mirror of
https://github.com/Zeckmathederg/glfs.git
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fefa337dce
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@7658 af4574ff-66df-0310-9fd7-8a98e5e911e0
216 lines
7.7 KiB
XML
216 lines
7.7 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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<!ENTITY dhcpcd-download-http "http://roy.marples.name/downloads/dhcpcd/dhcpcd-&dhcpcd-version;.tar.bz2">
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<!ENTITY dhcpcd-download-ftp "ftp://ftp.osuosl.org/pub/gentoo/distfiles/dhcpcd-&dhcpcd-version;.tar.bz2">
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<!ENTITY dhcpcd-md5sum "f57a9614e592814485c47495c53e4c30">
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<!ENTITY dhcpcd-size "50 KB">
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<!ENTITY dhcpcd-buildsize "0.3 MB">
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<!ENTITY dhcpcd-time "less than 0.1 SBU">
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]>
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<sect1 id="dhcpcd" xreflabel="dhcpcd-&dhcpcd-version;">
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<?dbhtml filename="dhcpcd.html"?>
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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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<title>dhcpcd-&dhcpcd-version;</title>
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<indexterm zone="dhcpcd">
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<primary sortas="a-dhcpcd">dhcpcd</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to dhcpcd</title>
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<para><application>dhcpcd</application> is an implementation of the
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DHCP client specified in RFC2131. This is useful for connecting
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your computer to a network which uses DHCP to assign network
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addresses.</para>
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>Download (HTTP): <ulink url="&dhcpcd-download-http;"/></para>
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</listitem>
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<listitem>
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<para>Download (FTP): <ulink url="&dhcpcd-download-ftp;"/></para>
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</listitem>
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<listitem>
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<para>Download MD5 sum: &dhcpcd-md5sum;</para>
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</listitem>
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<listitem>
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<para>Download size: &dhcpcd-size;</para>
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</listitem>
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<listitem>
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<para>Estimated disk space required: &dhcpcd-buildsize;</para>
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</listitem>
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<listitem>
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<para>Estimated build time: &dhcpcd-time;</para>
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</listitem>
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</itemizedlist>
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<para condition="html" role="usernotes">User Notes:
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<ulink url="&blfs-wiki;/dhcpcd"/></para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of dhcpcd</title>
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<para>Install <application>dhcpcd</application> by running the following
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commands as the <systemitem class="username">root</systemitem> user:</para>
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<screen><userinput>make PREFIX= \
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LIBEXECDIR=/lib/dhcpcd \
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DBDIR=/var/lib \
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SYSCONFDIR=/etc/dhcpcd install</userinput></screen>
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<para>By default, a plain text lease info file isn't created but the
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<application>dhcpcd</application> provides a hook which can be used for creating
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such a file. Install the hook by running the following
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commands as the <systemitem class="username">root</systemitem> user:</para>
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<screen><userinput>sed -i "s;/var/lib/dhcpcd-;/var/lib/dhcpcd/dhcpcd-;g" \
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/lib/dhcpcd/dhcpcd-hooks/50-dhcpcd-compat &&
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make LIBEXECDIR=/lib/dhcpcd \
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HOOKSCRIPTS=50-dhcpcd-compat install</userinput></screen>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring dhcpcd</title>
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<sect3 id="dhcpcd-config">
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<title>Config Files</title>
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<para><filename>/etc/dhcpcd/dhcpcd.conf</filename></para>
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<indexterm zone="dhcpcd dhcpcd-config">
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<primary sortas="e-etc-dhcpcd-dhcpcd-conf">/etc/dhcpcd/dhcpcd.conf</primary>
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</indexterm>
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</sect3>
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<sect3 id="dhcpcd-init">
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<title>Configuration Information</title>
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<para>To configure <command>dhcpcd</command>, you need to first install
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the network service script,
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<filename>/etc/sysconfig/network-devices/services/dhcpcd</filename>
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included in the <xref linkend="bootscripts"/> package
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(as user <systemitem class="username">root</systemitem>):</para>
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<indexterm zone="dhcpcd dhcpcd-init">
