mirror of
https://github.com/Zeckmathederg/glfs.git
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ff769b8c61
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@3656 af4574ff-66df-0310-9fd7-8a98e5e911e0
233 lines
7.9 KiB
XML
233 lines
7.9 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY dhcp-download-http "http://gd.tuwien.ac.at/infosys/servers/isc/dhcp/dhcp-&dhcp-version;.tar.gz">
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<!ENTITY dhcp-download-ftp "ftp://ftp.isc.org/isc/dhcp/dhcp-&dhcp-version;.tar.gz">
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<!ENTITY dhcp-md5sum "04800a111521e7442749b2ce883f962b">
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<!ENTITY dhcp-size "834 KB">
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<!ENTITY dhcp-buildsize "29.7 MB">
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<!ENTITY dhcp-time "0.22 SBU">
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]>
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<sect1 id="dhcp" xreflabel="DHCP-&dhcp-version;">
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<?dbhtml filename="dhcp.html"?>
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<title><acronym>DHCP</acronym>-&dhcp-version;</title>
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<indexterm zone="dhcp">
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<primary sortas="a-dhcp">Dhcp</primary>
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</indexterm>
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<sect2>
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<title>Introduction to
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<application><acronym>DHCP</acronym></application></title>
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<para>The <application><acronym>DHCP</acronym></application> package contains
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both the client and server programs for <acronym>DHCP</acronym>.
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<command>dhclient</command> (the client) is useful for connecting your computer
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to a network which uses <acronym>DHCP</acronym> to assign network addresses.
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<command>dhcpd</command> (the server) is useful for assigning network addresses
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on your private network.</para>
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<sect3><title>Package information</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Download (HTTP): <ulink url="&dhcp-download-http;"/></para></listitem>
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<listitem><para>Download (FTP): <ulink url="&dhcp-download-ftp;"/></para></listitem>
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<listitem><para>Download MD5 sum: &dhcp-md5sum;</para></listitem>
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<listitem><para>Download size: &dhcp-size;</para></listitem>
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<listitem><para>Estimated disk space required: &dhcp-buildsize;</para></listitem>
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<listitem><para>Estimated build time: &dhcp-time;</para></listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title><application>dhcp</application> dependencies</title>
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<sect4>
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<title>Required</title>
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<para><xref linkend="net-tools"/> (you may omit <application>net-tools</application>
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by using the following patch to utilize <application>iproute2</application>:
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<ulink url="&patch-root;/dhcp-&dhcp-version;-iproute2-2.patch"/>)
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</para>
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</sect4>
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</sect3>
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</sect2>
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<sect2 id='dhcp-kernel'>
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<title>Installation of
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<application><acronym>DHCP</acronym></application></title>
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<note><para>You must have Packet Socket support (Device Drivers ->
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Networking Support -> Networking Options -> Packet Socket) compiled into
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the kernel.</para></note>
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<indexterm zone="dhcp dhcp-kernel">
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<primary sortas="d-dhcp">DHCP</primary>
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</indexterm>
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<para>Install <application><acronym>DHCP</acronym></application> by running
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the following commands:</para>
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<screen><userinput><command>patch -Np1 -i ../dhcp-&dhcp-version;-iproute2-2.patch &&
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./configure &&
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make</command></userinput></screen>
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<para>Now, as the root user:</para>
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<screen><userinput role='root'><command>make LIBDIR=/usr/lib INCDIR=/usr/include install</command></userinput></screen>
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</sect2>
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<sect2>
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<title>Command explanations</title>
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<para><parameter>LIBDIR=/usr/lib INCDIR=/usr/include</parameter>: This
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command installs the library and include files in
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<filename class="directory">/usr</filename> instead of
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<filename class="directory">/usr/local</filename>.</para>
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</sect2>
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<sect2 id='dhcp-config'>
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<title>Configuring <application><acronym>DHCP</acronym></application></title>
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<indexterm zone="dhcp dhcp-config">
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<primary sortas="e-etc-dhclient.conf">/etc/dhclient.conf</primary>
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</indexterm>
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<indexterm zone="dhcp dhcp-config">
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<primary sortas="e-etc-dhcpd.conf">/etc/dhcpd.conf</primary>
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</indexterm>
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<sect3>
