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 lxdm-download-http "&sourceforge-dl;/lxdm/lxdm-&lxdm-version;.tar.xz">
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8 | <!ENTITY lxdm-download-ftp " ">
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9 | <!ENTITY lxdm-md5sum "061caae432634e6db38bbdc84bc6ffa0">
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10 | <!ENTITY lxdm-size "236 KB">
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11 | <!ENTITY lxdm-buildsize "5.6 MB">
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12 | <!ENTITY lxdm-time "less than 0.1 SBU ">
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13 | ]>
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14 |
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15 | <sect1 id="lxdm" xreflabel="lxdm-&lxdm-version;">
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16 | <?dbhtml filename="lxdm.html"?>
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17 |
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18 |
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19 | <title>lxdm-&lxdm-version;</title>
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20 |
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21 | <indexterm zone="lxdm">
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22 | <primary sortas="a-lxdm">lxdm</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 LXDM</title>
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27 |
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28 | <para>
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29 | The <application>LXDM</application> is a lightweight Display Manager for
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30 | the <application>LXDE</application> desktop. It can also be used as an
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31 | alternative to other Display Managers such as
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32 | <application>GNOME's</application> <application>GDM</application> or
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33 | <application>LightDM</application>.
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34 | </para>
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35 |
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36 | &lfs120_checked;
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37 |
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38 | <note>
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39 | <para>
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40 | The <application>lxdm</application> display manager does not support
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41 | wayland based window managers such as <application>plasma-wayland</application>
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42 | or <application>gnome-wayland</application>.
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43 | </para>
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44 | </note>
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45 |
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46 | <bridgehead renderas="sect3">Package Information</bridgehead>
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47 | <itemizedlist spacing="compact">
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48 | <listitem>
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49 | <para>
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50 | Download (HTTP): <ulink url="&lxdm-download-http;"/>
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51 | </para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>
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55 | Download (FTP): <ulink url="&lxdm-download-ftp;"/>
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56 | </para>
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57 | </listitem>
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58 | <listitem>
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59 | <para>
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60 | Download MD5 sum: &lxdm-md5sum;
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61 | </para>
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62 | </listitem>
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63 | <listitem>
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64 | <para>
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65 | Download size: &lxdm-size;
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66 | </para>
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67 | </listitem>
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68 | <listitem>
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69 | <para>
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70 | Estimated disk space required: &lxdm-buildsize;
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71 | </para>
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72 | </listitem>
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73 | <listitem>
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74 | <para>
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75 | Estimated build time: &lxdm-time;
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76 | </para>
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77 | </listitem>
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78 | </itemizedlist>
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79 |
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80 | <bridgehead renderas="sect3">LXDM Dependencies</bridgehead>
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81 |
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82 | <bridgehead renderas="sect4">Required</bridgehead>
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83 | <para role="required">
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84 | <xref linkend="gtk2"/>,
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85 | <xref linkend="iso-codes"/>, and
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86 | <xref role="runtime" linkend="librsvg"/> (runtime, for default theme
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87 | background)
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88 | </para>
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89 |
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90 | <bridgehead renderas="sect4">Recommended</bridgehead>
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91 | <para role="recommended">
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92 | <xref linkend="lxsession"/> (for <application>lxpolkit</application>) or
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93 | <xref role="nodep" linkend="polkit-gnome"/>
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94 | </para>
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95 |
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96 | <bridgehead renderas="sect4">Optional</bridgehead>
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97 | <para role="optional">
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98 | <xref linkend="gtk3"/>
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99 | </para>
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100 |
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101 | </sect2>
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102 |
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103 | <sect2 role="installation">
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104 | <title>Installation of LXDM</title>
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105 |
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106 | <para>
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107 | First, some fixes.
