1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY dhcpcd-download-http "http://roy.marples.name/downloads/dhcpcd/dhcpcd-&dhcpcd-version;.tar.bz2">
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8 | <!ENTITY dhcpcd-download-ftp "ftp://ftp.osuosl.org/pub/gentoo/distfiles/dhcpcd-&dhcpcd-version;.tar.bz2">
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9 | <!ENTITY dhcpcd-md5sum "b9f1ccdaaf23ffea7dd6fd89e932f4ed">
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10 | <!ENTITY dhcpcd-size "51 KB">
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11 | <!ENTITY dhcpcd-buildsize "0.3 MB">
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12 | <!ENTITY dhcpcd-time "less than 0.1 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="dhcpcd" xreflabel="dhcpcd-&dhcpcd-version;">
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16 | <?dbhtml filename="dhcpcd.html"?>
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17 |
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18 | <sect1info>
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19 | <othername>$LastChangedBy$</othername>
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20 | <date>$Date$</date>
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21 | </sect1info>
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22 |
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23 | <title>dhcpcd-&dhcpcd-version;</title>
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24 |
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25 | <indexterm zone="dhcpcd">
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26 | <primary sortas="a-dhcpcd">dhcpcd</primary>
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27 | </indexterm>
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28 |
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29 | <sect2 role="package">
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30 | <title>Introduction to dhcpcd</title>
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31 |
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32 | <para><application>dhcpcd</application> is an implementation of the
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33 | DHCP client specified in RFC2131. This is useful for connecting
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34 | your computer to a network which uses DHCP to assign network
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35 | addresses.</para>
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36 |
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37 | <bridgehead renderas="sect3">Package Information</bridgehead>
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38 | <itemizedlist spacing="compact">
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39 | <listitem>
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40 | <para>Download (HTTP): <ulink url="&dhcpcd-download-http;"/></para>
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41 | </listitem>
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42 | <listitem>
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43 | <para>Download (FTP): <ulink url="&dhcpcd-download-ftp;"/></para>
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44 | </listitem>
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45 | <listitem>
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46 | <para>Download MD5 sum: &dhcpcd-md5sum;</para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>Download size: &dhcpcd-size;</para>
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50 | </listitem>
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51 | <listitem>
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52 | <para>Estimated disk space required: &dhcpcd-buildsize;</para>
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53 | </listitem>
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54 | <listitem>
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55 | <para>Estimated build time: &dhcpcd-time;</para>
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56 | </listitem>
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57 | </itemizedlist>
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58 |
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59 | <para condition="html" role="usernotes">User Notes:
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60 | <ulink url="&blfs-wiki;/dhcpcd"/></para>
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61 |
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62 | </sect2>
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63 |
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64 | <sect2 role="installation">
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65 | <title>Installation of dhcpcd</title>
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66 |
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67 | <para>Install <application>dhcpcd</application> by running the following
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68 | commands:</para>
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69 |
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70 | <screen><userinput>make PREFIX= \
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71 | LIBEXECDIR=/lib/dhcpcd \
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72 | DBDIR=/var/lib/dhcpcd \
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73 | SYSCONFDIR=/etc/dhcpcd</userinput></screen>
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74 |
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75 | <para>This package does not come with a test suite.</para>
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76 |
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77 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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78 |
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79 | <screen><userinput>make PREFIX= \
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80 | LIBEXECDIR=/lib/dhcpcd \
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81 | DBDIR=/var/lib/dhcpcd \
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82 | SYSCONFDIR=/etc/dhcpcd install</userinput></screen>
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83 |
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84 | <para>By default, a plain text lease info file isn't created but the
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85 | <application>dhcpcd</application> provides a hook which can be used for creating
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86 | such a file. Install the hook by running the following
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87 | commands as the <systemitem class="username">root</systemitem> user:</para>
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88 |
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89 | <screen><userinput>sed -i "s;/var/lib/dhcpcd-;/var/lib/dhcpcd/dhcpcd-;g" \
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90 | dhcpcd-hooks/50-dhcpcd-compat &&
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91 | install -v -m 644 dhcpcd-hooks/50-dhcpcd-compat /lib/dhcpcd/dhcpcd-hooks/</userinput></screen>
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92 |
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93 | </sect2>
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94 |
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95 | <sect2 role="configuration">
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96 | <title>Configuring dhcpcd</title>
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97 |
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98 | <sect3 id="dhcpcd-config">
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99 | <title>Config Files</title>
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100 |
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101 | <para><filename>/etc/dhcpcd/dhcpcd.conf</filename></para>
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102 |
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103 | <indexterm zone="dhcpcd dhcpcd-config">
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104 | <primary sortas="e-etc-dhcpcd-dhcpcd-conf">/etc/dhcpcd/dhcpcd.conf</primary>
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105 | </indexterm>
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106 |
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107 | </sect3>
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108 |
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109 | <sect3 id="dhcpcd-init">
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110 | <title>Configuration Information</title>
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111 |
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112 | <para>To configure <command>dhcpcd</command>, you need to first install
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113 | the network service script,
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114 | <filename>/etc/sysconfig/network-devices/services/dhcpcd</filename>
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115 | included in the <xref linkend="bootscripts"/> package
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116 | (as user <systemitem class="username">root</systemitem>):</para>
