文件操作 - desktop-lockscreen.page
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文件: /usr/share/help/C/system-admin-guide/desktop-lockscreen.page
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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="desktop-lockscreen"> <info> <link type="guide" xref="appearance" /> <link type="seealso" xref="dconf-profiles" /> <link type="seealso" xref="dconf-lockdown" /> <revision pkgversion="3.8" date="2013-08-08" status="review"/> <revision pkgversion="3.14" date="2014-06-18" status="final"/> <credit type="author copyright"> <name>Jana Svarova</name> <email>jana.svarova@gmail.com</email> <years>2013</years> </credit> <credit type="editor"> <name>Shaun McCance</name> <email>shaunm@gnome.org</email> <years>2014</years> </credit> <desc>Make the screen automatically lock so the user must enter a password after being idle.</desc> </info> <title>Lock the screen when user is idle</title> <p>You can make the screen lock automatically whenever a user is idle for some amount of time. This is useful if your users may leave their computers unattended in public or unsecure locations.</p> <steps> <title>Enable automatic screen lock</title> <include href="dconf-snippets.xml" xpointer="xpointer(/*/*[@xml:id='dconf-profile-user'])" xmlns="http://www.w3.org/2001/XInclude"/> <include href="dconf-snippets.xml" xpointer="xpointer(/*/*[@xml:id='dconf-profile-user-dir'])" xmlns="http://www.w3.org/2001/XInclude"/> <item> <p>Create the key file <file>/etc/dconf/db/local.d/00-screensaver</file> to provide information for the <sys>local</sys> database.</p> <listing> <title><file>/etc/dconf/db/local.d/00-screensaver</file></title> <code> # Specify the dconf path [org/gnome/desktop/session] # Number of seconds of inactivity before the screen goes blank idle-delay=uint32 180 # Specify the dconf path [org/gnome/desktop/screensaver] # Lock the screen after the screen is blank lock-enabled=true # Number of seconds after the screen is blank before locking the screen lock-delay=uint32 0 </code> </listing> <p>You must include the <code>uint32</code> along with the integer key values as shown.</p> </item> <item> <p>To prevent the user from overriding these settings, create the file <file>/etc/dconf/db/local.d/locks/screensaver</file> with the following content:</p> <listing> <title><file>/etc/dconf/db/local.db/locks/screensaver</file></title> <code> # Lock desktop screensaver settings /org/gnome/desktop/session/idle-delay /org/gnome/desktop/screensaver/lock-enabled /org/gnome/desktop/screensaver/lock-delay </code> </listing> </item> <include href="dconf-snippets.xml" xpointer="xpointer(/*/*[@xml:id='dconf-update'])" xmlns="http://www.w3.org/2001/XInclude"/> <include href="dconf-snippets.xml" xpointer="xpointer(/*/*[@xml:id='dconf-logoutin'])" xmlns="http://www.w3.org/2001/XInclude"/> </steps> </page>
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