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108 | </para>
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109 |
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110 | <screen><userinput>cat > pam/lxdm << "EOF"
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111 | <literal># Begin /etc/pam.d/lxdm
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112 |
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113 | auth requisite pam_nologin.so
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114 | auth required pam_env.so
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115 | auth required pam_succeed_if.so uid >= 1000 quiet
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116 | auth include system-auth
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117 |
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118 | account include system-account
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119 |
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120 | password include system-password
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121 |
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122 | session required pam_limits.so
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123 | session include system-session
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124 |
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125 | # End /etc/pam.d/lxdm</literal>
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126 | EOF
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127 |
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128 | sed -i 's:sysconfig/i18n:profile.d/i18n.sh:g' data/lxdm.in &&
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129 | sed -i 's:/etc/xprofile:/etc/profile:g' data/Xsession &&
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130 | sed -e 's/^bg/#&/' \
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131 | -e '/reset=1/ s/# //' \
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132 | -e 's/logou$/logout/' \
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133 | -e "/arg=/a arg=$XORG_PREFIX/bin/X" \
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134 | -i data/lxdm.conf.in</userinput></screen>
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135 |
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136 | <para>
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137 | Install <application>LXDM</application> by running the following
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138 | commands:
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139 | </para>
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140 |
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141 | <screen revision="sysv"><userinput>./configure --prefix=/usr \
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142 | --sysconfdir=/etc \
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143 | --with-pam \
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144 | --with-systemdsystemunitdir=no &&
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145 | make</userinput></screen>
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146 |
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147 | <screen revision="systemd"><userinput>./configure --prefix=/usr \
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148 | --sysconfdir=/etc \
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149 | --with-pam \
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150 | --with-systemdsystemunitdir=/lib/systemd/system &&
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151 | make</userinput></screen>
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152 |
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153 | <para>
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154 | This package does not come with a test suite.
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155 | </para>
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156 |
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157 | <para>
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158 | Now, as the <systemitem class="username">root</systemitem> user:
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159 | </para>
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160 |
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161 | <screen role="root"><userinput>make install</userinput></screen>
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162 |
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163 | </sect2>
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164 |
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165 | <!--Optional section-->
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166 | <sect2 role="commands">
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167 | <title>Command Explanations</title>
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168 |
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169 | <para>
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170 | <command>cat > pam/lxdm << "EOF" ...</command>: Replace default
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171 | <filename>/etc/pam.d/lxdm</filename> by another one appropriate for BLFS.
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172 | </para>
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173 |
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174 | <para>
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175 | <command>sed -i ... data/lxdm.conf.in</command>: Modifications in the
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176 | default configuration:
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177 | (1) fix the background to the default one;
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178 | (2) restart X when session is close;
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179 | (3) typo; and
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180 | (4) include <envar>XORG_PREFIX</envar>, which may be different from
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181 | <filename class="directory">/usr</filename>.
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182 | </para>
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183 |
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184 | <para>
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185 | <command>sed -i ... data/Xsession</command>: Source
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186 | <filename>/etc/profile</filename>, instead of other file, according to
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187 | BLFS standard.
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188 | </para>
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189 |
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190 | <para>
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191 | <command>sed -i ... data/lxdm.in</command>: Fix greeter's locale for BLFS
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192 | specification.
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193 | </para>
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194 |
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195 | <para>
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196 | <parameter>--with-pam</parameter>: This parameter enables use of pam
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197 | authentication.
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198 | </para>
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199 |
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200 | <para revision="sysv">
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201 | <parameter>--with-systemdsystemunitdir=no</parameter>: BLFS does not
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202 | support systemd.
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203 | </para>
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204 |
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205 | </sect2>
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206 |
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207 | <sect2 role="configuration">
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208 | <title>Configuring LXDM</title>
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209 |
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210 | <sect3 id="lxdm-config">
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211 | <title>Config Files</title>
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212 |
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213 | <para>
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214 | <filename>/etc/lxdm/lxdm.conf</filename>
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215 | </para>
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216 |
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217 | <indexterm zone="lxdm lxdm-config">
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218 | <primary sortas="e-etc-lxdm-lxdm.conf">/etc/lxdm/lxdm.conf</primary>
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219 | </indexterm>
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220 |
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221 | </sect3>
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222 |
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223 | <sect3 id="lxdm-init">
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224 | <title><phrase revision="sysv">Boot Script</phrase>
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225 | <phrase revision="systemd">Systemd Unit</phrase></title>
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226 |
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227 | <indexterm zone="lxdm lxdm-init">
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228 | <primary sortas="f-lxdm">lxdm</primary>
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229 | </indexterm>
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230 |
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231 | <para revision="sysv">
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232 | To start <command>lxdm</command> automatically when the system is
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233 | switched to runlevel 5, install the
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234 | <filename>/etc/rc.d/init.d/xdm</filename> script and the
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235 | <filename>/etc/sysconfig/xdm</filename> configuration file
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236 | included in the <xref linkend="bootscripts"/> package
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237 | and adjust <filename>/etc/inittab</filename> by running
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238 | as the <systemitem class="username">root</systemitem> user:
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239 | </para>
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240 |
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241 | <screen role="root" revision="sysv"><userinput>make install-lxdm</userinput></screen>
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242 |
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243 | <para revision="systemd">
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244 | To start <application>LXDM</application> at boot execute the following
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245 | command as the <systemitem class="username">root</systemitem> user:
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246 | </para>
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247 |
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248 | <screen role="root" revision="systemd"><userinput>systemctl enable lxdm</userinput></screen>
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249 |
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250 | </sect3>
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251 |
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252 | <sect3>
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253 | <title>Configuration Information</title>
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254 |
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255 | <para>
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256 | The LXDM daemon configuration file
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257 | (<filename>/etc/lxdm/lxdm.conf</filename>) specifies options that
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258 | include numlock on/off, background image (bg), session, etc. You can
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259 | set a default session by uncommenting the line:
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260 | session=/usr/bin/startlxde and replacing <command>startlxde</command>
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261 | with your session of choice. For <application>GNOME</application>
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262 | session=/usr/bin/gnome-session. For <application>OPENBOX</application>
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263 | session=/usr/bin/openbox-session and for
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264 | <application>XFCE</application> session=/usr/bin/startxfce4.
