final v236 update (#7649)

[thirdparty/systemd.git] / man / nss-systemd.xml

diff --git a/man/nss-systemd.xml b/man/nss-systemd.xml
index 4228372e51d982742c2c8ab6cdbcec13d2226fba..0114a6f9369d514e7e529dcaf5cc714a7b679551 100644 (file)
--- a/man/nss-systemd.xml
+++ b/man/nss-systemd.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
@@ -21,7 +23,7 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 -->
 
-<refentry id="nss-systemd">
+<refentry id="nss-systemd" conditional='ENABLE_NSS_SYSTEMD'>
 
   <refentryinfo>
     <title>nss-systemd</title>
@@ -61,6 +63,10 @@
     <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry> for details on
     this option.</para>
 
+    <para>This module also ensures that the root and nobody users and groups (i.e. the users/groups with the UIDs/GIDs
+    0 and 65534) remain resolvable at all times, even if they aren't listed in <filename>/etc/passwd</filename> or
+    <filename>/etc/group</filename>, or if these files are missing.</para>
+
     <para>To activate the NSS module, add <literal>systemd</literal> to the lines starting with
     <literal>passwd:</literal> and <literal>group:</literal> in <filename>/etc/nsswitch.conf</filename>.</para>
 
@@ -79,7 +85,7 @@
 group:          compat mymachines <command>systemd</command>
 shadow:         compat
 
-hosts:          files mymachines resolve myhostname
+hosts:          files mymachines resolve [!UNAVAIL=return] dns myhostname
 networks:       files
 
 protocols:      db files