diff options
Diffstat (limited to 'nixos/doc/manual')
| -rw-r--r-- | nixos/doc/manual/configuration/linux-kernel.xml | 51 | ||||
| -rw-r--r-- | nixos/doc/manual/release-notes/rl-1809.xml | 44 |
2 files changed, 91 insertions, 4 deletions
diff --git a/nixos/doc/manual/configuration/linux-kernel.xml b/nixos/doc/manual/configuration/linux-kernel.xml index 6502aaec83e..f4d697c42db 100644 --- a/nixos/doc/manual/configuration/linux-kernel.xml +++ b/nixos/doc/manual/configuration/linux-kernel.xml @@ -67,6 +67,57 @@ nixpkgs.config.packageOverrides = pkgs: parameters, run <command>sysctl -a</command>. </para> <section> + <title>Customize your kernel</title> + + <para> + The first step before compiling the kernel is to generate an appropriate + <literal>.config</literal> configuration. Either you pass your own config via + the <literal>configfile</literal> setting of <literal>linuxManualConfig</literal>: + <screen><![CDATA[ + custom-kernel = super.linuxManualConfig { + inherit (super) stdenv hostPlatform; + inherit (linux_4_9) src; + version = "${linux_4_9.version}-custom"; + + configfile = /home/me/my_kernel_config; + allowImportFromDerivation = true; + }; + ]]></screen> + +You can edit the config with this snippet (by default <command>make menuconfig</command> won't work + out of the box on nixos): + <screen><![CDATA[ + nix-shell -E 'with import <nixpkgs> {}; kernelToOverride.overrideAttrs (o: {nativeBuildInputs=o.nativeBuildInputs ++ [ pkgconfig ncurses ];})' + ]]></screen> + + + or you can let nixpkgs generate the configuration. + Nixpkgs generates it via answering the interactive kernel utility <command>make config</command>. + The answers depend on parameters passed to <filename>pkgs/os-specific/linux/kernel/generic.nix</filename> + (which you can influence by overriding <literal>extraConfig, autoModules, modDirVersion, preferBuiltin, extraConfig</literal>). +<screen><![CDATA[ + + mptcp93.override ({ + name="mptcp-local"; + + ignoreConfigErrors = true; + autoModules = false; + kernelPreferBuiltin = true; + + enableParallelBuilding = true; + + extraConfig = '' + DEBUG_KERNEL y + FRAME_POINTER y + KGDB y + KGDB_SERIAL_CONSOLE y + DEBUG_INFO y + ''; + }); + ]]></screen> + </para> + </section> + <section> <title>Developing kernel modules</title> <para> diff --git a/nixos/doc/manual/release-notes/rl-1809.xml b/nixos/doc/manual/release-notes/rl-1809.xml index ae0f35046ff..f57fd75c782 100644 --- a/nixos/doc/manual/release-notes/rl-1809.xml +++ b/nixos/doc/manual/release-notes/rl-1809.xml @@ -121,6 +121,12 @@ $ nix-instantiate -E '(import <nixpkgsunstable> {}).gitFull' <literal>gnucash24</literal>. </para> </listitem> + <listitem> + <para> + <varname>services.munge</varname> now runs as user (and group) <literal>munge</literal> instead of root. + Make sure the key file is accessible to the daemon. + </para> + </listitem> </itemizedlist> </section> @@ -172,9 +178,26 @@ $ nix-instantiate -E '(import <nixpkgsunstable> {}).gitFull' </listitem> <listitem> <para> - <literal>lib.traceValIfNot</literal> has been deprecated. Use - <literal>if/then/else</literal> and <literal>lib.traceValSeq</literal> - instead. + The <literal>pkgs</literal> argument to NixOS modules can now be set directly using <literal>nixpkgs.pkgs</literal>. Previously, only the <literal>system</literal>, <literal>config</literal> and <literal>overlays</literal> arguments could be used to influence <literal>pkgs</literal>. + </para> + </listitem> + <listitem> + <para> + A NixOS system can now be constructed more easily based on a preexisting invocation of Nixpkgs. For example: + <programlisting> +inherit (pkgs.nixos { + boot.loader.grub.enable = false; + fileSystems."/".device = "/dev/xvda1"; +}) toplevel kernel initialRamdisk manual; + </programlisting> + + This benefits evaluation performance, lets you write Nixpkgs packages that depend on NixOS images and is consistent with a deployment architecture that would be centered around Nixpkgs overlays. + </para> + </listitem> + <listitem> + <para> + <literal>lib.traceValIfNot</literal> has been deprecated. Use + <literal>if/then/else</literal> and <literal>lib.traceValSeq</literal> instead. </para> </listitem> <listitem> @@ -265,11 +288,24 @@ $ nix-instantiate -E '(import <nixpkgsunstable> {}).gitFull' </listitem> <listitem> <para> - Recommented way to access the Kubernetes Dashboard is with HTTPS (TLS) + Recommended way to access the Kubernetes Dashboard is via HTTPS (TLS) Therefore; public service port for the dashboard has changed to 443 (container port 8443) and scheme to https. </para> </listitem> + <listitem> + <para> + The option <varname>services.kubernetes.apiserver.address</varname> + was renamed to <varname>services.kubernetes.apiserver.bindAddress</varname>. + Note that the default value has changed from 127.0.0.1 to 0.0.0.0. + </para> + </listitem> + <listitem> + <para> + The option <varname>services.kubernetes.apiserver.publicAddress</varname> + was not used and thus has been removed. + </para> + </listitem> </itemizedlist> </section> </section> |