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 gdm-download-http "&gnome-download-http;/gdm/&gnome-version;/gdm-&gdm-version;.tar.bz2">
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8 | <!ENTITY gdm-download-ftp "&gnome-download-ftp;/gdm/&gnome-version;/gdm-&gdm-version;.tar.bz2">
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9 | <!ENTITY gdm-md5sum "ba35f9f750b50be572952195989df2c5">
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10 | <!ENTITY gdm-size "2.3 MB">
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11 | <!ENTITY gdm-buildsize "51 MB">
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12 | <!ENTITY gdm-time "0.8 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="gdm" xreflabel="GDM-&gdm-version;">
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16 | <?dbhtml filename="gdm.html"?>
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17 |
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18 | <sect1info>
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19 | <othername>$LastChangedBy$</othername>
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20 | <date>$Date$</date>
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21 | </sect1info>
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22 |
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23 | <title>GDM-&gdm-version;</title>
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24 |
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25 | <indexterm zone="gdm">
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26 | <primary sortas="a-GDM">GDM</primary>
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27 | </indexterm>
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28 |
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29 | <sect2 role="package">
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30 | <title>Introduction to GDM</title>
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31 |
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32 | <para>The <application>GDM</application> package contains
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33 | <application>GNOME</application>'s Display Manager daemon. This is
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34 | useful for allowing configurable graphical logins.</para>
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35 |
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36 | &lfs65_checked;
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37 |
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38 | <bridgehead renderas="sect3">Package Information</bridgehead>
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39 | <itemizedlist spacing="compact">
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40 | <listitem>
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41 | <para>Download (HTTP): <ulink url="&gdm-download-http;"/></para>
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42 | </listitem>
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43 | <listitem>
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44 | <para>Download (FTP): <ulink url="&gdm-download-ftp;"/></para>
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45 | </listitem>
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46 | <listitem>
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47 | <para>Download MD5 sum: &gdm-md5sum;</para>
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48 | </listitem>
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49 | <listitem>
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50 | <para>Download size: &gdm-size;</para>
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51 | </listitem>
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52 | <listitem>
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53 | <para>Estimated disk space required: &gdm-buildsize;</para>
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54 | </listitem>
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55 | <listitem>
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56 | <para>Estimated build time: &gdm-time;</para>
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57 | </listitem>
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58 | </itemizedlist>
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59 |
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60 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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61 | <itemizedlist spacing="compact">
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62 | <listitem>
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63 | <para>Required patch: <ulink
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64 | url="&patch-root;/gdm-&gdm-version;-fixes-1.patch"/></para>
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65 | </listitem>
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66 | </itemizedlist>
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67 |
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68 | <bridgehead renderas="sect3">GDM Dependencies</bridgehead>
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69 |
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70 | <bridgehead renderas="sect4">Required</bridgehead>
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71 | <para role="required"><xref linkend="gnome-panel"/> and
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72 | <xref linkend="xorg7-lib"/></para>
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73 |
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74 | <bridgehead renderas="sect4">Recommended</bridgehead>
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75 | <para role="recommended"><xref linkend="consolekit"/>
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76 | (Required for Shutdown/Restart functionality) and
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77 | <xref linkend="polkit-gnome"/></para>
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78 |
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79 | <bridgehead renderas="sect4">Optional</bridgehead>
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80 | <para role="optional">
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81 | <ulink url="http://check.sourceforge.net/">Check</ulink>,
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82 | <xref linkend="upower"/>,
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83 | <xref linkend="libxklavier"/>, and
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84 | <xref linkend="tcpwrappers"/></para>
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85 |
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86 | <para condition="html" role="usernotes">User Notes:
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87 | <ulink url="&blfs-wiki;/gdm"/></para>
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88 |
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89 | </sect2>
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90 |
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91 | <sect2 role="installation">
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92 | <title>Installation of GDM</title>
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93 |
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94 | <para>It is recommended to have a dedicated user and group to take
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95 | control of the <command>gdm-binary</command> daemon after it is
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96 | started. Issue the following commands as the
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97 | <systemitem class="username">root</systemitem> user:</para>
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98 |
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99 | <screen role='root'><userinput>groupadd -fg 21 gdm &&
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100 | useradd -c "GDM Daemon Owner" -d /var/lib/gdm -u 21 \
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101 | -g gdm -s /bin/false gdm || [ $? == 9 ]</userinput></screen>
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102 |
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103 | <para>Install <application>GDM</application> by running
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104 | the following commands as an unprivileged user:</para>
