/usr/share/help/gl/system-admin-guide/desktop-background.page is in gnome-user-docs-gl 3.28.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | <?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" type="topic" style="task" id="desktop-background" xml:lang="gl">
<info>
<link type="guide" xref="appearance"/>
<revision pkgversion="3.11" date="2014-01-29" status="draft"/>
<revision pkgversion="3.14" date="2014-06-17" status="incomplete">
<desc>All prose and instructions are up to par. Extra info needs
to be provided on picture options, per comment below. --shaunm</desc>
</revision>
<credit type="author copyright">
<name>Matthias Clasen</name>
<email>matthias.clasen@gmail.com</email>
<years>2012</years>
</credit>
<credit type="editor">
<name>Jana Svarova</name>
<email>jana.svarova@gmail.com</email>
<years>2013</years>
</credit>
<credit type="editor">
<name>Petr Kovar</name>
<email>pknbe@volny.cz</email>
<years>2014</years>
</credit>
<credit type="editor">
<name>David King</name>
<email>davidk@gnome.org</email>
<years>2014</years>
</credit>
<credit type="editor">
<name>Ekaterina Gerasimova</name>
<email>kittykat3756@gmail.com</email>
<years>2014</years>
</credit>
<desc>Change the default desktop background for all users.</desc>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>Fran Diéguez</mal:name>
<mal:email>frandieguez@gnome.org</mal:email>
<mal:years>2010-2018</mal:years>
</mal:credit>
</info>
<title>Set custom background</title>
<p>You can change the default desktop background to one that you want to use.
For example, you may want to use a background with your company or university
logo instead of the default GNOME background.</p>
<steps>
<title>Estabelecer o fondo de escritorio por omisión</title>
<include xmlns="http://www.w3.org/2001/XInclude" href="dconf-snippets.xml" xpointer="xpointer(/*/*[@xml:id='dconf-profile-user'])"/>
<include xmlns="http://www.w3.org/2001/XInclude" href="dconf-snippets.xml" xpointer="xpointer(/*/*[@xml:id='dconf-profile-user-dir'])"/>
<item>
<p>Crear o ficheiro de chaves <file>/etc/dconf/db/local.d/00-background</file> para fornecer a información para a base de datos <sys>local</sys>.</p>
<listing>
<title><file>/etc/dconf/db/local.d/00-background</file></title>
<code>
# Specify the dconf path
[org/gnome/desktop/background]
# Specify the path to the desktop background image file
picture-uri='file:///usr/local/share/backgrounds/wallpaper.jpg'
# Specify one of the rendering options for the background image:
picture-options='scaled'
# Specify the left or top color when drawing gradients, or the solid color
primary-color='000000'
# Specify the right or bottom color when drawing gradients
secondary-color='FFFFFF'
</code>
</listing>
</item>
<item>
<p>To prevent the user from overriding these settings, create the file
<file>/etc/dconf/db/local.d/locks/background</file> with the following
content:</p>
<listing>
<title><file>/etc/dconf/db/local.d/locks/background</file></title>
<code>
# Bloquear as preferencias do fondo de escritorio
/org/gnome/desktop/background/picture-uri
/org/gnome/desktop/background/picture-options
/org/gnome/desktop/background/primary-color
/org/gnome/desktop/background/secondary-color
</code>
</listing>
</item>
<include xmlns="http://www.w3.org/2001/XInclude" href="dconf-snippets.xml" xpointer="xpointer(/*/*[@xml:id='dconf-update'])"/>
<include xmlns="http://www.w3.org/2001/XInclude" href="dconf-snippets.xml" xpointer="xpointer(/*/*[@xml:id='dconf-logoutin'])"/>
</steps>
</page>
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