1 | <?xml version="1.0" encoding="UTF-8"?>
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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 tracker3-miners-download-http "&gnome-download-http;/tracker-miners/3.7/tracker-miners-&tracker3-miners-version;.tar.xz">
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8 | <!ENTITY tracker3-miners-download-ftp " ">
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9 | <!ENTITY tracker3-miners-md5sum "8c1b48f2fa57d888967de9b5ff348fc1">
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10 | <!ENTITY tracker3-miners-size "4.3 MB">
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11 | <!ENTITY tracker3-miners-buildsize "36 MB (with tests)">
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12 | <!ENTITY tracker3-miners-time "0.3 SBU (with parallelism=4; add as much as 1.0 SBU for tests, dependent on disk speed)">
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13 | ]>
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14 |
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15 | <sect1 id="tracker3-miners" xreflabel="tracker-miners-&tracker3-miners-version;">
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16 | <?dbhtml filename="tracker3-miners.html"?>
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17 |
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18 |
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19 | <title>Tracker-miners-&tracker3-miners-version;</title>
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20 |
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21 | <indexterm zone="tracker3-miners">
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22 | <primary sortas="a-tracker3-miners">tracker3-miners</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 Tracker-miners</title>
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27 |
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28 | <para>
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29 | The <application>Tracker-miners</application> package contains a set of
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30 | data extractors for Tracker.
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31 | </para>
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32 |
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33 | &lfs122_checked;
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34 |
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35 | <bridgehead renderas="sect3">Package Information</bridgehead>
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36 | <itemizedlist spacing="compact">
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37 | <listitem>
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38 | <para>
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39 | Download (HTTP): <ulink url="&tracker3-miners-download-http;"/>
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40 | </para>
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41 | </listitem>
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42 | <listitem>
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43 | <para>
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44 | Download (FTP): <ulink url="&tracker3-miners-download-ftp;"/>
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45 | </para>
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46 | </listitem>
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47 | <listitem>
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48 | <para>
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49 | Download MD5 sum: &tracker3-miners-md5sum;
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50 | </para>
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51 | </listitem>
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52 | <listitem>
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53 | <para>
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54 | Download size: &tracker3-miners-size;
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55 | </para>
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56 | </listitem>
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57 | <listitem>
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58 | <para>
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59 | Estimated disk space required: &tracker3-miners-buildsize;
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60 | </para>
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61 | </listitem>
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62 | <listitem>
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63 | <para>
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64 | Estimated build time: &tracker3-miners-time;
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65 | </para>
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66 | </listitem>
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67 | </itemizedlist>
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68 |
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69 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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70 | <itemizedlist spacing="compact">
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71 | <listitem>
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72 | <para>
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73 | Required patch:
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74 | <ulink url="&patch-root;/tracker-miners-&tracker3-miners-version;-upstream_fixes-1.patch"/>
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75 | </para>
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76 | </listitem>
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77 | </itemizedlist>
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78 |
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79 | <bridgehead renderas="sect3">Tracker-miners Dependencies</bridgehead>
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80 |
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81 | <bridgehead renderas="sect4">Required</bridgehead>
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82 | <para role="required">
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83 | <xref linkend="gst10-plugins-base"/>,
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84 | <xref linkend="tracker3"/>,
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85 | <xref linkend="exempi"/>, and
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86 | <xref linkend="gexiv2"/>
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87 | </para>
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88 |
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89 | <bridgehead renderas="sect4">Recommended</bridgehead>
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90 | <para role="recommended">
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91 | <xref linkend="giflib"/>,
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92 | <xref role='runtime' linkend="gst10-plugins-good"/> (runtime),
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93 | <xref role='runtime' linkend="gst10-libav"/> (runtime),
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94 | <xref linkend="icu"/>,
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95 | <xref linkend="libexif"/>,
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96 | <xref linkend="libgxps"/>,
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97 | <xref linkend="libseccomp"/>,
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98 | <xref linkend="poppler"/>, and
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99 | <xref linkend="upower"/>
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100 | </para>
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101 |
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102 | <bridgehead renderas="sect4">Optional</bridgehead>
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103 | <para role="optional">
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104 | <xref linkend="asciidoc"/>,
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105 | <xref linkend="cmake"/>,
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106 | <xref linkend="dconf"/>,
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107 | <xref linkend="ffmpeg"/>,
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108 | <xref linkend="libgsf"/>,
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109 | <xref linkend="NetworkManager"/>,
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110 | <xref linkend="taglib"/>,
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111 | <xref linkend="totem-pl-parser"/>,
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112 | <ulink url="https://github.com/lipnitsk/libcue">libcue</ulink>,