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105 |
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106 | <screen><userinput>patch -Np1 -i ../gdm-&gdm-version;-fixes-1.patch &&
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107 | ./configure --prefix=$(pkg-config --variable=prefix ORBit-2.0) \
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108 | --sysconfdir=&gnome-etc-dir; \
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109 | --localstatedir=/var \
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110 | --libexecdir=$(pkg-config \
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111 | --variable=prefix ORBit-2.0)/lib/gdm \
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112 | --with-pam-prefix=/etc &&
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113 | make</userinput></screen>
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114 |
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115 | <para>This package does not come with a test suite.</para>
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116 |
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117 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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118 |
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119 | <screen role='root'><userinput>make install &&
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120 | ln -fsv $(pkg-config --variable=prefix \
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121 | ORBit-2.0)/lib/gnome-settings-daemon-2.0/gnome-settings-daemon $(pkg-config \
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122 | --variable=prefix ORBit-2.0)/lib/gdm &&
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123 | ln -fsv /usr/lib/ConsoleKit/ck-get-x11-display-device $(pkg-config \
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124 | --variable=prefix ORBit-2.0)/lib/gdm &&
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125 | ln -fsv /usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1 $(pkg-config \
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126 | --variable=prefix ORBit-2.0)/lib/gdm
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127 | </userinput></screen>
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128 |
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129 | </sect2>
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130 |
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131 | <sect2 role="commands">
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132 | <title>Command Explanations</title>
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133 |
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134 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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135 | href="../../xincludes/gnome-prefix.xml"/>
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136 |
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137 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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138 | href="../../xincludes/gnome-sysconfdir.xml"/>
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139 |
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140 | <para><parameter>--localstatedir=/var</parameter>: This command
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141 | puts files in <filename class="directory">/var</filename> instead of
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142 | <filename class="directory">$GNOME_PREFIX/var</filename>.</para>
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143 |
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144 | <para><parameter>--libexecdir=$(pkg-config
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145 | --variable=prefix ORBit-2.0)/lib/gdm</parameter>: This parameter is
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146 | used so that the <application>GDM</application> internal support programs
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147 | are installed in the preferred location of
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148 | <filename class='directory'>$GNOME_PREFIX/lib/gdm</filename> instead
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149 | of <filename class='directory'>$GNOME_PREFIX/libexec</filename>.</para>
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150 |
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151 | <para><parameter>--with-pam-prefix=/etc</parameter>: This command puts
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152 | <application>PAM</application> configuration files in
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153 | <filename class="directory">/etc/pam.d</filename> instead of
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154 | <filename class="directory">&gnome-etc-dir;</filename>.</para>
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155 |
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156 | </sect2>
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157 |
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158 | <sect2 role="configuration">
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159 | <title>Configuring GDM</title>
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160 |
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161 | <sect3 id="gdm-config">
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162 | <title>Config Files</title>
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163 |
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164 | <para><filename>&gnome-etc-dir;/gdm/custom.conf</filename>,
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165 | <filename>$GNOME_PREFIX/share/gdm/defaults.conf</filename></para>
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166 |
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167 | <indexterm zone="gdm gdm-config">
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168 | <primary sortas="e-etc-gnome-&gnome-version;&gnome-minor-version;gdm-custom.conf">
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169 | &gnome-etc-dir;/gdm/custom.conf</primary>
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170 | </indexterm>
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171 | <indexterm zone="gdm gdm-config">
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172 | <primary sortas="e-$GNOME_PREFIX-share-gdm-defaults.conf">
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173 | $GNOME_PREFIX/share/gdm/defaults.conf</primary>
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174 | </indexterm>
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175 |
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176 | </sect3>
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177 |
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178 | <sect3>
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179 | <title>Configuration Information</title>
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180 |
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181 | <para>Starting with the 2.14.x version of GNOME, the default
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182 | configuration parameters are stored in a static file
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183 | (<filename><envar>$GNOME_PREFIX</envar>/share/gdm/defaults.conf</filename>).
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184 | This file is not intended to be edited. If modification of the
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185 | configuration is necessary, you should add parameters to the
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186 | <filename>&gnome-etc-dir;/gdm/custom.conf</filename> file. The settings
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187 | in this file will override the settings in the static file. The same
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188 | parameters in the static file are used in the configuration file.</para>
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189 |
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190 | <para>The <application>GDM</application> <application>PAM</application>
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191 | configuration files contain modules not present in a BLFS installation.
