man: reword description of "-" for sysctl.d

Follow-up for e08be64937.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-07-26 15:01:36 +02:00
parent 6304fec37c
commit 1774d03fb2
1 changed files with 5 additions and 3 deletions

View File

@ -59,9 +59,11 @@
<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>Any access permission errors and attempts to write variables not defined on the local system are
logged, but do not cause the the service to fail. Moreover, if a variable assignment is prefixed with a
single <literal>-</literal> character, failure to set the variable will be logged, but will not cause the
service to fail. All other errors when setting variables cause the service to return failure at the end
(other variables are still processed).</para>
<para>The settings configured with <filename>sysctl.d</filename>
files will be applied early on boot. The network