1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.4/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/2.8/gdm-&gdm-version;.tar.bz2">
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8 | <!ENTITY gdm-download-ftp "&gnome-download-ftp;/gdm/2.8/gdm-&gdm-version;.tar.bz2">
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9 | <!ENTITY gdm-md5sum "566a1e3d656b6b536414f287ead2db7e">
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10 | <!ENTITY gdm-size "2.7 MB">
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11 | <!ENTITY gdm-buildsize "51.2 MB">
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12 | <!ENTITY gdm-time "0.7 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 | <keywordset>
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22 | <keyword role="package">gdm-&gdm-version;.tar</keyword>
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23 | <keyword role="ftpdir">gdm</keyword>
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24 | </keywordset>
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25 | </sect1info>
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26 |
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27 | <title>GDM-&gdm-version;</title>
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28 |
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29 | <indexterm zone="gdm">
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30 | <primary sortas="a-GDM">GDM</primary>
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31 | </indexterm>
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32 |
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33 | <sect2 role="package">
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34 | <title>Introduction to GDM</title>
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35 |
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36 | <para>The <application>GDM</application> package contains
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37 | <application>GNOME</application>'s Display Manager daemon. This is
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38 | useful for allowing configurable graphical logins.</para>
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39 |
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40 | <bridgehead renderas="sect3">Package Information</bridgehead>
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41 | <itemizedlist spacing="compact">
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42 | <listitem>
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43 | <para>Download (HTTP): <ulink url="&gdm-download-http;"/></para>
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44 | </listitem>
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45 | <listitem>
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46 | <para>Download (FTP): <ulink url="&gdm-download-ftp;"/></para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>Download MD5 sum: &gdm-md5sum;</para>
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50 | </listitem>
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51 | <listitem>
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52 | <para>Download size: &gdm-size;</para>
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53 | </listitem>
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54 | <listitem>
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55 | <para>Estimated disk space required: &gdm-buildsize;</para>
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56 | </listitem>
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57 | <listitem>
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58 | <para>Estimated build time: &gdm-time;</para>
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59 | </listitem>
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60 | </itemizedlist>
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61 |
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62 | <bridgehead renderas="sect3">GDM Dependencies</bridgehead>
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63 |
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64 | <bridgehead renderas="sect4">Required</bridgehead>
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65 | <para role="required"><xref linkend="libgnomeui"/>,
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66 | <xref linkend="scrollkeeper"/>, and
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67 | <xref linkend="librsvg"/></para>
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68 |
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69 | <bridgehead renderas="sect4">Optional</bridgehead>
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70 | <para role="optional"><xref linkend="linux-pam"/> and
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71 | <xref linkend="tcpwrappers"/></para>
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72 |
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73 | </sect2>
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74 |
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75 | <sect2 role="installation">
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76 | <title>Installation of GDM</title>
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77 |
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78 | <para>It is recommended to have a dedicated user and group to take
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79 | control of the <command>gdm-binary</command> daemon after it is
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80 | started. Issue the following commands as the
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81 | <systemitem class="username">root</systemitem> user:</para>
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82 |
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83 | <screen role='root'><userinput>groupadd -g 21 gdm &&
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84 | useradd -c "GDM Daemon Owner" -d /dev/null \
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85 | -g gdm -s /bin/bash -u 21 gdm</userinput></screen>
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86 |
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87 | <para>Install <application>GDM</application> by running
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88 | the following commands as an unprivileged user:</para>
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89 |
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90 | <screen><userinput>./configure --prefix=`pkg-config --variable=prefix ORBit-2.0` \
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91 | --libexecdir=`pkg-config \
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92 | --variable=prefix ORBit-2.0`/lib/gdm \
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93 | --sysconfdir=&gnome-etc-dir; \
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94 | --localstatedir=/var/lib \
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95 | --with-pam-prefix=/etc &&
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96 | make</userinput></screen>
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97 |
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98 | <para>This package does not come with a test suite.</para>
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99 |
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100 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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101 |
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102 | <screen role='root'><userinput>make install</userinput></screen>
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103 |
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104 | </sect2>
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105 |
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106 | <sect2 role="commands">
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107 | <title>Command Explanations</title>
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108 |
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109 | <para><parameter>--sysconfdir=&gnome-etc-dir;</parameter>: This command puts
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110 | configuration files in <filename class="directory">&gnome-etc-dir;</filename>
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111 | instead of <filename class="directory">$GNOME_PREFIX/etc</filename>.</para>
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112 |
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113 | <para><parameter>--localstatedir=/var/lib</parameter>: This command
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114 | puts files in <filename class="directory">/var/lib</filename> instead of
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115 | <filename class="directory">$GNOME_PREFIX/var</filename>. This also has
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116 | the downside affect of using
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117 | <filename class='directory'>/var/lib/log/gdm</filename> as the log
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118 | directory. See the <quote>Configuration Information</quote> section below
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119 | for instructions on relocating the log file directory.</para>
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120 |
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121 | <para><parameter>--with-pam-prefix=/etc</parameter>: This command puts
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122 | <application>PAM</application> configuration files in
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123 | <filename class="directory">/etc/pam.d</filename> instead of