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192 | If you have <application>PAM</application> installed, issue the following
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193 | commands as the <systemitem class="username">root</systemitem> user to
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194 | replace those files with files containing correctly specified
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195 | modules:</para>
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196 |
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197 | <screen role="root"><userinput>cat > /etc/pam.d/gdm << "EOF"
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198 | <literal>auth required pam_unix.so
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199 | auth requisite pam_nologin.so
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200 | account required pam_unix.so
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201 | password required pam_unix.so
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202 | session required pam_unix.so</literal>
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203 |
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204 | EOF
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205 | cat > /etc/pam.d/gdm-autologin << "EOF"
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206 | <literal>auth required pam_env.so
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207 | auth requisite pam_nologin.so
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208 | auth required pam_permit.so
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209 | account required pam_unix.so
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210 | password required pam_unix.so
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211 | session required pam_unix.so</literal>
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212 |
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213 | EOF</userinput></screen>
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214 |
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215 | <indexterm zone="gdm gdm-config">
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216 | <primary sortas="e-etc-pam.d-gdm">/etc/pam.d/gdm</primary>
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217 | </indexterm>
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218 | <indexterm zone="gdm gdm-config">
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219 | <primary
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220 | sortas="e-etc-pam.d-gdm-autologin">/etc/pam.d/gdm-autologin</primary>
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221 | </indexterm>
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222 |
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223 | <para id="gdm-config-dbus">If you have <application>D-BUS</application>
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224 | installed and you want to start the session
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225 | <application>D-BUS</application> daemon when you start the GNOME desktop
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226 | environment using <command>gdm</command>, you'll need to create a new
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227 | Xsession file. Create the file using the following command as the root
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228 | user.</para>
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229 |
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230 | <screen role="root"><userinput>cat > $GNOME_PREFIX/share/xsessions/gnome-dbus.desktop << "EOF"
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231 | <literal>[Desktop Entry]
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232 | Encoding=UTF-8
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233 | Name=GNOME with D-BUS
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234 | Comment=GNOME Desktop with D-BUS support
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235 | Exec=dbus-launch --exit-with-session gnome-session
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236 | TryExec=/usr/bin/dbus-launch
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237 | Icon=
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238 | Type=Application</literal>
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239 |
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240 | EOF
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241 | chmod -v 644 $GNOME_PREFIX/share/xsessions/gnome-dbus.desktop</userinput></screen>
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242 |
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243 | <para>Choose this session using the session selection dialog on the
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244 | display manager login screen. You also have the opportunity to make this
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245 | your default session.</para>
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246 |
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247 | <note>
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248 | <para>You may use the <filename class='extension'>.desktop</filename>
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249 | file created above as an example to create additional
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250 | <filename class='extension'>.desktop</filename> files and add any other
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251 | desired items to the <application>GDM</application> display manager session
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252 | selection menu.</para>
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253 | </note>
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254 |
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255 | <para><command>gdm</command> can be tested by executing it as the
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256 | <systemitem class="username">root</systemitem> user. Use the
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257 | <command>gdm-stop</command> command if you wish to stop the display
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258 | manager.</para>
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259 |
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260 | </sect3>
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261 |
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262 | <sect3 id="gdm-init">
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263 | <title>Boot Script</title>
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264 |
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265 | <para>To start a graphical login when the system is booted, install the
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266 | <filename>/etc/rc.d/init.d/gdm</filename> init script included in the
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267 | <xref linkend="bootscripts"/> package. If your
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268 | <envar>GNOME_PREFIX</envar> environment variable is anything other than
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269 | <filename class='directory'>/usr</filename> or <filename
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270 | class='directory'>/opt/gnome-&gnome-version;&gnome-minor-version;</filename>,
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271 | you will need to modify the <envar>PATH</envar> statement in the script
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272 | to include the path where you have <application>GNOME</application>
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273 | installed.</para>
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274 |
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275 | <indexterm zone="gdm gdm-init">
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276 | <primary sortas="f-gdm">gdm</primary>
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277 | </indexterm>
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278 |
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279 | <screen role="root"><userinput>make install-gdm</userinput></screen>
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280 |
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281 | <para>Now edit <filename>/etc/inittab</filename> with the following
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282 | commands.</para>
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283 |
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284 | <screen role="root"><userinput>sed -i 's/id:3:initdefault:/id:5:initdefault:/' \
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285 | /etc/inittab</userinput></screen>
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286 |
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287 | </sect3>
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288 |
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289 | </sect2>
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290 |
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291 | <sect2 role="content">
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292 | <title>Contents</title>
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293 |
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294 | <segmentedlist>
