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 "http://ftp.gnome.org/pub/GNOME/sources/gdm/2.6/gdm-&gdm-version;.tar.bz2">
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8 | <!ENTITY gdm-download-ftp "ftp://ftp.gnome.org/pub/GNOME/sources/gdm/2.6/gdm-&gdm-version;.tar.bz2">
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9 | <!ENTITY gdm-md5sum "d845fe205412bb101d4c66d1e88a317d">
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10 | <!ENTITY gdm-size "3.4 MB">
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11 | <!ENTITY gdm-buildsize "46 MB">
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12 | <!ENTITY gdm-time "0.5 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 | <bridgehead renderas="sect3">Package Information</bridgehead>
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37 | <itemizedlist spacing="compact">
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38 | <listitem>
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39 | <para>Download (HTTP): <ulink url="&gdm-download-http;"/></para>
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40 | </listitem>
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41 | <listitem>
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42 | <para>Download (FTP): <ulink url="&gdm-download-ftp;"/></para>
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43 | </listitem>
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44 | <listitem>
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45 | <para>Download MD5 sum: &gdm-md5sum;</para>
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46 | </listitem>
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47 | <listitem>
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48 | <para>Download size: &gdm-size;</para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>Estimated disk space required: &gdm-buildsize;</para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>Estimated build time: &gdm-time;</para>
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55 | </listitem>
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56 | </itemizedlist>
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57 |
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58 | <bridgehead renderas="sect3">GDM Dependencies</bridgehead>
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59 |
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60 | <bridgehead renderas="sect4">Required</bridgehead>
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61 | <para><xref linkend="libgnomeui"/>,
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62 | <xref linkend="scrollkeeper"/> and
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63 | <xref linkend="librsvg"/></para>
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64 |
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65 | <bridgehead renderas="sect4">Optional</bridgehead>
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66 | <para><xref linkend="Linux_PAM"/>,
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67 | <xref linkend="tcpwrappers"/> and
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68 | <ulink url="http://www.nsa.gov/selinux/">SELinux</ulink></para>
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69 |
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70 | </sect2>
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71 |
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72 | <sect2 role="installation">
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73 | <title>Installation of GDM</title>
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74 |
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75 | <para>It is recommended to have a dedicated user and group to take
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76 | control of the <command>gdm-binary</command> daemon after it is
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77 | started. Issue the following commands as the
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78 | <systemitem class="username">root</systemitem> user:</para>
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79 |
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80 | <screen role='root'><userinput>groupadd -g 21 gdm &&
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81 | useradd -c "GDM Daemon Owner" -d /dev/null -g gdm -s /bin/bash -u 21 gdm</userinput></screen>
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82 |
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83 | <para>Install <application>GDM</application> by running
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84 | the following commands as an unprivileged user:</para>
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85 |
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86 | <screen><userinput>./configure --prefix=`pkg-config --variable=prefix ORBit-2.0` \
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87 | --libexecdir=`pkg-config --variable=prefix ORBit-2.0`/sbin \
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88 | --sysconfdir=/etc/gnome --localstatedir=/var/lib \
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89 | --with-pam-prefix=/etc &&
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90 | make</userinput></screen>
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91 |
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92 | <para>This package does not come with a test suite.</para>
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93 |
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94 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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95 |
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96 | <screen role='root'><userinput>make install &&
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97 | chmod -v 644 --prefix=`pkg-config --variable=prefix ORBit-2.0`\
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98 | /share/gdm/BuiltInSessions/default.desktop &&
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99 | chmod -v 644 --prefix=`pkg-config --variable=prefix ORBit-2.0`\
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100 | /share/xsessions/gnome.desktop</userinput></screen>
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101 |
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102 | </sect2>
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103 |
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104 | <sect2 role="commands">
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105 | <title>Command Explanations</title>
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106 |
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107 | <para><parameter>--sysconfdir=/etc/gnome</parameter>: This command puts
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108 | configuration files in <filename class="directory">/etc/gnome</filename>
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109 | instead of <filename class="directory">$GNOME_PREFIX/etc</filename>.</para>
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110 |
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111 | <para><parameter>--localstatedir=/var/lib</parameter>: This command
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112 | puts files in <filename class="directory">/var/lib</filename> instead of
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113 | <filename class="directory">$GNOME_PREFIX/var</filename>. This also has
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114 | the downside affect of using
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115 | <filename class='directory'>/var/lib/log/gdm</filename> as the log
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116 | directory. See the <quote>Configuration Information</quote> section below
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117 | for information how to relocate the log file directory.</para>
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118 |
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119 | <para><parameter>--with-pam-prefix=/etc</parameter>: This command puts
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120 | <application>PAM</application> configuration files in
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121 | <filename class="directory">/etc/pam.d</filename> instead of
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122 | <filename class="directory">/etc/gnome</filename>.</para>
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123 |
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124 | </sect2>
