[246c904] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[ff769b8c] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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[246c904] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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[14d6b3e0] | 6 |
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[246c904] | 7 | <!ENTITY dhcpcd-download-http "http://www.phystech.com/ftp/dhcpcd-&dhcpcd-version;.tar.gz">
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| 8 | <!ENTITY dhcpcd-download-ftp "ftp://ftp.phystech.com/pub/dhcpcd-&dhcpcd-version;.tar.gz">
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[791e96fa] | 9 | <!ENTITY dhcpcd-md5sum "dd627a121e43835bead3ffef5b1a72fd">
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[246c904] | 10 | <!ENTITY dhcpcd-size "145 KB">
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[791e96fa] | 11 | <!ENTITY dhcpcd-buildsize "944 KB">
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[246c904] | 12 | <!ENTITY dhcpcd-time "0.04 SBU">
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| 13 | ]>
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| 14 |
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[f45b1953] | 15 | <sect1 id="dhcpcd" xreflabel="dhcpcd-&dhcpcd-version;">
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[a0f03b0] | 16 | <sect1info>
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[5cd0959d] | 17 | <othername>$LastChangedBy$</othername>
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| 18 | <date>$Date$</date>
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[a0f03b0] | 19 | </sect1info>
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[00bb024c] | 20 | <?dbhtml filename="dhcpcd.html"?>
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[f45b1953] | 21 | <title>dhcpcd-&dhcpcd-version;</title>
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[791e96fa] | 22 | <indexterm zone="dhcpcd">
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| 23 | <primary sortas="a-Dhcpcd">Dhcpcd</primary></indexterm>
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[f45b1953] | 24 |
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[246c904] | 25 | <sect2>
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| 26 | <title>Introduction to <application>dhcpcd</application></title>
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| 27 |
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| 28 | <para>The <application>dhcpcd</application> package contains the
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| 29 | <command>dhcpcd</command> client. This is useful for connecting your computer
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[791e96fa] | 30 | to a network which uses <acronym>DHCP</acronym> to assign network
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| 31 | addresses.</para>
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[246c904] | 32 |
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| 33 | <sect3><title>Package information</title>
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| 34 | <itemizedlist spacing='compact'>
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| 35 | <listitem><para>Download (HTTP): <ulink
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| 36 | url="&dhcpcd-download-http;"/></para></listitem>
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| 37 | <listitem><para>Download (FTP): <ulink
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| 38 | url="&dhcpcd-download-ftp;"/></para></listitem>
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[791e96fa] | 39 | <listitem><para>Download MD5 sum: &dhcpcd-md5sum;</para></listitem>
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[246c904] | 40 | <listitem><para>Download size: &dhcpcd-size;</para></listitem>
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[518538f] | 41 | <listitem><para>Estimated disk space required:
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[246c904] | 42 | &dhcpcd-buildsize;</para></listitem>
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| 43 | <listitem><para>Estimated build time:
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| 44 | &dhcpcd-time;</para></listitem></itemizedlist>
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| 45 | </sect3>
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| 46 |
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| 47 | <sect3><title>Additional downloads</title>
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| 48 | <itemizedlist spacing='compact'>
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[791e96fa] | 49 | <listitem><para>Required Patch:
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[7ee9849] | 50 | <ulink url="&patch-root;/dhcpcd-&dhcpcd-version;-fhs-1.patch"/></para>
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| 51 | </listitem>
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[246c904] | 52 | </itemizedlist>
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| 53 | </sect3>
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| 54 |
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| 55 | </sect2>
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| 56 |
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| 57 | <sect2>
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| 58 | <title>Installation of <application>dhcpcd</application></title>
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| 59 |
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| 60 | <para>Install <application>dhcpcd</application> by running the following
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| 61 | commands:</para>
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| 62 |
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| 63 | <screen><userinput><command>patch -Np1 -i ../dhcpcd-&dhcpcd-version;-fhs-1.patch &&
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| 64 | ./configure --prefix="" --sysconfdir=/var/lib \
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| 65 | --mandir=/usr/share/man &&
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[791e96fa] | 66 | make</command></userinput></screen>
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| 67 |
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| 68 | <para>Now, as the root user:</para>
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| 69 |
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| 70 | <screen><userinput role='root'><command>make install</command></userinput></screen>
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[246c904] | 71 |
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| 72 | </sect2>
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| 73 |
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| 74 | <sect2>
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| 75 | <title>Command explanations</title>
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| 76 |
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[791e96fa] | 77 | <para><command>patch -Np1 -i ../dhcpcd-&dhcpcd-version;-fhs-1.patch</command>:
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| 78 | <application>dhcpcd</application> unpatched puts all configuration
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| 79 | and temporary files in <filename class='directory'>/etc/dhcpc</filename>. This
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| 80 | becomes very annoying when <application>dhcpcd</application> tells you it's
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| 81 | running and it's not. You look in