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265 | </para>
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266 |
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267 | <para>
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268 | It is also possible to set the preferred session on a per-user basis by
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269 | editing the ~/.dmrc file for each user and adding:
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270 | <screen><literal>[Desktop]
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271 | Session=xfce</literal></screen>
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272 | </para>
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273 |
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274 | <para>
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275 | You can replace the default dummy face in the greeting screen by another
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276 | image representing your user. For that, copy or symlink the desired
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277 | image to your home directory with the name <filename>.face</filename>.
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278 | </para>
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279 |
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280 | </sect3>
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281 |
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282 | <sect3 revision="sysv">
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283 | <title>Starting lxdm</title>
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284 |
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285 | <para>
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286 | The <command>lxdm</command> greeter can be started from the command
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287 | line as the <systemitem class="username">root</systemitem> user:
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288 | </para>
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289 |
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290 | <screen role="root"><userinput>telinit 5</userinput></screen>
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291 |
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292 | <para>
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293 | Alternatively the runlevel can be permanently set to 5, starting the
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294 | <command>lxdm</command> greeter screen automatically, by modifying
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295 | <filename>/etc/inittab</filename>. As the <systemitem
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296 | class="username">root</systemitem> user:
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297 | </para>
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298 |
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299 | <screen role="root"><userinput>cp -v /etc/inittab{,-orig} &&
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300 | sed -i '/initdefault/ s/3/5/' /etc/inittab</userinput></screen>
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301 |
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302 | <note>
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303 | <para>
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304 | One important script, executed after login is
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305 | <filename>/etc/lxdm/Xsession</filename> which we have fixed to fit
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306 | BLFS specifications.
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307 | </para>
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308 | </note>
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309 |
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310 | </sect3>
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311 |
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312 | </sect2>
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313 |
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314 | <sect2 role="content">
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315 | <title>Contents</title>
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316 |
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317 | <segmentedlist>
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318 | <segtitle>Installed Programs</segtitle>
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319 | <segtitle>Installed Libraries</segtitle>
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320 | <segtitle>Installed Directories</segtitle>
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321 |
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322 | <seglistitem>
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323 | <seg>
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324 | lxdm, lxdm-binary and lxdm-config
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325 | </seg>
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326 | <seg>
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327 | None
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328 | </seg>
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329 | <seg>
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330 | /etc/lxdm and
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331 | /usr/share/lxdm
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332 | </seg>
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333 | </seglistitem>
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334 | </segmentedlist>
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335 |
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336 | <variablelist>
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337 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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338 | <?dbfo list-presentation="list"?>
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339 | <?dbhtml list-presentation="table"?>
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340 |
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341 | <varlistentry id="lxdm-prog">
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342 | <term><command>lxdm</command></term>
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343 | <listitem>
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344 | <para>
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345 | is a script to execute <command>lxdm-binary</command>
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346 | </para>
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347 | <indexterm zone="lxdm lxdm-prog">
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348 | <primary sortas="b-lxdm">lxdm</primary>
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349 | </indexterm>
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350 | </listitem>
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351 | </varlistentry>
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352 |
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353 | <varlistentry id="lxdm-binary">
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354 | <term><command>lxdm-binary</command></term>
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355 | <listitem>
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356 | <para>
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357 | is the actual Display Manager; needs to be executed with option
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358 | <option>-d</option> to daemonize
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359 | </para>
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360 | <indexterm zone="lxdm lxdm-binary">
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361 | <primary sortas="b-lxdm-binary">lxdm-binary</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="lxdm-config-prog">
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367 | <term><command>lxdm-config</command></term>
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368 | <listitem>
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369 | <para>
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370 | is a graphical customizing program
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371 | </para>
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372 | <indexterm zone="lxdm lxdm-config">
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373 | <primary sortas="b-lxdm">lxdm</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 | </variablelist>
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379 |
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380 | </sect2>
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381 |
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382 | </sect1>
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