/usr/share/help/gl/system-admin-guide/lockdown-command-line.page is in gnome-user-docs-gl 3.28.1-0ubuntu1.
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<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" type="topic" style="task" id="lockdown-command-line" xml:lang="gl">
<info>
<link type="guide" xref="software#management"/>
<revision pkgversion="3.12" date="2014-06-18" status="review"/>
<credit type="author copyright">
<name>Petr Kovar</name>
<email>pknbe@volny.cz</email>
<years>2014</years>
</credit>
<credit type="author copyright">
<name>Ekaterina Gerasimova</name>
<email>kittykat3756@gmail.com</email>
<years>2014</years>
</credit>
<include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>
<desc>Evita que os usuarios accedan á liña de ordes.</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>Desactivar o acceso á liña de ordes</title>
<p>You can prevent users from being able to access the command-line through
virtual terminals and terminal applications by following the steps described
below.</p>
<list>
<item>
<p>Prevent users from accessing the
<keyseq><key>Alt</key><key>F2</key></keyseq> command prompt.</p>
</item>
<item>
<p>Desactivar o cambio á terminal virtual (VT).</p>
</item>
<item>
<p>Remove <app>Terminal</app> and all other terminal applications from
the <gui>Activities</gui> overview in GNOME Shell. You will also need to
prevent the user from installing a new terminal application.</p>
</item>
</list>
<section id="command-prompt">
<title>Desacetiva a liña de ordes</title>
<steps>
<include xmlns="http://www.w3.org/2001/XInclude" href="dconf-snippets.xml" xpointer="xpointer(/*/*[@xml:id='dconf-profile-user'])"/>
<item>
<p>Create a <sys>local</sys> database for machine-wide settings in <file>/etc/dconf/db/local.d/00-lockdown</file>:</p>
<code># Especifica a ruta de dconf
[org/gnome/desktop/lockdown]
# Desactiva a liña de ordes
disable-command-line=true</code>
</item>
<item>
<p>Override the user’s setting and prevent the user from changing it in
<file>/etc/dconf/db/local.d/locks/lockdown</file>:</p>
<code># List the keys used to configure lockdown
/org/gnome/desktop/lockdown/disable-command-line</code>
</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>
</section>
<section id="virtual-terminal">
<title>Disable dropping to a virtual terminal</title>
<p>Users can normally use the
<keyseq><key>Ctrl</key><key>Alt</key><key><var>function
key</var></key></keyseq> shortcuts (for example,
<keyseq><key>Ctrl</key><key>Alt</key><key>F2</key></keyseq>) to switch from
the GNOME desktop to a virtual terminal.</p>
<p>If the computer is running the <em>X Window System</em>, you can disable
access to all virtual terminals by adding a <code>DontVTSwitch</code> option
to the <code>Serverflags</code> section in the
<file>/etc/X11/xorg.conf.d</file> file.</p>
<steps>
<item>
<p>Create or edit an X configuration file in
<file>/etc/X11/xorg.conf.d</file>:</p>
<code>Section "Serverflags"
Option "DontVTSwitch" "yes"
EndSection</code>
</item>
<item>
<p>Reinicie GDM para que os cambios se apliquen.</p>
</item>
</steps>
</section>
<!-- TODO: add section for removing applications from the Activities overview. -->
</page>
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