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| 82 | <filename class="directory">/var/run</filename> for the
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| 83 | <filename>PID</filename> file, but it's not there, the
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| 84 | <filename>PID</filename> file that needs deleting is in
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| 85 | <filename class="directory">/etc/dhcpc</filename>. This patch brings this
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| 86 | program into <acronym>FHS</acronym> compliance, but more importantly, puts
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| 87 | files where you expect them to be.</para>
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[246c904] | 88 |
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| 89 | <para><parameter>--prefix=""</parameter>: There may be a good reason for
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| 90 | abandoning the normal <acronym>BLFS</acronym> convention of using
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| 91 | <parameter>--prefix=/usr</parameter> here. If you are installing
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| 92 | <acronym>DHCP</acronym>, it is likely that it is
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| 93 | required during the boot process and
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[791e96fa] | 94 | <filename class="directory">/usr</filename> may be network mounted, in which
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| 95 | case <command>dhcpcd</command> wouldn't be available due to being on the
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| 96 | network! Therefore, depending on your situation, you may want it to be
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| 97 | installed in <filename class="directory">/sbin</filename> or
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| 98 | <filename class="directory">/usr/sbin</filename>. This command installs to
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[246c904] | 99 | <filename class="directory">/sbin</filename>.</para>
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| 100 |
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| 101 | <para><parameter>--sysconfdir=/var/lib</parameter>: This command installs
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| 102 | configuration files in the <filename class="directory">/var/lib</filename>
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| 103 | directory.</para>
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| 104 |
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[14d6b3e0] | 105 | <para><parameter>--mandir=/usr/share/man</parameter>: This command installs
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| 106 | the man pages to the <filename class="directory">/usr/share/man</filename>
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[246c904] | 107 | directory.</para>
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| 108 |
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| 109 | </sect2>
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| 110 |
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| 111 | <sect2>
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| 112 | <title>Configuring <application>dhcpcd</application></title>
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| 113 |
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[791e96fa] | 114 | <sect3 id="dhcpcd-config"><title>Config files</title>
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| 115 | <para><filename>/var/lib/dhcpc/*</filename></para>
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| 116 | <indexterm zone="dhcpcd dhcpcd-config">
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| 117 | <primary sortas="e-var-lib-dhcpc">/var/lib/dhcpc/*</primary></indexterm>
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| 118 | </sect3>
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[246c904] | 119 |
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[791e96fa] | 120 | <sect3 id="dhcpcd-init"><title>Configuration Information</title>
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[246c904] | 121 |
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| 122 | <para>To configure <command>dhcpcd</command>, you need to first install
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| 123 | the network service script,
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| 124 | <filename>/etc/sysconfig/network-devices/services/dhcpcd</filename>
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[791e96fa] | 125 | included in the <xref linkend="intro-important-bootscripts"/> package
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| 126 | (as user root).</para>
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| 127 | <indexterm zone="dhcpcd dhcpcd-init">
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| 128 | <primary sortas="f-dhcpcd">dhcpcd (service script)</primary></indexterm>
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[246c904] | 129 |
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[791e96fa] | 130 | <screen><userinput role='root'><command>make install-service-dhcpcd</command></userinput></screen>
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[246c904] | 131 |
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[791e96fa] | 132 | <para id="dhcpcd-config2">Finally, as the root user create the
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[afa198d] | 133 | <filename>/etc/sysconfig/network-devices/ifconfig.eth0/dhcpcd</filename>
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| 134 | configuration file using the following commands. Adjust appropriately
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| 135 | for additional interfaces.</para>
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[791e96fa] | 136 | <indexterm zone="dhcpcd dhcpcd-config2">
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| 137 | <primary sortas="e-etc-sysconfig-dhcpcd">/etc/sysconfig/.../dhcpcd</primary></indexterm>
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[afa198d] | 138 |
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[791e96fa] | 139 | <screen><userinput role='root'><command>install -d /etc/sysconfig/network-devices/ifconfig.eth0 &&
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[afa198d] | 140 | cat > /etc/sysconfig/network-devices/ifconfig.eth0/dhcpcd << "EOF"</command>
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| 141 | ONBOOT="yes"
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| 142 | SERVICE="dhcpcd"
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[246c904] | 143 | DHCP_START="<replaceable>[insert appropriate start options here]</replaceable>"
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[afa198d] | 144 | DHCP_STOP="-k <replaceable>[insert additional stop options here]</replaceable>"
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[00f97e91] | 145 |
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[7ee9849] | 146 | # Set PRINTIP="yes" to have the script print
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| 147 | # the DHCP assigned IP address
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[00f97e91] | 148 | PRINTIP="no"
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| 149 |
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[7ee9849] | 150 | # Set PRINTALL="yes" to print the DHCP assigned values for
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| 151 | # IP, SM, DG, and 1st NS. This requires PRINTIP="yes".
