man: mention XDG_CONFIG_HOME in systemd.unit

[elogind.git] / man / sysctl.d.xml

diff --git a/man/sysctl.d.xml b/man/sysctl.d.xml
index 0ef5545163bd49c3ec16ebd2482b101df7ebd00b..00a857b11a3cd4ca30140db9f61cff8a4d943a2a 100644 (file)
--- a/man/sysctl.d.xml
+++ b/man/sysctl.d.xml
@@ -77,7 +77,7 @@
                 entirely equivalent.</para>
 
                 <para>Each configuration file shall be named in the
-                style of <filename>&lt;program&gt;.conf</filename>.
+                style of <filename><replaceable>program</replaceable>.conf</filename>.
                 Files in <filename>/etc/</filename> override files
                 with the same name in <filename>/usr/lib/</filename>
                 and <filename>/run/</filename>.  Files in
@@ -89,18 +89,30 @@
                 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, to guarantee that a specific
-                configuration file takes precedence over another file
-                with an alphabetically later name, if both files
-                contain the same variable setting.</para>
+                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
+                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.</para>
 
                 <para>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
                 <filename>/dev/null</filename> in
                 <filename>/etc/sysctl.d/</filename> bearing the
-                same file name.</para>
+                same filename.</para>
+
+                <para>The settings configured with
+                <filename>sysctl.d</filename> 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, that is
+                <filename>net.ipv4.conf.*</filename>,
+                <filename>net.ipv6.conf.*</filename>,
+                <filename>net.ipv4.neigh.*</filename> and <filename>net.ipv6.neigh.*</filename>)</para>
         </refsect1>
 
         <refsect1>