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117 |
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118 | <indexterm zone="dhcpcd dhcpcd-init">
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119 | <primary sortas="f-dhcpcd">dhcpcd (service script)</primary>
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120 | </indexterm>
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121 |
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122 | <screen role='root'><userinput>make install-service-dhcpcd</userinput></screen>
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123 |
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124 | <para>Whenever <command>dhcpcd</command> configures or shuts down
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125 | a network interface, it executes hook scripts. For more details
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126 | about those scripts, see the <command>dhcpcd-run-hooks</command> as
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127 | well as the <command>dhcpcd</command> man page.</para>
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128 |
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129 | <para id="dhcpcd-config2">Finally, as the <systemitem
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130 | class="username">root</systemitem> user create the
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131 | <filename>/etc/sysconfig/network-devices/ifconfig.eth0/dhcpcd</filename>
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132 | configuration file using the following commands. Adjust appropriately
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133 | for additional interfaces:</para>
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134 |
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135 | <indexterm zone="dhcpcd dhcpcd-config2">
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136 | <primary sortas="e-etc-sysconfig-dhcpcd">/etc/sysconfig/.../dhcpcd</primary>
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137 | </indexterm>
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138 |
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139 | <screen role='root'><userinput>install -v -d /etc/sysconfig/network-devices/ifconfig.eth0 &&
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140 | cat > /etc/sysconfig/network-devices/ifconfig.eth0/dhcpcd << "EOF"
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141 | <literal>ONBOOT="yes"
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142 | SERVICE="dhcpcd"
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143 | DHCP_START="<replaceable><insert appropriate start options here></replaceable>"
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144 | DHCP_STOP="-k <replaceable><insert additional stop options here></replaceable>"
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145 |
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146 | # Set PRINTIP="yes" to have the script print
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147 | # the DHCP assigned IP address
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148 | PRINTIP="no"
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149 |
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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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152 | PRINTALL="no"</literal>
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153 | EOF</userinput></screen>
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154 |
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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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158 |
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159 | <note>
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160 | <para id="dhcpcd-config3">The default behavior of <command>dhcpcd</command>
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161 | is to overwrite <filename>/etc/resolv.conf</filename>. All modifications on
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162 | system configuration files like <filename>/etc/resolv.conf</filename>,
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163 | <filename>/etc/yp.conf</filename> and <filename>/etc/ntp.conf</filename> are
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164 | done by hooks which are stored in <filename class="directory">/lib/dhcpcd/dhcpcd-hooks</filename>.
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165 | Setup <command>dhcpcd</command> by removing or adding hooks from/to that directory.
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166 | The execution of hooks can be disabled by using the -C command line option.</para>
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167 | <para>Review the <command>dhcpcd</command> man page for switches to add to the
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168 | <envar>DHCP_START</envar> value.</para>
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169 | </note>
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170 |
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171 | <indexterm zone="dhcpcd dhcpcd-config3">
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172 | <primary sortas="e-etc-resolv.conf">/etc/resolv.conf</primary>
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173 | </indexterm>
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174 | <!-- These are not modified by default with version 4 of dhcpcd
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175 | <indexterm zone="dhcpcd dhcpcd-config3">
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176 | <primary sortas="e-etc-yp.conf">/etc/yp.conf</primary>
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177 | </indexterm>
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178 |
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179 | <indexterm zone="dhcpcd dhcpcd-config3">
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180 | <primary sortas="e-etc-ntp.conf">/etc/ntp.conf</primary>
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181 | </indexterm>
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182 | -->
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183 | </sect3>
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184 |
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185 | </sect2>
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186 |
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187 | <sect2 role="content">
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188 | <title>Contents</title>
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189 |
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190 | <segmentedlist>
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191 | <segtitle>Installed Program</segtitle>
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192 | <segtitle>Installed Libraries</segtitle>
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193 | <segtitle>Installed Directory</segtitle>
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194 |
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195 | <seglistitem>
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196 | <seg>dhcpcd</seg>
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197 | <seg>None</seg>
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198 | <seg>/lib/dhcpcd, /etc/dhcpcd</seg>
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199 | </seglistitem>
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200 | </segmentedlist>
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201 |
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202 | <variablelist>
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203 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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204 | <?dbfo list-presentation="list"?>
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205 | <?dbhtml list-presentation="table"?>
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206 |
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207 | <varlistentry id="dhcpcd-prog">
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208 | <term><command>dhcpcd</command></term>
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209 | <listitem>
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210 | <para>is an implementation of the DHCP client specified
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211 | in RFC2131.</para>
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212 | <indexterm zone="dhcpcd dhcpcd-prog">
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213 | <primary sortas="b-dhcpcd">dhcpcd</primary>
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214 | </indexterm>
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215 | </listitem>
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216 | </varlistentry>
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217 |
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218 | </variablelist>
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219 |
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220 | </sect2>
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221 |
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222 | </sect1>
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