77 lines
4.0 KiB
XML
77 lines
4.0 KiB
XML
<?xml version="1.0"?>
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<page xmlns="http://projectmallard.org/1.0/" type="topic" id="software-installation">
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<info>
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<link type="guide" xref="index#controls"/>
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<include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
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<desc>Restricting the software a child user can install, or preventing them installing additional software entirely.</desc>
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</info>
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<title>Restricting Software Installation</title>
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<p>You can prevent a user from installing additional software, either for the
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entire system, or just for themselves. They will still be able to search for
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new software to install, but will need an administrator to authorize the
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installation when they try to install an application.</p>
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<p>Additionally, you can restrict which software a user can browse or search
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for in the <app>Software</app> catalog by age categories.</p>
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<p>To prevent a user from running an application which has already been
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installed, see <link xref="restricting-applications"/>.</p>
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<section id="installation">
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<title>Preventing Software Installation</title>
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<p>To prevent a user from installing additional software:</p>
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<steps>
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<item><p>Open the <app>Parental Controls</app> application.</p></item>
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<item><p>Select the user in the tabs at the top.</p></item>
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<item><p>Enable the <gui style="checkbox">Restrict Application Installation</gui> checkbox.</p></item>
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<item><p>Or enable the <gui style="checkbox">Restrict Application Installation for Others</gui> checkbox.</p></item>
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</steps>
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<p>The <gui style="checkbox">Restrict Application Installation for Others</gui>
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checkbox allows the user to install additional software for themselves, but
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prevents that software from being made available to other users. It could be
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used, for example, if there were two child users, one of whom is mature
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enough to be allowed to install additional software, but the other isn’t —
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enabling <gui style="checkbox">Restrict Application Installation for Others</gui>
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would prevent the more mature child from installing applications which are
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inappropriate for the other child and making them available to the other
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child.</p>
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</section>
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<section id="oars">
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<title>Restricting Software Installation by Age</title>
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<p>Applications in the <app>Software</app> catalog have information about
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content they contain which might be inappropriate for some ages — for
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example, various forms of violence, unmoderated chat with other people on
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the internet, or the possibility of spending money.</p>
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<p>For each application, this information is summarized as the minimum age
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child it is typically suitable to be used by — for example, “suitable for
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ages 7+”. These age ratings are presented in region-specific schemes which
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can be compared with the ratings schemes used for films and games.</p>
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<p>The applications shown to a user in the <app>Software</app> catalog can
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be filtered by their age suitability. Applications which are not suitable
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for the user will be hidden, and will not be installable by that user.
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They will be installable by other users (if their age suitability is set
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high enough).</p>
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<p>To filter the applications seen by a user in the <app>Software</app>
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catalog to only those suitable for a certain age:</p>
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<steps>
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<item><p>Open the <app>Parental Controls</app> application.</p></item>
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<item><p>Select the user in the tabs at the top.</p></item>
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<item><p>In the <gui>Application Suitability</gui> list, select the age which applications should be suitable for.</p></item>
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</steps>
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<note style="important">
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<p>The user’s actual age is not stored, so the <gui>Application Suitability</gui>
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is not automatically updated over time as the child grows older. You
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must periodically re-assess the appropriate <gui>Application Suitability</gui>
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for each user.</p>
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</note>
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</section>
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</page>
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