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117 lines
4.6 KiB
XML
117 lines
4.6 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="nss-mymachines" conditional='ENABLE_MACHINED'>
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<refentryinfo>
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<title>nss-mymachines</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>nss-mymachines</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>nss-mymachines</refname>
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<refname>libnss_mymachines.so.2</refname>
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<refpurpose>Provide hostname resolution for local
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container instances.</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>libnss_mymachines.so.2</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>nss-mymachines</command> is a plugin
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for the GNU Name Service Switch (NSS) functionality of
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the GNU C Library (<command>glibc</command>) providing
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hostname resolution for containers running locally,
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that are registered with
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<citerefentry><refentrytitle>systemd-machined.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. The
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container names are resolved to IP addresses of the
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specific container, ordered by their scope.</para>
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<para>To activate the NSS modules,
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<literal>mymachines</literal> has to be added to the
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line starting with <literal>hosts:</literal> in
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<filename>/etc/nsswitch.conf</filename>.</para>
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<para>It is recommended to place
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<literal>mymachines</literal> near the end of the
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<filename>nsswitch.conf</filename> line to make sure
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that this mapping is only used as fallback, and any
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DNS or <filename>/etc/hosts</filename> based mapping
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takes precedence.</para>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<para>Here's an example
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<filename>/etc/nsswitch.conf</filename> file, that
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enables <command>mymachines</command>
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correctly:</para>
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<programlisting>passwd: compat
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group: compat
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shadow: compat
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hosts: files dns <command>mymachines</command> myhostname
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networks: files
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protocols: db files
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services: db files
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ethers: db files
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rpc: db files
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netgroup: nis</programlisting>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-machined.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>nss-myhostname</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry project='man-pages'><refentrytitle>nsswitch.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry project='man-pages'><refentrytitle>getent</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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