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125 |
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126 | <sect2 role="configuration">
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127 | <title>Configuring GDM</title>
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128 |
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129 | <sect3 id="gdm-config">
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130 | <title>Config Files</title>
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131 |
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132 | <para><filename>/etc/gnome/gdm/gdm.conf</filename></para>
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133 |
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134 | <indexterm zone="gdm gdm-config">
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135 | <primary sortas="e-etc-gnome-gdm-gdm.conf">/etc/gnome/gdm/gdm.conf</primary>
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136 | </indexterm>
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137 |
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138 | </sect3>
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139 |
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140 | <sect3>
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141 | <title>Configuration Information</title>
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142 |
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143 | <para>If desired, change the directory containing the
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144 | <application>GDM</application> log files to the
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145 | <filename class='directory'>/var/log</filename> hierarchy by modifying
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146 | the <filename>/etc/gnome/gdm/gdm.conf</filename> configuration file as
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147 | the <systemitem class="username">root</systemitem> user:</para>
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148 |
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149 | <screen role="root"><userinput>sed -i -e "s|var/lib/log|var/log|" /etc/gnome/gdm/gdm.conf</userinput></screen>
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150 |
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151 | <para>The <application>GDM</application> <application>PAM</application>
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152 | config files contain modules not present in a BLFS installation. The
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153 | following commands will replace those files (issue as the
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154 | <systemitem class="username">root</systemitem> user):</para>
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155 |
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156 | <screen role="root"><userinput>cat > /etc/pam.d/gdm << "EOF"
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157 | <literal>auth required pam_unix.so
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158 | auth required pam_nologin.so
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159 | account required pam_unix.so
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160 | password required pam_unix.so
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161 | session required pam_unix.so</literal>
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162 | EOF
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163 | cat > /etc/pam.d/gdm-autologin << "EOF"
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164 | <literal>auth required pam_env.so
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165 | auth required pam_nologin.so
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166 | auth required pam_permit.so
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167 | account required pam_unix.so
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168 | password required pam_unix.so
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169 | session required pam_unix.so</literal>
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170 | EOF</userinput></screen>
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171 |
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172 | <indexterm zone="gdm gdm-config">
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173 | <primary sortas="e-etc-pam.d-gdm">/etc/pam.d/gdm</primary>
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174 | </indexterm>
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175 |
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176 | <indexterm zone="gdm gdm-config">
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177 | <primary
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178 | sortas="e-etc-pam.d-gdm-autologin">/etc/pam.d/gdm-autologin</primary>
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179 | </indexterm>
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180 |
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181 | <para><command>gdm</command> can be tested by executing it from a
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182 | <systemitem class="username">root</systemitem> console.</para>
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183 |
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184 | </sect3>
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185 |
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186 | <sect3 id="gdm-init">
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187 | <title>Boot Script</title>
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188 |
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189 | <para>To start a graphical login at boot, install the
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190 | <filename>/etc/rc.d/init.d/gdm</filename> init script included in the
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191 | <xref linkend="intro-important-bootscripts"/> package. If your
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192 | <envar>GNOME_PREFIX</envar> environment variable is anything other than
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193 | <filename class='directory'>/usr</filename> or
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194 | <filename class='directory'>/opt/gnome-2.10</filename>, you will need to
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195 | modify the <envar>PATH</envar> statement in the script to include the
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196 | path where you have <application>GNOME</application> installed.</para>
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197 |
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198 | <indexterm zone="gdm gdm-init">
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199 | <primary sortas="f-gdm">gdm</primary>
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200 | </indexterm>
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201 |
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202 | <screen role="root"><userinput>make install-gdm</userinput></screen>
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203 |
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204 | <para>To autostart with a graphical login, edit
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205 | <filename>/etc/inittab</filename> so that the line containing:</para>
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206 |
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207 | <screen><literal>id:3:initdefault:</literal></screen>
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208 |
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209 | <para>is changed to:</para>
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210 |
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211 | <screen><literal>id:5:initdefault:</literal></screen>
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212 |
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213 | </sect3>
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214 |
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215 | </sect2>
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216 |
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217 | <sect2 role="content">
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218 | <title>Contents</title>
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219 |
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220 | <segmentedlist>
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221 | <segtitle>Installed Programs</segtitle>
