From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 26 Jul 2019 07:24:11 +0000 (+0200)
Subject: man: document the new sysctl.d/ - prefix
X-Git-Tag: v243-rc1~31^2~3
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e08be64937;p=thirdparty%2Fsystemd.git

man: document the new sysctl.d/ - prefix
---

diff --git a/man/sysctl.d.xml b/man/sysctl.d.xml
index 0a8eeb62a46..21ef6de97c7 100644
--- a/man/sysctl.d.xml
+++ b/man/sysctl.d.xml
@@ -59,6 +59,10 @@
     <filename>/proc/sys/net/ipv4/conf/enp3s0.200/forwarding</filename>.
     </para>
 
+    <para>If a variable assignment is prefixed with a single <literal>-</literal> character, any attempts to
+    set it that fail will be ignored (though are logged). Moreover, any access permission errors, and
+    attempts to write variables not defined on the local system are ignored (and logged) too.</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