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113 | <ulink url="https://gitlab.gnome.org/GNOME/libgrss">libgrss</ulink>,
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114 | <ulink url="https://libiptcdata.sourceforge.net/">libitpcdata</ulink>,
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115 | <ulink url="https://libosinfo.org">libosinfo</ulink>, and
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116 | <ulink url="https://gitlab.gnome.org/GNOME/gupnp">gupnp</ulink>
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117 | </para>
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118 |
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119 | </sect2>
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120 |
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121 | <sect2 role="kernel" id="tracker3-miners-kernel">
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122 | <title>Kernel Configuration</title>
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123 |
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124 | <para>
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125 | Enable the following options in the kernel configuration, then recompile
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126 | the kernel and reboot if necessary:
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127 | </para>
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128 |
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129 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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130 | href="tracker3-miners-kernel.xml"/>
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131 |
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132 | <indexterm zone="tracker3-miners tracker3-miners-kernel">
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133 | <primary sortas="d-traker-miners">tracker-miners</primary>
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134 | </indexterm>
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135 | </sect2>
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136 |
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137 | <sect2 role="installation">
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138 | <title>Installation of Tracker-miners</title>
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139 |
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140 | <note>
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141 | <para>
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142 | If you plan to run the tests, some timeouts are too short when
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143 | using spinning disks. There are two places where timeouts are
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144 | used: first, individual tests inside a group of tests have a
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145 | default timeout of 10s. This can be changed by setting the environment
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146 | variable <envar>TRACKER_TESTS_AWAIT_TIMEOUT</envar> to the desired
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147 | value when running the tests (see below). Second, a global timeout
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148 | for a group of tests is fixed at configuration time. The default value
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149 | in the <filename class="directory">functional-tests</filename>
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150 | directory (other directories have only short lived tests) may be
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151 | increased with the following command (replace 200 with a value
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152 | suitable for your machine):
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153 | </para>
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154 |
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155 | <screen remap="test"><userinput>sed -i s/120/<replaceable>200</replaceable>/ tests/functional-tests/meson.build</userinput></screen>
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156 | </note>
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157 |
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158 | <para>
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159 | First, fix one issue in the TIFF extractor and another issue in the
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160 | Landlock sandbox:
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161 | </para>
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162 |
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163 | <screen><userinput remap="pre">patch -Np1 -i ../tracker-miners-&tracker3-miners-version;-upstream_fixes-1.patch</userinput></screen>
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164 |
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165 | <para>
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166 | Install <application>Tracker-miners</application> by running the following
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167 | commands:
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168 | </para>
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169 |
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170 |
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171 | <screen revision="systemd"><userinput>mkdir build &&
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172 | cd build &&
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173 |
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174 | meson setup --prefix=/usr \
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175 | --buildtype=release \
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176 | -D man=false \
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177 | -D miner_rss=false \
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178 | .. &&
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179 | ninja</userinput></screen>
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180 |
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181 | <screen revision="sysv"><userinput>mkdir build &&
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182 | cd build &&
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183 |
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184 | meson setup --prefix=/usr \
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185 | --buildtype=release \
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186 | -D systemd_user_services=false \
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187 | -D man=false \
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188 | -D miner_rss=false \
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189 | .. &&
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190 | ninja</userinput></screen>
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191 |
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192 |
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193 | <para>
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194 | Now, as the <systemitem class="username">root</systemitem> user:
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195 | </para>
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196 |
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197 | <screen role="root"><userinput>ninja install</userinput></screen>
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198 |
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199 | <para>
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200 | To test the results, issue (adjust the individual test timeout to a
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201 | value suitable for your machine, see the note above):
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202 | </para>
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203 |
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204 | <screen remap="test"><userinput>meson configure -D debug=true &&
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205 | dbus-run-session env LC_ALL=C.UTF-8 TRACKER_TESTS_AWAIT_TIMEOUT=<replaceable>20</replaceable> \
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206 | ninja test &&
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207 | rm -rf ~/tracker-tests</userinput></screen>
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208 |
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209 | <note>
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210 | <para>
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211 | The tests create files in the user directory (up to 24 MB), so
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212 | they have to be removed afterwards.
