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author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-09-15 01:52:25 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-09-15 01:52:25 -0400 |
commit | 5e1f646c67c954fe7d55a747e3ffdd07e20cb46a (patch) | |
tree | 05b5a37f021b133682b0f7ebe31b8201f7f78f42 /src/grp-resolve/nss-resolve/nss-resolve.xml | |
parent | 17b593aacd4e8d056f2be860a7b744004892ecbd (diff) |
./tools/notsd-move
Diffstat (limited to 'src/grp-resolve/nss-resolve/nss-resolve.xml')
-rw-r--r-- | src/grp-resolve/nss-resolve/nss-resolve.xml | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/grp-resolve/nss-resolve/nss-resolve.xml b/src/grp-resolve/nss-resolve/nss-resolve.xml new file mode 100644 index 0000000000..d9e56453e8 --- /dev/null +++ b/src/grp-resolve/nss-resolve/nss-resolve.xml @@ -0,0 +1,111 @@ +<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- + This file is part of systemd. + + Copyright 2011 Lennart Poettering + Copyright 2013 Tom Gundersen + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> + +<refentry id="nss-resolve" conditional='ENABLE_RESOLVED'> + + <refentryinfo> + <title>nss-resolve</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Lennart</firstname> + <surname>Poettering</surname> + <email>lennart@poettering.net</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>nss-resolve</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>nss-resolve</refname> + <refname>libnss_resolve.so.2</refname> + <refpurpose>Provide hostname resolution via <filename>systemd-resolved.service</filename></refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>libnss_resolve.so.2</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><command>nss-resolve</command> is a plug-in module for the GNU Name Service Switch (NSS) functionality of the + GNU C Library (<command>glibc</command>) enabling it to resolve host names via the + <citerefentry><refentrytitle>systemd-resolved</refentrytitle><manvolnum>8</manvolnum></citerefentry> local network + name resolution service. It replaces the <command>nss-dns</command> plug-in module that traditionally resolves + hostnames via DNS.</para> + + <para>To activate the NSS module, add <literal>resolve</literal> to the line starting with + <literal>hosts:</literal> in <filename>/etc/nsswitch.conf</filename>.</para> + + <para>It is recommended to place <literal>resolve</literal> early in <filename>/etc/nsswitch.conf</filename>' + <literal>hosts:</literal> line (but after the <literal>files</literal> or <literal>mymachines</literal> entries), + replacing the <literal>dns</literal> entry if it exists, to ensure DNS queries are always routed via + <citerefentry><refentrytitle>systemd-resolved</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para> + + <para>Note that <command>nss-resolve</command> will chain-load <command>nss-dns</command> if + <filename>systemd-resolved.service</filename> is not running, ensuring that basic DNS resolution continues to work + if the service is down.</para> + </refsect1> + + <refsect1> + <title>Example</title> + + <para>Here is an example <filename>/etc/nsswitch.conf</filename> file that enables <command>nss-resolve</command> + correctly:</para> + +<programlisting>passwd: compat mymachines +group: compat mymachines +shadow: compat + +hosts: files mymachines <command>resolve</command> myhostname +networks: files + +protocols: db files +services: db files +ethers: db files +rpc: db files + +netgroup: nis</programlisting> + + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-resolved</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>nss-mymachines</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>nss-myhostname</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>nsswitch.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |