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| author | Leo Famulari <leo@famulari.name> | 2021-03-16 21:36:36 -0400 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2021-03-18 12:17:33 +0100 |
| commit | 898489f48e436e45e86e1ba0fcdb6df5cd5a051a (patch) | |
| tree | c9a100f2a5278eb0dfb629ec092f7f0d707c82a9 /doc | |
| parent | 45695cc8a7b56b711baf664ceedaa66124d6de26 (diff) | |
| download | guix-898489f48e436e45e86e1ba0fcdb6df5cd5a051a.tar guix-898489f48e436e45e86e1ba0fcdb6df5cd5a051a.tar.gz | |
services: Enable "protected hardlinks" and "protected symlinks" by default.
References:
https://sysctl-explorer.net/fs/protected_hardlinks/
https://sysctl-explorer.net/fs/protected_symlinks/
* gnu/services/sysctl.scm (%default-sysctl-settings): New public variable.
(<sysctl-configuration>): Use %default-sysctl-settings as the default value.
* gnu/services/base.scm (%base-services): Add sysctl-service-type.
* doc/guix.texi (Miscellaneous Services): Document the new defaults.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 0a70ac7f11..73757be887 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -31378,6 +31378,21 @@ instantiated as: (sysctl-configuration (settings '(("net.ipv4.ip_forward" . "1"))))) @end lisp + +Since @code{sysctl-service-type} is used in the default lists of +services, @code{%base-services} and @code{%desktop-services}, you can +use @code{modify-services} to change its configuration and add the +kernel parameters that you want (@pxref{Service Reference, +@code{modify-services}}). + +@lisp +(modify-services %base-services + (sysctl-service-type config => + (sysctl-configuration + (settings (append '(("net.ipv4.ip_forward" . "1")) + %default-sysctl-settings))))) +@end lisp + @end defvr @deftp {Data Type} sysctl-configuration @@ -31387,11 +31402,16 @@ The data type representing the configuration of @command{sysctl}. @item @code{sysctl} (default: @code{(file-append procps "/sbin/sysctl"}) The @command{sysctl} executable to use. -@item @code{settings} (default: @code{'()}) +@item @code{settings} (default: @code{%default-sysctl-settings}) An association list specifies kernel parameters and their values. @end table @end deftp +@defvr {Scheme Variable} %default-sysctl-settings +An association list specifying the default @command{sysctl} parameters +on Guix System. +@end defvr + @cindex pcscd @subsubheading PC/SC Smart Card Daemon Service |