X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsysctl.d.xml;h=db53b495998b27671662d0c31619305a6fd93670;hb=06c17c39a8345deef1ecff4dd5ef262f968c9be2;hp=155427cecf03d09b5a61ab97fe5bb3888e1926d5;hpb=7b4977254cdc1203b44211e00cdb3a0c318cfcf2;p=elogind.git
diff --git a/man/sysctl.d.xml b/man/sysctl.d.xml
index 155427cec..db53b4959 100644
--- a/man/sysctl.d.xml
+++ b/man/sysctl.d.xml
@@ -68,13 +68,26 @@
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
- names. kernel.domainname=foo and
- kernel/domainname=foo hence are
- entirely equivalent.
+ is # or ; are
+ ignored.
+
+ Note that either / or
+ . may be used as separators within
+ sysctl variable names. If the first separator is a
+ slash, remaining slashes and dots are left intact. If
+ the first separator is a dot, dots and slashes are
+ interchanged. kernel.domainname=foo
+ and kernel/domainname=foo are
+ equivalent and will cause foo to
+ be written to
+ /proc/sys/kernel/domainname.
+ Either
+ net.ipv4.conf.enp3s0/200.forwarding
+ or
+ net/ipv4/conf/enp3s0.200/forwarding
+ may be used to refer to
+ /proc/sys/net/ipv4/conf/enp3s0.200/forwarding.
+
Each configuration file shall be named in the
style of program.conf.
@@ -89,10 +102,10 @@
administrator, who may use this logic to override the
configuration files installed by vendor packages. All
configuration files are sorted by their filename in
- alphabetical order, regardless in which of the
- directories they reside. If multiple files specify the
+ lexicographic order, regardless of which of the
+ directories they reside in. If multiple files specify the
same variable name, the entry in the file with the
- alphabetically latest name will be applied. It is
+ 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.
@@ -103,6 +116,16 @@
/dev/null in
/etc/sysctl.d/ bearing the
same filename.
+
+ The settings configured with
+ sysctl.d files will be applied
+ early on boot. The network interface-specific options
+ will also be applied individually for each network
+ interface as it shows up in the system. (More
+ specifically,
+ net.ipv4.conf.*,
+ net.ipv6.conf.*,
+ net.ipv4.neigh.* and net.ipv6.neigh.*)