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 leafnode-download-http "&sourceforge-repo;/leafnode/leafnode-&leafnode-version;.tar.bz2">
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8 | <!ENTITY leafnode-download-ftp "ftp://ftp.gwdg.de/pub/linux/mirrors/sunsite/system/news/transport/leafnode-&leafnode-version;.tar.bz2">
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9 | <!ENTITY leafnode-md5sum "88552c5cc91cb27146c8906b2d33289d">
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10 | <!ENTITY leafnode-size "428 KB">
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11 | <!ENTITY leafnode-buildsize "6.2 MB">
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12 | <!ENTITY leafnode-time "0.1 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="leafnode" xreflabel="Leafnode-&leafnode-version;">
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16 | <?dbhtml filename="leafnode.html"?>
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17 |
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18 |
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19 | <title>Leafnode-&leafnode-version;</title>
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20 |
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21 | <indexterm zone="leafnode">
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22 | <primary sortas="a-Leafnode">Leafnode</primary>
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23 | </indexterm>
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24 |
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25 | <sect2 role="package">
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26 | <title>Introduction to Leafnode</title>
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27 |
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28 | <para><application>Leafnode</application> is an NNTP server designed
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29 | for small sites to provide a local USENET spool.</para>
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30 |
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31 | <bridgehead renderas="sect3">Package Information</bridgehead>
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32 | <itemizedlist spacing="compact">
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33 | <listitem>
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34 | <para>Download (HTTP): <ulink url="&leafnode-download-http;"/></para>
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35 | </listitem>
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36 | <listitem>
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37 | <para>Download (FTP): <ulink url="&leafnode-download-ftp;"/></para>
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38 | </listitem>
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39 | <listitem>
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40 | <para>Download MD5 sum: &leafnode-md5sum;</para>
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41 | </listitem>
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42 | <listitem>
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43 | <para>Download size: &leafnode-size;</para>
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44 | </listitem>
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45 | <listitem>
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46 | <para>Estimated disk space required: &leafnode-buildsize;</para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>Estimated build time: &leafnode-time;</para>
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50 | </listitem>
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51 | </itemizedlist>
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52 |
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53 | <bridgehead renderas="sect3">Leafnode Dependencies</bridgehead>
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54 |
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55 | <bridgehead renderas="sect4">Required</bridgehead>
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56 | <para role="required"><xref linkend="pcre"/> and
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57 | <xref linkend="tcpwrappers"/></para>
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58 |
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59 | <bridgehead renderas="sect4">Recommended</bridgehead>
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60 | <para role="recommended">
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61 | <!-- <xref linkend="xinetd"/> and -->
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62 | <xref linkend="fcron"/>
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63 | </para>
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64 |
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65 | <para condition="html" role="usernotes">User Notes:
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66 | <ulink url="&blfs-wiki;/leafnode"/></para>
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67 |
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68 | </sect2>
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69 |
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70 | <sect2 role="installation">
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71 | <title>Installation of Leafnode</title>
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72 |
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73 | <para>As the <systemitem class="username">root</systemitem> user, create
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74 | the group and user <systemitem class="username">news</systemitem>,
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75 | if not present:</para>
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76 |
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77 | <screen role="root"><userinput>groupadd -g 36 news &&
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78 | useradd -c "Leafnode News Server" -d /var/spool/news -g news \
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79 | -u 36 news</userinput></screen>
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80 |
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81 | <para>Install <application>Leafnode</application> by running the following
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82 | commands:</para>
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83 |
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84 | <screen><userinput>./configure --prefix=/usr \
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85 | --localstatedir=/var --sysconfdir=/etc/leafnode \
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86 | --with-lockfile=/var/lock/leafnode/fetchnews.lck &&
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87 | make</userinput></screen>
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88 | <para>To test the results, issue: <command>make check</command>.</para>
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89 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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90 |
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91 | <screen role="root"><userinput>make install</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="commands">
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96 | <title>Command Explanations</title>
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97 |
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98 | <para><parameter>--localstatedir=/var</parameter>: Change the default
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99 | spool directory of <filename class="directory">/usr/var</filename>.</para>
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100 |
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101 | <para><parameter>--sysconfdir=/etc/leafnode</parameter>:
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102 | <application>Leafnode</application> reads its configuration data from a
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103 | file called <filename>config</filename> which will be created in
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104 | <filename class="directory">/etc/leafnode</filename> to
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105 | avoid any potential conflict with other packages.</para>
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106 |
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107 | <para><command>make update</command>: Run this command if you are upgrading
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108 | from a very old version of <application>Leafnode</application>.</para>
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109 |
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110 | </sect2>
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111 |
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112 | <sect2 role="configuration">
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113 | <title>Configuring Leafnode</title>
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114 |
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115 | <sect3 id="leafnode-config">
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116 | <title>Config Files</title>
