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94 lines
2.9 KiB
XML
94 lines
2.9 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="ch-tools-lo" role="wrap">
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<?dbhtml filename="lo-iface.html"?>
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<sect1info condition="script">
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<productname>iproute2</productname>
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<productnumber>&iproute2-version;</productnumber>
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<address>&iproute2-url;</address>
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</sect1info>
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<title>Setting Up Loopback Network Interface with IPRoute-&iproute2-version;</title>
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<indexterm zone="ch-tools-lo">
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<primary sortas="a-IPRoute2">IPRoute2</primary>
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<secondary>tools</secondary>
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</indexterm>
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<sect2 role="package">
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<title/>
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<para>The IPRoute2 package contains programs for basic and advanced IPV4-based
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networking. Now we need <command>ip</command> from it to bring up
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loopback network interface, which is expected by the testsuites of
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various packages.</para>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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<segtitle>&diskspace;</segtitle>
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<seglistitem>
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<seg>&iproute2-tmp-sbu;</seg>
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<seg>&iproute2-tmp-du;</seg>
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</seglistitem>
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</segmentedlist>
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</sect2>
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<sect2 role="installation">
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<title>Use IPRoute2 to Set Up Loopback Network Interface</title>
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<para>IPRoute2 package has several dependencies not installed yet, but
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we only need <command>ip</command> utility from the package now.
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Disable the build of other utilities:</para>
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<screen><userinput remap="pre">sed '/SUBDIRS/s/=.*/=lib ip/' -i Makefile</userinput></screen>
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<para>Compile the package:</para>
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<screen><userinput remap="make">PKG_CONFIG=false make</userinput></screen>
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<variablelist>
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<title>The meaning of the environment variable:</title>
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<varlistentry>
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<term><parameter>PKG_CONFIG=false</parameter></term>
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<listitem>
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<para>The building system attempts to find dependencies with
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<command>pkg-config</command>, which is not installed yet.
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We can override it since <command>ip</command> utility does not
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need these dependencies.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>It's not needed to install the <command>ip</command> utility now.
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Just bring up the loopback interface:</para>
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<screen><userinput remap="install">ip/ip link set lo up</userinput></screen>
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<para>Verify the result:</para>
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<screen><userinput remap="install">ip/ip addr</userinput></screen>
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<para>The command above should show <literal>127.0.0.1/8</literal>
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as the IPv4 address of <literal>lo</literal>, and
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<literal>::1/128</literal> as the IPv6 address.</para>
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</sect2>
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<sect2 role="content">
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<title/>
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<para>Details on this package are located in <xref linkend="contents-iproute2" role="."/></para>
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</sect2>
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</sect1>
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