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124 | <filename class="directory">&gnome-etc-dir;</filename>.</para>
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125 |
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126 | </sect2>
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127 |
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128 | <sect2 role="configuration">
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129 | <title>Configuring GDM</title>
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130 |
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131 | <sect3 id="gdm-config">
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132 | <title>Config Files</title>
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133 |
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134 | <para><filename>&gnome-etc-dir;/gdm/gdm.conf</filename></para>
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135 |
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136 | <indexterm zone="gdm gdm-config">
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137 | <primary sortas="e-etc-gnome-&gnome-version;&gnome-minor-version;gdm-gdm.conf">
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138 | &gnome-etc-dir;/gdm/gdm.conf</primary>
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139 | </indexterm>
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140 |
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141 | </sect3>
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142 |
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143 | <sect3>
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144 | <title>Configuration Information</title>
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145 |
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146 | <para>Change the directory containing the <application>GDM</application>
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147 | log files to the <filename class='directory'>/var/log</filename>
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148 | hierarchy by creating a directory and modifying the
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149 | <filename>&gnome-etc-dir;/gdm/gdm.conf</filename> configuration file. Issue
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150 | the following commands as the
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151 | <systemitem class="username">root</systemitem> user:</para>
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152 |
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153 | <screen role="root"><userinput>install -v -m755 -d /var/log/gdm &&
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154 | sed -i "s|var/lib/log|var/log|" &gnome-etc-dir;/gdm/gdm.conf &&
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155 | rmdir -v /var/lib/log/gdm &&
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156 | rmdir -v /var/lib/log</userinput></screen>
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157 |
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158 | <para>The <application>GDM</application> <application>PAM</application>
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159 | configuration files contain modules not present in a BLFS installation.
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160 | If you have <application>PAM</application> installed, issue the following
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161 | commands as the <systemitem class="username">root</systemitem> user to
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162 | replace those files with files containing correctly specified
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163 | modules:</para>
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164 |
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165 | <screen role="root"><userinput>cat > /etc/pam.d/gdm << "EOF"
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166 | <literal>auth required pam_unix.so
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167 | auth required pam_nologin.so
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168 | account required pam_unix.so
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169 | password required pam_unix.so
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170 | session required pam_unix.so</literal>
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171 |
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172 | EOF
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173 | cat > /etc/pam.d/gdm-autologin << "EOF"
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174 | <literal>auth required pam_env.so
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175 | auth required pam_nologin.so
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176 | auth required pam_permit.so
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177 | account required pam_unix.so
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178 | password required pam_unix.so
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179 | session required pam_unix.so</literal>
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180 |
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181 | EOF</userinput></screen>
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182 |
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183 | <indexterm zone="gdm gdm-config">
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184 | <primary sortas="e-etc-pam.d-gdm">/etc/pam.d/gdm</primary>
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185 | </indexterm>
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186 |
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187 | <indexterm zone="gdm gdm-config">
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188 | <primary
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189 | sortas="e-etc-pam.d-gdm-autologin">/etc/pam.d/gdm-autologin</primary>
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190 | </indexterm>
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191 |
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192 | <para id="gdm-config-dbus">If you have <application>D-BUS</application>
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193 | installed and you want to start the session
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194 | <application>D-BUS</application> daemon when you start the GNOME desktop
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195 | environment using <command>gdm</command>, you'll need to create a new
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196 | Xsession file. Create the file using the following command as the root
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197 | user.</para>
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198 |
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199 | <screen role="root"><userinput>cat > $GNOME_PREFIX/share/xsessions/gnome-dbus.desktop << "EOF"
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200 | <literal>[Desktop Entry]
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201 | Encoding=UTF-8
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202 | Name=GNOME with D-BUS
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203 | Comment=GNOME Desktop with D-BUS support
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204 | Exec=dbus-launch --exit-with-session gnome-session
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205 | TryExec=/usr/bin/dbus-launch
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206 | Icon=
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207 | Type=Application</literal>
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208 |
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209 | EOF
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210 | chmod -v 644 $GNOME_PREFIX/share/xsessions/gnome-dbus.desktop</userinput></screen>
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211 |
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212 | <para>Choose this session using the session selection dialog on the
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213 | display manager login screen. You also have the opportunity to make this
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214 | your default session.</para>
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215 |
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216 | <note>
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217 | <para>You may use the <filename class='extension'>.desktop</filename>
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218 | file created above as an example to create additional
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219 | <filename class='extension'>.desktop</filename> files and add any other
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220 | desired items to the <application>GDM</application> display manager session
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221 | selection menu.</para>
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222 | </note>
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223 |
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224 | <para><command>gdm</command> can be tested by executing it as the
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225 | <systemitem class="username">root</systemitem> user. Use the
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226 | <command>gdm-stop</command> command if you wish to stop the display
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227 | manager.</para>
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228 |
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229 | </sect3>
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230 |