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117 |
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118 | <para><filename>/etc/leafnode/config</filename>,
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119 | <filename>/etc/nntpserver</filename>,
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120 | <filename>/etc/sysconfig/createfiles</filename>
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121 | <filename>/etc/inetd.conf</filename> or
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122 | <!-- <filename>/etc/xinetd.conf</filename> or
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123 | <filename>/etc/xinetd.d/nntp</filename>--></para>
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124 |
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125 | <indexterm zone="leafnode leafnode-config">
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126 | <primary sortas="e-etc-leafnode-config">/etc/leafnode/config</primary>
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127 | </indexterm>
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128 |
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129 | <indexterm zone="leafnode leafnode-config">
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130 | <primary sortas="e-etc-nntpserver">/etc/nntpserver</primary>
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131 | </indexterm>
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132 | <!--
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133 | <indexterm zone="leafnode leafnode-config">
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134 | <primary sortas="e-etc-xinetd.conf">/etc/xinetd.conf</primary>
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135 | </indexterm>
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136 | -->
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137 | <indexterm zone="leafnode leafnode-config">
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138 | <primary sortas="e-etc-inetd.conf">/etc/inetd.conf</primary>
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139 | </indexterm>
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140 |
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141 | <indexterm zone="leafnode leafnode-config">
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142 | <primary sortas="e-etc-sysconfig-createfiles">/etc/sysconfig/createfiles</primary>
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143 | </indexterm>
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144 | <!--
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145 | <indexterm zone="leafnode leafnode-config">
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146 | <primary sortas="e-etc-xinetd.d-nntp">/etc/xinetd.d/nntp</primary>
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147 | </indexterm>
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148 | -->
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149 | </sect3>
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150 |
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151 | <sect3>
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152 | <title>Configuration Information</title>
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153 |
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154 | <para>The <filename>/etc/leafnode/config</filename> file must be
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155 | edited to reflect the name of the upstream NNTP provider. Copy the
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156 | example configuration file to <filename>/etc/leafnode/config</filename>
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157 | and save the original for reference:</para>
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158 |
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159 | <screen role="root"><userinput>cp /etc/leafnode/config.example /etc/leafnode/config</userinput></screen>
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160 |
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161 | <para>Change the</para>
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162 |
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163 | <screen><literal>server = </literal></screen>
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164 |
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165 | <para>entry to reflect your news provider.</para>
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166 |
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167 | <para>The <filename>/etc/nntpserver</filename> file must contain
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168 | 127.0.0.1 to prevent news clients from reading news from the upstream
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169 | feed. Create this file using the following command:</para>
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170 |
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171 | <screen role="root"><userinput>cat > /etc/nntpserver << "EOF"
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172 | <literal>127.0.0.1</literal>
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173 |
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174 | EOF</userinput></screen>
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175 |
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176 | <para>The <command>/etc/rc.d/init.d/cleanfs</command> script, part
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177 | of the LFS bootscript package, will remove the
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178 | <filename class="directory">/var/lock/leafnode</filename> directory
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179 | during the system boot sequence. Install the following line in the
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180 | <filename>/etc/sysconfig/createfiles</filename> file to re-create the
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181 | directory:</para>
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182 |
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183 | <screen><literal>/var/lock/leafnode dir 2775 news news</literal></screen>
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184 |
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185 | <para><application>Leafnode</application> may be configured to
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186 | use <command>inetd</command> by adding an entry to the
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187 | <filename>/etc/inetd.conf</filename> file with the following
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188 | command:</para>
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189 |
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190 | <screen role="root"><userinput>echo "nntp stream tcp nowait news /usr/sbin/tcpd /usr/sbin/leafnode" \
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191 | >> /etc/inetd.conf</userinput></screen>
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192 |
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193 | <para>Issue a <command>killall -HUP inetd</command> to reread the
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194 | changed <filename>inetd.conf</filename> file.</para>
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195 | <!--
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196 | <para>If you use <command>xinetd</command>, the following command will
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197 | create the <application>Leafnode</application> file as
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198 | <filename>/etc/xinetd.d/nntp</filename>:</para>
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199 |
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200 | <screen role="root"><userinput>cat >> /etc/xinetd.d/nntp << "EOF"
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201 | <literal># Begin /etc/xinetd.d/nntp
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202 |
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203 | service nntp
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204 | {
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205 | flags = NAMEINARGS NOLIBWRAP
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206 | socket_type = stream
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207 | protocol = tcp
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208 | wait = no
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209 | user = news
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210 | server = /usr/sbin/tcpd
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211 | server_args = /usr/sbin/leafnode
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212 | instances = 7
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213 | per_source = 3
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214 | }
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215 |
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216 | # End /etc/xinetd.d/nntp</literal>
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217 | EOF</userinput></screen>
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218 |
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219 | <para>Issue a <command>killall -HUP xinetd</command> to reread the