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<primary sortas="f-dhcpcd">dhcpcd (service script)</primary>
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</indexterm>
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<screen role='root'><userinput>make install-service-dhcpcd</userinput></screen>
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<para>Whenever <command>dhcpcd</command> configures or shuts down
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a network interface, it executes hook scripts. For more details
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about those scripts, see the <command>dhcpcd-run-hooks</command> as
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well as the <command>dhcpcd</command> man page.</para>
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<para id="dhcpcd-config2">Finally, as the <systemitem
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class="username">root</systemitem> user create the
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<filename>/etc/sysconfig/network-devices/ifconfig.eth0/dhcpcd</filename>
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configuration file using the following commands. Adjust appropriately
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for additional interfaces:</para>
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<indexterm zone="dhcpcd dhcpcd-config2">
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<primary sortas="e-etc-sysconfig-dhcpcd">/etc/sysconfig/.../dhcpcd</primary>
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</indexterm>
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<screen role='root'><userinput>install -v -d /etc/sysconfig/network-devices/ifconfig.eth0 &&
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cat > /etc/sysconfig/network-devices/ifconfig.eth0/dhcpcd << "EOF"
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<literal>ONBOOT="yes"
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SERVICE="dhcpcd"
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DHCP_START="<replaceable><insert appropriate start options here></replaceable>"
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DHCP_STOP="-k <replaceable><insert additional stop options here></replaceable>"
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# Set PRINTIP="yes" to have the script print
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# the DHCP assigned IP address
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PRINTIP="no"
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# Set PRINTALL="yes" to print the DHCP assigned values for
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# IP, SM, DG, and 1st NS. This requires PRINTIP="yes".
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PRINTALL="no"</literal>
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EOF</userinput></screen>
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<para>For more information on the appropriate <envar>DHCP_START</envar> and
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<envar>DHCP_STOP</envar> values, examine the man page for
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<command>dhcpcd</command>.</para>
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<note>
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<para id="dhcpcd-config3">The default behavior of <command>dhcpcd</command>
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is to overwrite <filename>/etc/resolv.conf</filename>. All modifications on
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system configuration files like <filename>/etc/resolv.conf</filename>,
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<filename>/etc/yp.conf</filename> and <filename>/etc/ntp.conf</filename> are
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done by hooks which are stored in <filename>/lib/dhcpcd/dhcpcd-hooks</filename>.
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Setup <command>dhcpcd</command> by removing or adding hooks from/to that directory.
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The execution of hooks can be disabled by using the -C command line option.
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Rewiew the <command>dhcpcd</command> man page for switches to add to the
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<envar>DHCP_START</envar> value.</para>
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</note>
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<indexterm zone="dhcpcd dhcpcd-config3">
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<primary sortas="e-etc-resolv.conf">/etc/resolv.conf</primary>
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</indexterm>
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<!-- These are not modified by default with version 4 of dhcpcd
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<indexterm zone="dhcpcd dhcpcd-config3">
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<primary sortas="e-etc-yp.conf">/etc/yp.conf</primary>
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</indexterm>
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<indexterm zone="dhcpcd dhcpcd-config3">
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<primary sortas="e-etc-ntp.conf">/etc/ntp.conf</primary>
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</indexterm>
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-->
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</sect3>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Program</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directory</segtitle>
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<seglistitem>
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<seg>dhcpcd</seg>
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<seg>None</seg>
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<seg>None</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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<?dbhtml list-presentation="table"?>
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<varlistentry id="dhcpcd-prog">
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<term><command>dhcpcd</command></term>
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<listitem>
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<para>is an implementation of the DHCP client specified
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in RFC2131 (when -r option is not specified) and RFC1541
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(when -r option is specified).</para>
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<indexterm zone="dhcpcd dhcpcd-prog">
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<primary sortas="b-dhcpcd">dhcpcd</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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