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[00f97e91] | 152 | PRINTALL="no"
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[246c904] | 153 | <command>EOF</command></userinput></screen>
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| 154 |
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[791e96fa] | 155 | <para>For more information on the appropriate <envar>DHCP_START</envar> and
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| 156 | <envar>DHCP_STOP</envar> values, examine the man page for
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| 157 | <command>dhcpcd</command>.</para>
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[246c904] | 158 |
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[791e96fa] | 159 | <note><para id="dhcpcd-config3">The default behavior of
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| 160 | <command>dhcpcd</command> is to overwrite (after making backup copies)
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| 161 | <filename>/etc/resolv.conf</filename>, <filename>/etc/yp.conf</filename> and
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| 162 | <filename>/etc/ntp.conf</filename> with new files containing information from
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| 163 | the <acronym>DHCP</acronym> server. If this is undesirable, review the
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| 164 | <command>dhcpcd</command> man page for switches to add to the
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| 165 | <envar>DHCP_START</envar> value.</para></note>
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| 166 | <indexterm zone="dhcpcd dhcpcd-config3">
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| 167 | <primary sortas="e-etc-resolv.conf">/etc/resolv.conf</primary></indexterm>
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| 168 | <indexterm zone="dhcpcd dhcpcd-config3">
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| 169 | <primary sortas="e-etc-yp.conf">/etc/yp.conf</primary></indexterm>
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| 170 | <indexterm zone="dhcpcd dhcpcd-config3">
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| 171 | <primary sortas="e-etc-ntp.conf">/etc/ntp.conf</primary></indexterm>
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[246c904] | 172 |
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| 173 | </sect3>
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| 174 |
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| 175 | </sect2>
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| 176 |
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| 177 | <sect2>
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| 178 | <title>Contents</title>
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| 179 |
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[791e96fa] | 180 | <segmentedlist>
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| 181 | <segtitle>Installed Program</segtitle>
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| 182 | <segtitle>Installed Libraries</segtitle>
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| 183 | <segtitle>Installed Directories</segtitle>
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| 184 |
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| 185 | <seglistitem>
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| 186 | <seg>dhcpcd</seg>
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| 187 | <seg>None</seg>
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| 188 | <seg>/var/lib/dhcpc</seg>
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| 189 | </seglistitem>
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| 190 | </segmentedlist>
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| 191 |
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| 192 | <variablelist>
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| 193 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 194 | <?dbfo list-presentation="list"?>
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| 195 |
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| 196 | <varlistentry id="dhcpcd-prog">
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| 197 | <term><command>dhcpcd</command></term>
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| 198 | <listitem><para>is an implementation of the <acronym>DHCP</acronym> client
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| 199 | specified in <acronym>RFC</acronym>2131 and <acronym>RFC</acronym>1541
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| 200 | (depending on which options are specified).</para>
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| 201 | <indexterm zone="dhcpcd dhcpcd-prog">
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| 202 | <primary sortas="b-dhcpcd">dhcpcd</primary>
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| 203 | </indexterm></listitem>
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| 204 | </varlistentry>
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| 205 | </variablelist>
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[246c904] | 206 |
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| 207 | </sect2>
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[f45b1953] | 208 |
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| 209 | </sect1>
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| 210 |
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