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295 | <segtitle>Installed Programs</segtitle>
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296 | <segtitle>Installed Libraries</segtitle>
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297 | <segtitle>Installed Directories</segtitle>
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298 |
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299 | <seglistitem>
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300 | <seg>Default, Default.sample, Default, Default, Xsession, gdm,
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301 | gdm-screenshot, gdmflexiserver, gdm-crash-logger, gdm-factory-slave,
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302 | gdm-host-chooser, gdm-product-slave, gdm-session-worker,
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303 | gdm-simple-chooser, gdm-simple-greeter, gdm-simple-slave,
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304 | gdm-user-switch-applet, gdm-xdmcp-chooser-slave, gdm, gdm-binary,
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305 | gdm-restart, gdm-safe-restart, and gdm-stop</seg>
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306 | <seg>None</seg>
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307 | <seg>&gnome-etc-dir;/gdm/{Init,PostLogin,PostSession,PreSession},
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308 | <envar>$GNOME_PREFIX</envar>/{lib/gdm,share/{gnome/help/gdm/*,omf/gdm,
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309 | pixmaps/faces}},
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310 | /var/{cache/gdm,gdm,lib/gdm/.gconf.mandatory,log/gdm,
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311 | run/gdm/greeter}</seg>
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312 | </seglistitem>
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313 | </segmentedlist>
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314 |
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315 | <variablelist>
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316 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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317 | <?dbfo list-presentation="list"?>
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318 | <?dbhtml list-presentation="table"?>
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319 |
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320 | <varlistentry id="gdmflexiserver">
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321 | <term><command>gdmflexiserver</command></term>
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322 | <listitem>
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323 | <para>is the flexi server mechanism which allows to run GDM sessions
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324 | on demand, in a new virtual console.</para>
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325 | <indexterm zone="gdm gdmflexiserver">
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326 | <primary sortas="b-gdmflexiserver">gdmflexiserver</primary>
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327 | </indexterm>
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328 | </listitem>
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329 | </varlistentry>
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330 |
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331 | <varlistentry id="gdm-screenshot">
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332 | <term><command>gdm-screenshot</command></term>
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333 | <listitem>
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334 | <para>is a screenshot tool.</para>
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335 | <indexterm zone="gdm gdm-screenshot">
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336 | <primary sortas="b-gdm-screenshot">gdm-screenshot</primary>
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337 | </indexterm>
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338 | </listitem>
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339 | </varlistentry>
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340 |
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341 | <varlistentry id="gdm-prog">
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342 | <term><command>gdm</command></term>
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343 | <listitem>
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344 | <para>is a wrapper script to execute the
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345 | <application>GDM</application> binary, the configurable
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346 | <application>GNOME</application> based login prompt.</para>
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347 | <indexterm zone="gdm gdm-prog">
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348 | <primary sortas="b-gdm">gdm</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="gdm-binary">
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354 | <term><command>gdm-binary</command></term>
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355 | <listitem>
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356 | <para>is the <application>GNOME</application> based login prompt.</para>
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357 | <indexterm zone="gdm gdm-binary">
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358 | <primary sortas="b-gdm-binary">gdm-binary</primary>
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359 | </indexterm>
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360 | </listitem>
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361 | </varlistentry>
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362 |
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363 | <varlistentry id="gdm-restart">
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364 | <term><command>gdm-restart</command></term>
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365 | <listitem>
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366 | <para>sends the HUP signal to the <application>GDM</application>
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367 | daemon so that it restarts. It's used after the config file
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368 | is edited</para>
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369 | <indexterm zone="gdm gdm-restart">
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370 | <primary sortas="b-gdm-restart">gdm-restart</primary>
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371 | </indexterm>
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372 | </listitem>
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373 | </varlistentry>
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374 |
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375 | <varlistentry id="gdm-safe-restart">
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376 | <term><command>gdm-safe-restart</command></term>
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377 | <listitem>
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378 | <para>sends the USR1 signal to the <application>GDM</application>
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379 | daemon so that it restarts. It's used after the config file
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380 | is edited.</para>
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381 | <indexterm zone="gdm gdm-safe-restart">
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382 | <primary sortas="b-gdm-safe-restart">gdm-safe-restart</primary>
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383 | </indexterm>
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384 | </listitem>
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385 | </varlistentry>
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386 |
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387 | <varlistentry id="gdm-stop">
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388 | <term><command>gdm-stop</command></term>
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389 | <listitem>
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390 | <para>sends the TERM signal to the <application>GDM</application>
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391 | daemon so that it stops. It's used after the config file is
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392 | edited.</para>
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393 | <indexterm zone="gdm gdm-stop">
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394 | <primary sortas="b-gdm-stop">gdm-stop</primary>
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395 | </indexterm>
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396 | </listitem>
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397 | </varlistentry>
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398 |
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399 | </variablelist>
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400 |
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401 | </sect2>
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402 |
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403 | </sect1>
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