1 | <?xml version="1.0" encoding="UTF-8"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY gnome-session-download-http
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8 | "&gnome-download-http;/gnome-session/&gnome-46;/gnome-session-&gnome-session-version;.tar.xz">
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9 | <!ENTITY gnome-session-download-ftp " ">
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10 | <!ENTITY gnome-session-md5sum "f68f71cb53d650916f9ef9cb6076f643">
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11 | <!ENTITY gnome-session-size "476 KB">
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12 | <!ENTITY gnome-session-buildsize "14 MB">
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13 | <!ENTITY gnome-session-time "0.2 SBU">
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14 | ]>
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15 |
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16 | <sect1 id="gnome-session" xreflabel="gnome-session-&gnome-session-version;">
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17 | <?dbhtml filename="gnome-session.html"?>
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18 |
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19 |
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20 | <title>gnome-session-&gnome-session-version;</title>
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21 |
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22 | <indexterm zone="gnome-session">
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23 | <primary sortas="a-gnome-session">gnome-session</primary>
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24 | </indexterm>
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25 |
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26 | <sect2 role="package">
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27 | <title>Introduction to GNOME Session</title>
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28 |
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29 | <para>
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30 | The <application>GNOME Session</application> package contains
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31 | the <application>GNOME</application> session manager.
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32 | </para>
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33 |
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34 | &lfs122_checked;
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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>
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40 | Download (HTTP): <ulink url="&gnome-session-download-http;"/>
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41 | </para>
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42 | </listitem>
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43 | <listitem>
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44 | <para>
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45 | Download (FTP): <ulink url="&gnome-session-download-ftp;"/>
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46 | </para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>
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50 | Download MD5 sum: &gnome-session-md5sum;
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51 | </para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>
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55 | Download size: &gnome-session-size;
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56 | </para>
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57 | </listitem>
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58 | <listitem>
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59 | <para>
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60 | Estimated disk space required: &gnome-session-buildsize;
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61 | </para>
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62 | </listitem>
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63 | <listitem>
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64 | <para>
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65 | Estimated build time: &gnome-session-time;
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66 | </para>
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67 | </listitem>
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68 | </itemizedlist>
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69 |
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70 | <bridgehead renderas="sect3">GNOME Session Dependencies</bridgehead>
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71 |
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72 | <bridgehead renderas="sect4">Required</bridgehead>
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73 | <para role="required">
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74 | <phrase revision="sysv"><xref linkend="elogind"/>,</phrase>
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75 | <xref linkend="gnome-desktop"/>,
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76 | <xref linkend="json-glib"/>,
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77 | <xref linkend="mesa"/>,
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78 | <phrase revision="systemd"><xref role="runtime" linkend="systemd"/>
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79 | (runtime),</phrase>
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80 | and <xref linkend="upower"/>
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81 | </para>
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82 |
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83 | <bridgehead renderas="sect4">Optional</bridgehead>
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84 | <para role="optional">
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85 | <xref linkend="xmlto"/>, and
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86 | <xref linkend="libxslt"/> with
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87 | <xref linkend="DocBook"/> and
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88 | <xref linkend="docbook-xsl"/> (to build the documentation)
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89 | </para>
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90 |
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91 | </sect2>
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92 |
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93 | <sect2 role="installation">
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94 | <title>Installation of GNOME Session</title>
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95 |
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96 | <para>
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97 | When running GNOME under <xref linkend="wayland"/>, environment settings
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98 | are not imported for the user using the system profile. The Wayland
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99 | developers are currently undecided on a standard method to provide system
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100 | environment settings for user sessions. To work around this limitation,
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101 | execute the following command to make
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102 | <command>gnome-session</command> use a login shell:
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103 | </para>
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104 |
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105 | <screen><userinput>sed 's@/bin/sh@/bin/sh -l@' -i gnome-session/gnome-session.in</userinput></screen>
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106 |
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107 | <!--
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108 | <para revision="sysv">
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109 | Adapt meson.build so that gnome-session can build without systemd:
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110 | </para>
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111 |
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112 | <screen revision="sysv"><userinput remap="pre">sed -i "/ systemd_dep/,+3d;/if enable_systemd/a \ systemd_userunitdir = '/tmp\'" meson.build</userinput></screen>
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113 | -->
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114 | <para>
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115 | Install <application>GNOME Session</application> by
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116 | running the following commands:
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117 | </para>
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118 |
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119 | <screen revision="sysv"><userinput>mkdir build &&
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120 | cd build &&
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121 |
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122 | meson setup --prefix=/usr \
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123 | --buildtype=release \
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124 | -D systemduserunitdir=/tmp \
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125 | .. &&
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126 | ninja</userinput></screen>
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127 |
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128 | <screen revision="systemd"><userinput>mkdir build &&
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129 | cd build &&
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130 |
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131 | meson setup --prefix=/usr --buildtype=release .. &&
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132 | ninja</userinput></screen>
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133 |
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134 | <para>
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135 | This package does not come with a test suite.