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213 | </para>
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214 | </note>
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215 | </sect2>
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216 |
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217 | <sect2 role="commands">
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218 | <title>Command Explanations</title>
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219 |
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220 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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221 | href="../../xincludes/meson-buildtype-release.xml"/>
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222 |
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223 | <para>
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224 | <parameter>-D man=false</parameter>: This switch prevents the build process
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225 | from generating man pages. Omit this switch if you have
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226 | <xref linkend="asciidoc" role="nodep"/> installed and wish to generate and
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227 | install the man pages.
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228 | </para>
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229 |
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230 | <para>
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231 | <parameter>-D miner_rss=false</parameter>: This switch prevents using
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232 | libgrss for indexing RSS feeds because libgrss is insecure and no longer
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233 | in BLFS.
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234 | </para>
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235 |
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236 | <para revision="sysv">
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237 | <parameter>-D systemd_user_services=false</parameter>: This switch prevents
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238 | the build process from installing systemd units since they are useless
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239 | on SysV systems.
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240 | </para>
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241 |
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242 | <para>
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243 | <option>-D seccomp=false</option>: This option disables the seccomp system
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244 | call filter. On some architectures, such as i686 and ARM, the functions
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245 | that tracker-miners uses are not guarded properly, and tracker-miners
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246 | will get killed with a SIGSYS as a result. Note that disabling
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247 | seccomp may cause the system to be compromised worse in the event that a
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248 | security vulnerability in tracker-miners or its dependencies is
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249 | exploited.
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250 | </para>
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251 |
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252 | <para>
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253 | <option>-D landlock=disabled</option>: This switch disables the
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254 | Landlock file access sandbox. Use it if you don't want to build the
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255 | kernel with Landlock support. Note that disabling Landlock may
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256 | cause the system to be compromised worse in the event that a security
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257 | vulnerability in tracker-miners or its dependencies is exploited.
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258 | </para>
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259 |
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260 | <para>
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261 | <option>-D battery_detection=none</option>: Use this option if you have
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262 | not installed the recommended dependency upower. Do not use this
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263 | option if your system has a battery (laptop battery or UPS), or
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264 | tracker-miners may waste the battery power and lifespan when the A/C
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265 | power is unavailable.
