X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=man%2Fsysctl.d.xml;h=854864cffcb86c695b70c1904a63775f587830f3;hb=72f4d9669c253d5bd7c126bf2e7a0db0198cf2eb;hp=4f30276ad4e9aba8901f96fdc076abc1d6f84d4b;hpb=5430f7f2bc7330f3088b894166bf3524a067e3d8;p=elogind.git
diff --git a/man/sysctl.d.xml b/man/sysctl.d.xml
index 4f30276ad..854864cff 100644
--- a/man/sysctl.d.xml
+++ b/man/sysctl.d.xml
@@ -54,19 +54,21 @@
Description
- systemd uses configuration
- files from the above directories to configure
- sysctl8
- kernel parameters during boot.
+ At boot,
+ systemd-sysctl.service8
+ reads configuration files from the above directories
+ to configure
+ sysctl8
+ kernel parameters.
- Configuration Format
+ Configuration Format
- The configuration files contain a list of
- variable assignments, separated by newlines. Empty
- lines and lines whose first non-whitespace character
- is # or ; are ignored.
+ The configuration files contain a list of
+ variable assignments, separated by newlines. Empty
+ lines and lines whose first non-whitespace character
+ is # or ; are ignored.
Note that both / and . are accepted as label
separators within sysctl variable
@@ -75,30 +77,32 @@
entirely equivalent.
Each configuration file shall be named in the
- style of <program>.conf.
- Files in /run/ override files
- with the same name in /usr/lib/.
- Files in /etc override files with
- the same name in /run/ and
- /usr/lib/. Packages should
- install their configuration files in
+ style of program.conf.
+ Files in /etc/ override files
+ with the same name in /usr/lib/
+ and /run/. Files in
+ /run/ override files with the same
+ name in /usr/lib/. Packages
+ should install their configuration files in
/usr/lib/. Files in
/etc/ are reserved for the local
administrator, who may use this logic to override the
- configuration installed by vendor packages. All
- configuration files are sorted by their name in
- alphabetical order, regardless in which of the
- directories they reside, to guarantee that a specific
- configuration file takes precedence over another file
- with an alphabetically earlier name, if both files
- contain the same variable setting.
+ configuration files installed by vendor packages. All
+ configuration files are sorted by their filename in
+ lexicographic order, regardless in which of the
+ directories they reside. If multiple files specify the
+ same variable name, the entry in the file with the
+ lexicographically latest name will be applied. It is
+ recommended to prefix all filenames with a two-digit
+ number and a dash, to simplify the ordering of the
+ files.
If the administrator wants to disable a
- configuration file supplied by the vendor the
+ configuration file supplied by the vendor, the
recommended way is to place a symlink to
/dev/null in
- /etc/sysctl.d carrying with the
- same name.
+ /etc/sysctl.d/ bearing the
+ same filename.
@@ -115,6 +119,8 @@ kernel.domainname=example.com
See Also
systemd1,
+ systemd-sysctl.service8,
+ systemd-delta1,
sysctl8,
sysctl.conf5