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136 | </para>
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137 |
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138 | <para>
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139 | Now, as the <systemitem class="username">root</systemitem> user:
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140 | </para>
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141 |
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142 | <screen role="root"><userinput>ninja install</userinput></screen>
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143 | <!-- For some reason, there are I/O errors with the DTD @ freedesktop
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144 | that causes error messages to flood stdin. -->
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145 |
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146 | <para>
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147 | Move the documentation to a versioned directory:
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148 | </para>
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149 |
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150 | <screen role="root"><userinput>mv -v /usr/share/doc/gnome-session{,-&gnome-session-version;}</userinput></screen>
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151 |
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152 |
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153 | <para>
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154 | This package creates two Xorg based <filename>.desktop</filename> files
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155 | in the <filename class="directory">/usr/share/xsessions/</filename>
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156 | directory, and two Wayland based <filename>.desktop</filename> files in
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157 | the <filename class="directory">/usr/share/wayland-sessions/</filename>
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158 | directory. Only one is needed in each directory on a BLFS system, so
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159 | prevent the extra files showing up as options in a display manager. As
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160 | the &root; user:
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161 | </para>
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162 |
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163 | <screen role="root"><userinput>rm -v /usr/share/xsessions/gnome.desktop &&
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164 | rm -v /usr/share/wayland-sessions/gnome.desktop</userinput></screen>
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165 |
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166 | <para revision="sysv">
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167 | Now, as the <systemitem class="username">root</systemitem> user,
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168 | remove systemd units that are useless on SysV systems:
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169 | </para>
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170 |
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171 | <screen role="root" revision="sysv"><userinput>rm -rv /tmp/{*.d,*.target,*.service}</userinput></screen>
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172 |
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173 | <!-- this part is not needed on systemd, since the dbus session is created
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174 | by systemd-user.-->
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175 | <para revision="sysv">
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176 | The startup sequence of gnome-wayland needs to create a dbus session.
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177 | On SysV, this has to be added to the shipped
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178 | <filename>gnome-wayland.desktop</filename> file, which is written for
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179 | systemd. As the &root; user:
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180 | </para>
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181 |
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182 | <screen role="root" revision="sysv"><userinput>sed -e 's@^Exec=@&/usr/bin/dbus-run-session @' \
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183 | -i /usr/share/wayland-sessions/gnome-wayland.desktop</userinput></screen>
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184 |
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185 | </sect2>
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186 |
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187 | <sect2 role="commands">
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188 | <title>Command Explanations</title>
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189 |
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190 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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191 | href="../../xincludes/meson-buildtype-release.xml"/>
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192 |
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193 | <!-- This option was removed in 46
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194 | <para revision="sysv">
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195 | <parameter>-D systemd_journal=false</parameter>
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196 | and <parameter>-D systemduserunitdir=/tmp</parameter>: Allow building
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197 | with elogind support on a SysV based system.