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266 | </para>
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267 |
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268 | </sect2>
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269 |
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270 | <sect2 role="content">
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271 | <title>Contents</title>
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272 |
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273 | <segmentedlist>
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274 | <segtitle>Installed Programs</segtitle>
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275 | <segtitle>Installed Libraries</segtitle>
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276 | <segtitle>Installed Directories</segtitle>
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277 |
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278 | <seglistitem>
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279 | <seg>
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280 | tracker3-daemon,
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281 | tracker3-extract,
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282 | tracker3-index,
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283 | tracker3-info,
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284 | tracker3-reset,
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285 | tracker3-search,
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286 | tracker3-status, and
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287 | tracker3-tag
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288 | </seg>
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289 | <seg>
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290 | Several modules under /usr/lib/tracker-miners-3.0
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291 | </seg>
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292 | <seg>
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293 | /usr/lib/tracker-miners-3.0,
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294 | /usr/libexec/tracker3, and
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295 | /usr/share/tracker3-miners
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296 | </seg>
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297 | </seglistitem>
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298 | </segmentedlist>
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299 |
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300 | <variablelist>
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301 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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302 | <?dbfo list-presnetation="list"?>
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303 | <?dbhtml list-presentation="table"?>
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304 |
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305 | <varlistentry id="tracker3-daemon">
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306 | <term><command>tracker3-daemon</command></term>
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307 | <listitem>
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308 | <para>
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309 | starts, stops, restarts, and lists daemons responsible for indexing
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310 | content
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311 | </para>
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312 | <indexterm zone="tracker3-miners tracker3-daemon">
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313 | <primary sortas="b-tracker3-daemon">tracker3-daemon</primary>
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314 | </indexterm>
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315 | </listitem>
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316 | </varlistentry>
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317 |
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318 | <varlistentry id="tracker3-extract">
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319 | <term><command>tracker3-extract</command></term>
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320 | <listitem>
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321 | <para>
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322 | extracts metadata from a file
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323 | </para>
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324 | <indexterm zone="tracker3-miners tracker3-extract">
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325 | <primary sortas="b-tracker3-extract">tracker3-extract</primary>
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326 | </indexterm>
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327 | </listitem>
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328 | </varlistentry>
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329 |
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330 | <varlistentry id="tracker3-index">
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331 | <term><command>tracker3-index</command></term>
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332 | <listitem>
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333 | <para>
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334 | indexes content using the Tracker filesystem miner
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335 | </para>
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336 | <indexterm zone="tracker3-miners tracker3-index">
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337 | <primary sortas="b-tracker3-index">tracker3-index</primary>
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338 | </indexterm>
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339 | </listitem>
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340 | </varlistentry>
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341 |
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342 | <varlistentry id="tracker3-info">
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343 | <term><command>tracker3-info</command></term>
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344 | <listitem>
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345 | <para>
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346 | retrieves all information available for a certain file
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347 | </para>
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348 | <indexterm zone="tracker3-miners tracker3-info">
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349 | <primary sortas="b-tracker3-info">tracker3-info</primary>
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350 | </indexterm>
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351 | </listitem>
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352 | </varlistentry>
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353 |
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354 | <varlistentry id="tracker3-reset">
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355 | <term><command>tracker3-reset</command></term>
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356 | <listitem>
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357 | <para>
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358 | resets the Tracker index and configuration
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359 | </para>
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360 | <indexterm zone="tracker3-miners tracker3-reset">
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361 | <primary sortas="b-tracker3-reset">tracker3-reset</primary>
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362 | </indexterm>
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363 | </listitem>
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364 | </varlistentry>
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365 |
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366 | <varlistentry id="tracker3-search">
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367 | <term><command>tracker3-search</command></term>
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368 | <listitem>
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369 | <para>
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370 | searches for content by type or across all types
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371 | </para>
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372 | <indexterm zone="tracker3-miners tracker3-search">
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373 | <primary sortas="b-tracker3-search">tracker3-search</primary>
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374 | </indexterm>
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375 | </listitem>
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376 | </varlistentry>
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377 |
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378 | <varlistentry id="tracker3-status">
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379 | <term><command>tracker3-status</command></term>
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380 | <listitem>
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381 | <para>
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382 | provides status and statistics on data that has been indexed
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383 | </para>
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384 | <indexterm zone="tracker3-miners tracker3-status">
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385 | <primary sortas="b-tracker3-status">tracker3-status</primary>
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386 | </indexterm>
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387 | </listitem>
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388 | </varlistentry>
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389 |
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390 | <varlistentry id="tracker3-tag">
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391 | <term><command>tracker3-tag</command></term>
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392 | <listitem>
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393 | <para>
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394 | adds, removes, and lists tags
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395 | </para>
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396 | <indexterm zone="tracker3-miners tracker3-tag">
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397 | <primary sortas="b-tracker3-tag">tracker3-tag</primary>
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398 | </indexterm>
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399 | </listitem>
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400 | </varlistentry>
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401 | </variablelist>
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402 | </sect2>
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403 |
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404 | </sect1>
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