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222 | <segtitle>Installed Libraries</segtitle>
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223 | <segtitle>Installed Directories</segtitle>
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224 |
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225 | <seglistitem>
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226 | <seg>gdm, gdm-binary, gdmXnest, gdmXnestchooser, gdmchooser,
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227 | gdmflexiserver, gdmgreeter, gdmlogin, gdmphotosetup, gdmsetup,
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228 | gdmthemetester, gdm-restart, gdm-safe-restart, gdm-stop,
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229 | gdmconfig, gdmopen, and gdmtranslate</seg>
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230 | <seg>None</seg>
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231 | <seg>/etc/gnome/dm, /etc/gnome/gdm,
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232 | $GNOME_PREFIX/share/gdm,
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233 | $GNOME_PREFIX/share/gnome/capplets,
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234 | $GNOME_PREFIX/share/gnome/help/gdm,
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235 | $GNOME_PREFIX/share/omf/gdm,
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236 | $GNOME_PREFIX/share/xsessions,
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237 | /var/lib/gdm and /var/log/gdm</seg>
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238 | </seglistitem>
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239 | </segmentedlist>
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240 |
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241 | <variablelist>
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242 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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243 | <?dbfo list-presentation="list"?>
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244 | <?dbhtml list-presentation="table"?>
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245 |
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246 | <varlistentry id="gdm-prog">
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247 | <term><command>gdm</command></term>
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248 | <listitem>
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249 | <para>is a wrapper script to execute the
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250 | <application>GDM</application> binary, the configurable
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251 | <application>GNOME</application> based login prompt.</para>
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252 | <indexterm zone="gdm gdm-prog">
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253 | <primary sortas="b-gdm">gdm</primary>
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254 | </indexterm>
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255 | </listitem>
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256 | </varlistentry>
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257 |
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258 | <varlistentry id="gdmchooser">
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259 | <term><command>gdmchooser</command></term>
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260 | <listitem>
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261 | <para>is an application for selecting XDMCP enabled hosts on
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262 | the local network.</para>
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263 | <indexterm zone="gdm gdmchooser">
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264 | <primary sortas="b-gdmchooser">gdmchooser</primary>
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265 | </indexterm>
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266 | </listitem>
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267 | </varlistentry>
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268 |
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269 | <varlistentry id="gdmsetup">
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270 | <term><command>gdmsetup</command></term>
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271 | <listitem>
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272 | <para>is a graphical interface to edit the
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273 | <filename>gdm.conf</filename> file.</para>
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274 | <indexterm zone="gdm gdmsetup">
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275 | <primary sortas="b-gdmsetup">gdmsetup</primary>
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276 | </indexterm>
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277 | </listitem>
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278 | </varlistentry>
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279 |
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280 | <varlistentry id="gdm-restart">
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281 | <term><command>gdm-restart</command></term>
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282 | <listitem>
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283 | <para>sends the HUP signal to the <application>GDM</application>
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284 | daemon so that it restarts. It's used after the config file
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285 | is edited</para>
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286 | <indexterm zone="gdm gdm-restart">
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287 | <primary sortas="b-gdm-restart">gdm-restart</primary>
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288 | </indexterm>
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289 | </listitem>
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290 | </varlistentry>
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291 |
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292 | <varlistentry id="gdm-safe-restart">
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293 | <term><command>gdm-safe-restart</command></term>
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294 | <listitem>
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295 | <para>sends the USR1 signal to the <application>GDM</application>
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296 | daemon so that it restarts. It's used after the config file
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297 | is edited.</para>
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298 | <indexterm zone="gdm gdm-safe-restart">
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299 | <primary sortas="b-gdm-safe-restart">gdm-safe-restart</primary>
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300 | </indexterm>
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301 | </listitem>
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302 | </varlistentry>
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303 |
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304 | <varlistentry id="gdmconfig">
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305 | <term><command>gdmconfig</command></term>
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306 | <listitem>
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307 | <para>is an application for managing the configuration of the
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308 | entire <application>GDM</application> applications suite. It
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309 | handles look and feel, security, XDMCP, GDMchooser and more.</para>
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310 | <indexterm zone="gdm gdmconfig">
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311 | <primary sortas="b-gdmconfig">gdmconfig</primary>
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312 | </indexterm>
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313 | </listitem>
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314 | </varlistentry>
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315 |
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316 | </variablelist>
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317 |
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318 | </sect2>
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319 |
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320 | </sect1>
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