-of-tree kernel module conflicts with built-in kernel driver, ~~they~~ may need to be blacklisted as shown ~~below~~:{{Cat\|/etc/modprobe.d/rtl8192eu.conf\|# Blacklist conflicting drivers		In the rare case, if the out-of-tree kernel module conflicts with built-in kernel driver, it may need to be blacklisted as shown:{{Cat\|/etc/modprobe.d/rtl8192eu.conf\|# Blacklist conflicting drivers
	blacklist rtl8xxxu}}		blacklist rtl8xxxu}}

Prabuanand: added working example with necessary wikilinks and external links

2025-10-01T11:39:44Z

added working example with necessary wikilinks and external links

@@ Line 1: / Line 1: @@
-[https://github.com/jirutka/akms Alpine Kernel Module Support] (AKMS) is a tool that enables building out-of-tree (external) Linux kernel modules from source for each installed kernel on the user’s system in an automated and organized fashion. The concept is to have kernel modules automatically rebuilt when a new kernel version is installed.
+[https://github.com/jirutka/akms Alpine Kernel Module Support] (AKMS) is an Alpine Linux tool that enables building out-of-tree (external) Linux kernel modules from source for each installed kernel on the user’s system in an automated and organized fashion. The concept is to have kernel modules automatically rebuilt when a new kernel version is installed.
-AKMS is inspired by [https://github.com/dell/dkms Dynamic Kernel Module Support] (DKMS) used on many Linux distributions. It has been designed specifically for Alpine Linux and [[ Alpine Package Keeper|APK]]; implemented with simplicity, reliability, and security in mind.
+AKMS is inspired by [https://github.com/dell/dkms Dynamic Kernel Module Support] (DKMS) used on many Linux distributions. It has been implemented with simplicity, reliability, and security in mind.
+* Builds are always executed under an unprivileged user inside a sandbox with isolated Mount, IPC, PID, Network, UTS, Cgroup, and User (if possible) namespaces.
-Builds are always executed under an unprivileged user inside a sandbox (using [[Bubblewrap]]) with isolated Mount, IPC, PID, Network, UTS, Cgroup, and User (if possible) namespaces.
+* Unlike DKMS, you don’t need to have all the dependencies for building modules permanently installed on the system. If some dependencies are missing, they are automatically installed in a disposable overlay over your real root filesystem (using [[OverlayFS]] and [[Bubblewrap|bubblewrap]]).
 == Overview ==
@@ Line 29: / Line 25: @@
 |}
-== Example ==
+== Installation ==
-* Broadcom Wi-Fi chipset [[Wi-Fi#wl|wl AKMS Driver]]
+AKMS can be used only for packages related to kernel drivers. Packages like {{pkg|rust-src}}, {{pkg|openjdk*-src}} appearing in the above list are not kernel drivers.
 == See also ==

Prabuanand: added example

2025-05-23T16:42:52Z

added example

← Older revision		Revision as of 16:42, 23 May 2025
Line 32:		Line 32:

	* Broadcom Wi-Fi chipset [[Wi-Fi#wl\|wl AKMS Driver]]		* Broadcom Wi-Fi chipset [[Wi-Fi#wl\|wl AKMS Driver]]
			* [https://github.com/alpinelinux/aports/tree/c28cf57c0b9474e9acdfeaec0d2e84d4bc758659/testing/zfs-src zfs-src]

	== See also ==		== See also ==

Prabuanand: created new page

2025-02-17T10:04:13Z

created new page

New page

[https://github.com/jirutka/akms Alpine Kernel Module Support] (AKMS) is a tool that enables building out-of-tree (external) Linux kernel modules from source for each installed kernel on the user’s system in an automated and organized fashion. The concept is to have kernel modules automatically rebuilt when a new kernel version is installed.

AKMS is inspired by [https://github.com/dell/dkms Dynamic Kernel Module Support] (DKMS) used on many Linux distributions. It has been designed specifically for Alpine Linux and [[ Alpine Package Keeper|APK]]; implemented with simplicity, reliability, and security in mind.

Builds are always executed under an unprivileged user inside a sandbox (using [[Bubblewrap]]) with isolated Mount, IPC, PID, Network, UTS, Cgroup, and User (if possible) namespaces.

The built kernel objects are automatically compressed with the same compression format as other modules installed with the given kernel. The supported formats are: “gz”, “xz” (requires {{pkg|xz}} tool), and “zst” (requires {{pkg|zstd}} tool).

Another advantage of AKMS over DKMS is that you don’t need to have all the dependencies for building modules permanently installed on the system. If some dependencies are missing, they are automatically installed in a disposable overlay over your real root filesystem (using OverlayFS and bubblewrap). The original reason for using overlay was to avoid the limitation of the APK triggers — they are executed inside a “transaction” that holds an exclusive repository lock. This means that no packages could be installed if akms was executed by a trigger. Mounting a disposable overlay on top of “/” for building the modules overcomes this limitation and also provides other benefits.

== Overview ==

AKMS has following actions with associated options and arguments.
{|
| install
| Build and install module(s) into /lib/modules, unless already built (or -r is specified) or installed.
|-
| build
| Build module(s), unless already built (or -r is specified), without installing them.
|-
| uninstall
| Uninstall module(s) from /lib/modules.
|-
| unbuild
| Remove built module(s) version(s) from the state directory.
|-
| status
| Show status of modules.
|}

== Example ==

* Broadcom Wi-Fi chipset [[Wi-Fi#wl|wl AKMS Driver]]

== See also ==

* [https://github.com/jirutka/akms official github page]
* [https://github.com/jirutka/akms/blob/master/akms.8.adoc akms(8) man page]