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220 | changed <filename>xinetd.conf</filename> file.</para>
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221 | -->
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222 | <para>Add entries to the <systemitem class="username">root</systemitem>
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223 | or <systemitem class="username">news</systemitem> user's crontab to run
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224 | the <command>fetchnews</command> and <command>texpire</command> commands
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225 | at the desired time intervals.</para>
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226 |
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227 | </sect3>
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228 |
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229 | </sect2>
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230 |
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231 | <sect2 role="content">
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232 | <title>Contents</title>
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233 |
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234 | <segmentedlist>
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235 | <segtitle>Installed Programs</segtitle>
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236 | <segtitle>Installed Libraries</segtitle>
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237 | <segtitle>Installed Directories</segtitle>
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238 |
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239 | <seglistitem>
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240 | <seg>applyfilter, checkgroups, fetchnews, leafnode,
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241 | leafnode-version, newsq, and texpire</seg>
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242 | <seg>None</seg>
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243 | <seg>/etc/leafnode, /var/lock/leafnode, and /var/spool/news</seg>
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244 | </seglistitem>
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245 | </segmentedlist>
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246 |
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247 | <variablelist>
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248 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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249 | <?dbfo list-presentation="list"?>
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250 | <?dbhtml list-presentation="table"?>
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251 |
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252 | <varlistentry id="applyfilter">
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253 | <term><command>applyfilter</command></term>
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254 | <listitem>
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255 | <para>filters newsgroup articles according to regular
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256 | expressions.</para>
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257 | <indexterm zone="leafnode applyfilter">
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258 | <primary sortas="b-applyfilter">applyfilter</primary>
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259 | </indexterm>
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260 | </listitem>
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261 | </varlistentry>
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262 |
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263 | <varlistentry id="checkgroups">
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264 | <term><command>checkgroups</command></term>
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265 | <listitem>
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266 | <para>inserts newsgroup titles into the newsgroup database.</para>
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267 | <indexterm zone="leafnode checkgroups">
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268 | <primary sortas="b-checkgroups">checkgroups</primary>
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269 | </indexterm>
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270 | </listitem>
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271 | </varlistentry>
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272 |
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273 | <varlistentry id="fetchnews">
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274 | <term><command>fetchnews</command></term>
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275 | <listitem>
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276 | <para>sends posted articles to and retrieves new articles from an
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277 | upstream news server.</para>
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278 | <indexterm zone="leafnode fetchnews">
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279 | <primary sortas="b-fetchnews">fetchnews</primary>
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280 | </indexterm>
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281 | </listitem>
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282 | </varlistentry>
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283 |
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284 | <varlistentry id="leafnode-prog">
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285 | <term><command>leafnode</command></term>
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286 | <listitem>
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287 | <para>is an NNTP server daemon.</para>
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288 | <indexterm zone="leafnode leafnode-prog">
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289 | <primary sortas="b-leafnode">leafnode</primary>
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290 | </indexterm>
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291 | </listitem>
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292 | </varlistentry>
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293 |
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294 | <varlistentry id="leafnode-version">
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295 | <term><command>leafnode-version</command></term>
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296 | <listitem>
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297 | <para>prints the <application>Leafnode</application> version.</para>
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298 | <indexterm zone="leafnode leafnode-version">
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299 | <primary sortas="b-leafnode-version">leafnode-version</primary>
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300 | </indexterm>
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301 | </listitem>
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302 | </varlistentry>
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303 |
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304 | <varlistentry id="newsq">
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305 | <term><command>newsq</command></term>
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306 | <listitem>
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307 | <para>shows articles waiting to be sent upstream.</para>
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308 | <indexterm zone="leafnode newsq">
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309 | <primary sortas="b-newsq">newsq</primary>
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310 | </indexterm>
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311 | </listitem>
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312 | </varlistentry>
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313 |
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314 | <varlistentry id="texpire">
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315 | <term><command>texpire</command></term>
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316 | <listitem>
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317 | <para>expires old articles and unread groups.</para>
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318 | <indexterm zone="leafnode texpire">
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319 | <primary sortas="b-texpire">texpire</primary>
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320 | </indexterm>
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321 | </listitem>
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322 | </varlistentry>
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323 |
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324 | </variablelist>
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325 |
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326 | </sect2>
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327 |
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328 | </sect1>
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