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231 | <sect3 id="gdm-init">
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232 | <title>Boot Script</title>
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233 |
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234 | <para>To start a graphical login when the system is booted, install the
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235 | <filename>/etc/rc.d/init.d/gdm</filename> init script included in the
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236 | <xref linkend="bootscripts"/> package. If your
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237 | <envar>GNOME_PREFIX</envar> environment variable is anything other than
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238 | <filename class='directory'>/usr</filename> or <filename
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239 | class='directory'>/opt/gnome-&gnome-version;&gnome-minor-version;</filename>,
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240 | you will need to modify the <envar>PATH</envar> statement in the script
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241 | to include the path where you have <application>GNOME</application>
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242 | installed.</para>
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243 |
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244 | <indexterm zone="gdm gdm-init">
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245 | <primary sortas="f-gdm">gdm</primary>
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246 | </indexterm>
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247 |
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248 | <screen role="root"><userinput>make install-gdm</userinput></screen>
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249 |
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250 | <para>To autostart with a graphical login, edit
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251 | <filename>/etc/inittab</filename> so that the line containing:</para>
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252 |
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253 | <screen><literal>id:3:initdefault:</literal></screen>
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254 |
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255 | <para>is changed to:</para>
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256 |
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257 | <screen><literal>id:5:initdefault:</literal></screen>
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258 |
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259 | </sect3>
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260 |
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261 | </sect2>
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262 |
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263 | <sect2 role="content">
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264 | <title>Contents</title>
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265 |
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266 | <segmentedlist>
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267 | <segtitle>Installed Programs</segtitle>
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268 | <segtitle>Installed Libraries</segtitle>
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269 | <segtitle>Installed Directories</segtitle>
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270 |
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271 | <seglistitem>
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272 | <seg>gdm, gdm-binary, gdm-dmx-reconnect-proxy, gdm-restart,
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273 | gdm-safe-restart, gdm-stop, gdmXnest, gdmXnestchooser, gdmdynamic,
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274 | gdmflexiserver, gdmphotosetup, gdmsetup, and gdmthemetester</seg>
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275 | <seg>None</seg>
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276 | <seg>&gnome-etc-dir;/[,g]dm, /var/lib/gdm, /var/log/gdm and the
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277 | following directories in $GNOME_PREFIX/:
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278 | share/gdm,
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279 | share/gnome/capplets,
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280 | share/gnome/help/gdm,
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281 | share/omf/gdm, and
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282 | share/xsessions</seg>
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283 | </seglistitem>
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284 | </segmentedlist>
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285 |
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286 | <variablelist>
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287 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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288 | <?dbfo list-presentation="list"?>
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289 | <?dbhtml list-presentation="table"?>
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290 |
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291 | <varlistentry id="gdm-prog">
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292 | <term><command>gdm</command></term>
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293 | <listitem>
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294 | <para>is a wrapper script to execute the
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295 | <application>GDM</application> binary, the configurable
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296 | <application>GNOME</application> based login prompt.</para>
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297 | <indexterm zone="gdm gdm-prog">
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298 | <primary sortas="b-gdm">gdm</primary>
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299 | </indexterm>
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300 | </listitem>
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301 | </varlistentry>
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302 |
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303 | <varlistentry id="gdm-restart">
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304 | <term><command>gdm-restart</command></term>
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305 | <listitem>
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306 | <para>sends the HUP signal to the <application>GDM</application>
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307 | daemon so that it restarts. It's used after the config file
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308 | is edited</para>
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309 | <indexterm zone="gdm gdm-restart">
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310 | <primary sortas="b-gdm-restart">gdm-restart</primary>
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311 | </indexterm>
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312 | </listitem>
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313 | </varlistentry>
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314 |
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315 | <varlistentry id="gdm-safe-restart">
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316 | <term><command>gdm-safe-restart</command></term>
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317 | <listitem>
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318 | <para>sends the USR1 signal to the <application>GDM</application>
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319 | daemon so that it restarts. It's used after the config file
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320 | is edited.</para>
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321 | <indexterm zone="gdm gdm-safe-restart">
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322 | <primary sortas="b-gdm-safe-restart">gdm-safe-restart</primary>
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323 | </indexterm>
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324 | </listitem>
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325 | </varlistentry>
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326 |
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327 | <varlistentry id="gdmsetup">
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328 | <term><command>gdmsetup</command></term>
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329 | <listitem>
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330 | <para>is a graphical interface to edit the
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331 | <filename>gdm.conf</filename> file.</para>
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332 | <indexterm zone="gdm gdmsetup">
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333 | <primary sortas="b-gdmsetup">gdmsetup</primary>
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334 | </indexterm>
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335 | </listitem>
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336 | </varlistentry>
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337 | </variablelist>
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338 |
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339 | </sect2>
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340 |
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341 | </sect1>
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