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<title>Config files</title>
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<para><filename>/etc/dhclient.conf</filename></para>
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</sect3>
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<sect3 id='dhcp-init'>
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<title>Configuration Information</title>
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<para>Information on configuring the <acronym>DHCP</acronym> client can be
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found in <xref linkend="connect-dhcp"/>.</para>
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<para>Note that you only need the <acronym>DHCP</acronym> server if
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you want to issue <acronym>LAN</acronym> addresses over your network. The
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<acronym>DHCP</acronym> client doesn't need this script to be used. Also note
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that this script is coded for the <emphasis role="strong">eth1</emphasis>
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interface, which may need to be modified for your hardware configuration.</para>
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<para>Install the <filename>/etc/rc.d/init.d/dhcp</filename>
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init script included in the <xref linkend="intro-important-bootscripts"/>
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package.</para>
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<indexterm zone="dhcp dhcp-init">
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<primary sortas="f-dhcp">dhcpd</primary>
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</indexterm>
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<screen><userinput><command>make install-dhcp</command></userinput></screen>
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<para>The lease file must exist on startup. The following command will
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satisfy that requirement:</para>
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<screen><userinput><command>touch /var/state/dhcp/dhcpd.leases</command></userinput></screen>
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<para>The following commands will create a base configuration file for a
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<acronym>DHCP</acronym> server. There are several options that you may want to
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add (information that is passed back to the <acronym>DHCP</acronym> client) and
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those are covered in the man pages for <filename>dhcp.conf</filename>.</para>
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<screen><userinput><command>cat > /etc/dhcpd.conf << "EOF"</command>
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default-lease-time 72000;
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max-lease-time 144000;
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ddns-update-style ad-hoc;
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subnet <replaceable>[192.168.5.0]</replaceable> netmask <replaceable>[255.255.255.0]</replaceable> {
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range <replaceable>[192.168.5.10] [192.168.5.240]</replaceable>;
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option broadcast-address <replaceable>[192.168.5.255]</replaceable>;
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option routers <replaceable>[192.168.5.1]</replaceable>;
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}
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<command>EOF</command></userinput></screen>
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<para>All addresses should be changed to meet your circumstance.</para>
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</sect3>
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</sect2>
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<sect2>
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>dhcpd, dhcrelay, dhclient, dhclient-script, omshell</seg>
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<seg>bdhcpctl.a, libomapi.a</seg>
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<seg>/var/state/dhcp, /usr/include/omapip, /usr/include/isi-dhcp</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<varlistentry id="dhclient">
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<term><command>dhclient</command></term>
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<listitem>
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<para>is the implementation of the <acronym>DHCP</acronym> client.</para>
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<indexterm zone="dhcp dhclient">
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<primary sortas="b-dhclient">dhclient</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="dhcpd">
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<term><command>dhcpd</command></term>
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<listitem>
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<para>implements Dynamic Host Configuration Protocol (<acronym>DHCP</acronym>)
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and Internet Bootstrap Protocol (<acronym>BOOTP</acronym>) requests for
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network addresses.</para>
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<indexterm zone="dhcp dhcpd">
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<primary sortas="b-dhcpd">dhcpd</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="dhcrelay">
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<term><command>dhcrelay</command></term>
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<listitem>
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<para>provides a means to accept <acronym>DHCP</acronym> and <acronym>BOOTP</acronym>
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requests on a subnet without a <acronym>DHCP</acronym> server and relay them to
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a <acronym>DHCP</acronym> server on another subnet.</para>
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<indexterm zone="dhcp dhcrelay">
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<primary sortas="b-dhcrelay">dhcrelay</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="omshell">
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<term><command>omshell</command></term>
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<listitem>
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<para> provides an interactive way to connect to, query, and possibly change,
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the ISC DHCP Server's state via OMAPI, the Object Management API.</para>
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<indexterm zone="dhcp omshell">
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<primary sortas="b-omshell">omshell</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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