lfs-book-zh_CN/chapter06/inetutils.xml

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<sect1 id="ch-system-inetutils" role="wrap">
  <?dbhtml filename="inetutils.html"?>

  <sect1info condition="script">
    <productname>inetutils</productname>
    <productnumber>&inetutils-version;</productnumber>
    <address>&inetutils-url;</address>
  </sect1info>

  <title>Inetutils-&inetutils-version;</title>

  <indexterm zone="ch-system-inetutils">
    <primary sortas="a-Inetutils">Inetutils</primary>
  </indexterm>

  <sect2 role="package">
    <title/>

    <para>The Inetutils package contains programs for basic networking.</para>

    <segmentedlist>
      <segtitle>&buildtime;</segtitle>
      <segtitle>&diskspace;</segtitle>

      <seglistitem>
        <seg>&inetutils-ch6-sbu;</seg>
        <seg>&inetutils-ch6-du;</seg>
      </seglistitem>
    </segmentedlist>

  </sect2>

  <sect2 role="installation">
    <title>Installation of Inetutils</title>

    <para>Prepare Inetutils for compilation:</para>

<screen><userinput remap="configure">./configure --prefix=/usr        \
            --localstatedir=/var \
            --disable-logger     \
            --disable-whois      \
            --disable-rcp        \
            --disable-rexec      \
            --disable-rlogin     \
            --disable-rsh        \
            --disable-servers</userinput></screen>

    <variablelist>
      <title>The meaning of the configure options:</title>

      <varlistentry>
        <term><parameter>--disable-logger</parameter></term>
        <listitem>
          <para>This option prevents Inetutils from installing the
          <command>logger</command> program, which is used by scripts to
          pass messages to the System Log Daemon. Do not install it because
          Util-linux installs a more recent version.</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><parameter>--disable-whois</parameter></term>
        <listitem>
          <para>This option disables the building of the Inetutils
          <command>whois</command> client, which is out of date. Instructions for
          a better <command>whois</command> client are in the BLFS book.</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><parameter>--disable-r*</parameter></term>
        <listitem>
          <para>These parameters disable building obsolete programs that should not
          be used due to security issues. The functions provided by these
          programs can be provided by the <application>openssh</application>
          package in the BLFS book.</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><parameter>--disable-servers</parameter></term>
        <listitem>
          <para>This disables the installation of the various network servers
          included as part of the Inetutils package. These servers are deemed not
          appropriate in a basic LFS system. Some are insecure by nature and are
          only considered safe on trusted networks. Note that
          better replacements are available for many of these servers.</para>
        </listitem>
      </varlistentry>

    </variablelist>

    <para>Compile the package:</para>

<screen><userinput remap="make">make</userinput></screen>

    <para>To test the results, issue:</para>

<screen><userinput remap="test">make check</userinput></screen>

    <note><para>One test, libls.sh, may fail in the initial chroot
    environment but will pass if the test is rerun after the LFS system
    is complete.</para></note>

    <para>Install the package:</para>

<screen><userinput remap="install">make install</userinput></screen>

    <para>Move some programs so they are available if <filename
    class='directory'>/usr</filename> is not accessible:</para>

<screen><userinput remap="install">mv -v /usr/bin/{hostname,ping,ping6,traceroute} /bin
mv -v /usr/bin/ifconfig /sbin</userinput></screen>

  </sect2>

  <sect2 id="contents-inetutils" role="content">
    <title>Contents of Inetutils</title>

    <segmentedlist>
      <segtitle>Installed programs</segtitle>

      <seglistitem>
        <seg>dnsdomainname, ftp, ifconfig, hostname, ping, ping6, 
        talk, telnet, tftp, and traceroute</seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="dnsdomainname">
        <term><command>dnsdomainname</command></term>
        <listitem>
        <para>Show the system's DNS domain name</para>
        <indexterm zone="ch-system-inetutils dnsdomainname">
          <primary sortas="b-dnsdomainname">dnsdomainname</primary>
        </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="ftp">
        <term><command>ftp</command></term>
        <listitem>
        <para>Is the file transfer protocol program</para>
        <indexterm zone="ch-system-inetutils ftp">
          <primary sortas="b-ftp">ftp</primary>
        </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="hostname">
        <term><command>hostname</command></term>
        <listitem>
          <para>Reports or sets the name of the host</para>
          <indexterm zone="ch-system-inetutils hostname">
            <primary sortas="b-hostname">hostname</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="ifconfig">
        <term><command>ifconfig</command></term>
        <listitem>
        <para>Manages network interfaces</para>
        <indexterm zone="ch-system-inetutils ifconfig">
          <primary sortas="b-ifconfig">ifconfig</primary>
        </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="ping">
        <term><command>ping</command></term>
        <listitem>
          <para>Sends echo-request packets and reports how long the replies
          take</para>
          <indexterm zone="ch-system-inetutils ping">
            <primary sortas="b-ping">ping</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="ping6">
        <term><command>ping6</command></term>
        <listitem>
          <para>A version of <command>ping</command> for IPv6 networks</para>
          <indexterm zone="ch-system-inetutils ping6">
            <primary sortas="b-ping6">ping6</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="talk">
        <term><command>talk</command></term>
        <listitem>
          <para>Is used to chat with another user</para>
          <indexterm zone="ch-system-inetutils talk">
            <primary sortas="b-talk">talk</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="telnet">
        <term><command>telnet</command></term>
        <listitem>
          <para>An interface to the TELNET protocol</para>
          <indexterm zone="ch-system-inetutils telnet">
            <primary sortas="b-telnet">telnet</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="tftp">
        <term><command>tftp</command></term>
        <listitem>
          <para>A trivial file transfer program</para>
          <indexterm zone="ch-system-inetutils tftp">
            <primary sortas="b-tftp">tftp</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="traceroute">
        <term><command>traceroute</command></term>
        <listitem>
          <para>Traces the route your packets take from the host you are
          working on to another host on a network, showing all the intermediate
          hops (gateways) along the way</para>
          <indexterm zone="ch-system-inetutils traceroute">
            <primary sortas="b-traceroute">traceroute</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>