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198 | </para>
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199 | -->
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200 |
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201 | </sect2>
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202 |
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203 | <sect2 role="starting">
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204 | <title>Starting GNOME</title>
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205 |
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206 | <para>
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207 | The easiest way to start GNOME is to use a display manager.
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208 | <xref linkend="gdm"/> is the recommended display manager.
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209 | </para>
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210 |
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211 | <para>
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212 | It is also possible to start <application>GNOME</application> from the
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213 | command line. However, you must still have <xref linkend="gdm"/> installed
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214 | for some portions of the desktop to work. One reason to start from the
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215 | command line is if you want Wayland support on a system that has the
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216 | proprietary NVIDIA driver installed, since GDM will not show the Wayland
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217 | session type on such a system.
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218 | </para>
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219 |
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220 | <para>
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221 | To start <application>GNOME</application> using
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222 | <xref role="nodep" linkend="xinit"/>, run the following commands:
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223 | </para>
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224 |
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225 | <screen role="nodump"><userinput>cat > ~/.xinitrc << "EOF"
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226 | <literal>dbus-run-session gnome-session</literal>
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227 | EOF
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228 |
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229 | startx</userinput></screen>
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230 |
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231 | <para>
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232 | Alternatively, to start <application>GNOME</application> with Wayland
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233 | support, run the following command:
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234 | </para>
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235 |
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236 | <screen role="nodump"><userinput>XDG_SESSION_TYPE=wayland dbus-run-session gnome-session</userinput></screen>
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237 |
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238 | </sect2>
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239 |
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240 | <sect2 role="content">
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241 | <title>Contents</title>
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242 |
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243 | <segmentedlist>
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244 | <segtitle>Installed Programs</segtitle>
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245 | <segtitle>Installed Libraries</segtitle>
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246 | <segtitle>Installed Directories</segtitle>
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247 |
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248 | <seglistitem>
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249 | <seg>
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250 | gnome-session, gnome-session-inhibit, and gnome-session-quit
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251 | </seg>
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252 | <seg>
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253 | None
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254 | </seg>
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255 | <seg>
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256 | /usr/share/doc/gnome-session-&gnome-session-version; and
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257 | /usr/share/gnome-session
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258 | </seg>
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259 | </seglistitem>
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260 | </segmentedlist>
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261 |
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262 | <variablelist>
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263 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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264 | <?dbfo list-presentation="list"?>
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265 | <?dbhtml list-presentation="table"?>
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266 |
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267 | <varlistentry id="gnome-session-prog">
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268 | <term><command>gnome-session</command></term>
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269 | <listitem>
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270 | <para>
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271 | is used to start up the <application>GNOME</application>
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272 | Desktop environment
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273 | </para>
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274 | <indexterm zone="gnome-session gnome-session-prog">
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275 | <primary sortas="b-gnome-session">gnome-session</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="gnome-session-inhibit">
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281 | <term><command>gnome-session-inhibit</command></term>
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282 | <listitem>
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283 | <para>
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284 | is used to inhibit certain <application>GNOME</application>
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285 | Session functionality while executing the given command
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286 | </para>
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287 | <indexterm zone="gnome-session gnome-session-inhibit">
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288 | <primary sortas="b-gnome-session-inhibit">gnome-session-inhibit</primary>
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289 | </indexterm>
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290 | </listitem>
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291 | </varlistentry>
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292 |
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293 | <varlistentry id="gnome-session-quit">
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294 | <term><command>gnome-session-quit</command></term>
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295 | <listitem>
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296 | <para>
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297 | is used to end the <application>GNOME</application> Session
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298 | </para>
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299 | <indexterm zone="gnome-session gnome-session-quit">
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300 | <primary sortas="b-gnome-session-quit">gnome-session-quit</primary>
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301 | </indexterm>
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302 | </listitem>
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303 | </varlistentry>
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304 |
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305 | </variablelist>
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306 |
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307 | </sect2>
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308 |
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309 | </sect1>
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