man/systemd-sleep.conf.html

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  22   <a href="../libudev/index.html">gudev </a><span style="float:right">systemd 208</span><hr><div class="refentry"><a name="systemd-sleep.conf"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd-sleep.conf — Suspend and hibernation configuration file</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><p><code class="filename">/etc/systemd/sleep.conf</code></p></div><div class="refsect1"><a name="idm274681512960"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><span class="command"><strong>systemd</strong></span> supports three general
  23     power-saving modes:</p><div class="variablelist"><dl class="variablelist"><dt id="suspend"><span class="term">suspend</span><a class="headerlink" title="Permalink to this term" href="#suspend">¶</a></dt><dd><p>a low-power state
  24         where execution of the OS is paused,
  25         and complete power loss might result
  26         in lost data, and which is fast to
  27         enter and exit. This corresponds to
  28         suspend, standby, or freeze states as
  29         understood by the kernel.
  30         </p></dd><dt id="hibernate"><span class="term">hibernate</span><a class="headerlink" title="Permalink to this term" href="#hibernate">¶</a></dt><dd><p>a low-power state
  31         where execution of the OS is paused,
  32         and complete power loss does not
  33         result in lost data, and which might
  34         be slow to enter and exit. This
  35         corresponds to the hibernation as
  36         understood by the kernel.
  37         </p></dd><dt id="hybrid-sleep"><span class="term">hybrid-sleep</span><a class="headerlink" title="Permalink to this term" href="#hybrid-sleep">¶</a></dt><dd><p>a low-power state
  38         where execution of the OS is paused,
  39         which might be slow to enter, and on
  40         complete power loss does not result in
  41         lost data but might be slower to exit
  42         in that case. This mode is called
  43         suspend-to-both by the kernel.
  44         </p></dd></dl></div><p>Settings in this file determine what strings
  45     will be written to
  46     <code class="filename">/sys/power/disk</code> and
  47     <code class="filename">/sys/power/state</code> by
  48     <a href="systemd-sleep.html"><span class="citerefentry"><span class="refentrytitle">systemd-sleep</span>(8)</span></a>
  49     when
  50     <a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>
  51     attempts to suspend or hibernate the machine.</p></div><div class="refsect1"><a name="idm274681502624"></a><h2 id="Options">Options<a class="headerlink" title="Permalink to this headline" href="#Options">¶</a></h2><p>The following options can be configured in the
  52     "<code class="literal">[Sleep]</code>" section of
  53     <code class="filename">/etc/systemd/sleep.conf</code>:</p><div class="variablelist"><dl class="variablelist"><dt id="SuspendMode="><span class="term"><code class="varname">SuspendMode=</code>, </span><span class="term"><code class="varname">HibernateMode=</code>, </span><span class="term"><code class="varname">HybridSleepMode=</code></span><a class="headerlink" title="Permalink to this term" href="#SuspendMode=">¶</a></dt><dd><p>The string to be written to
  54         <code class="filename">/sys/power/disk</code> by,
  55         respectively,
  56         <a href="systemd-suspend.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-suspend.service</span>(8)</span></a>,
  57         <a href="systemd-hibernate.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-hibernate.service</span>(8)</span></a>, or
  58         <a href="systemd-hybrid-sleep.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-hybrid-sleep.service</span>(8)</span></a>.
  59         More than one value can be specified by seperating
  60         multiple values with commas. They will be tried
  61         in turn, until one is written without error. If
  62         neither suceeds, the operation will be aborted.
  63         </p></dd><dt id="SuspendState="><span class="term"><code class="varname">SuspendState=</code>, </span><span class="term"><code class="varname">HibernateState=</code>, </span><span class="term"><code class="varname">HybridSleepState=</code></span><a class="headerlink" title="Permalink to this term" href="#SuspendState=">¶</a></dt><dd><p>The string to be written to
  64         <code class="filename">/sys/power/state</code> by,
  65         respectively,
  66         <a href="systemd-suspend.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-suspend.service</span>(8)</span></a>,
  67         <a href="systemd-hibernate.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-hibernate.service</span>(8)</span></a>, or
  68         <a href="systemd-hybrid-sleep.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-hybrid-sleep.service</span>(8)</span></a>.
  69         More than one value can be specified by seperating
  70         multiple values with commas. They will be tried
  71         in turn, until one is written without error. If
  72         neither suceeds, the operation will be aborted.
  73         </p></dd></dl></div></div><div class="refsect1"><a name="idm274685437888"></a><h2 id="Example: freeze">Example: freeze<a class="headerlink" title="Permalink to this headline" href="#Example:%20freeze">¶</a></h2><p>Example: to exploit the <span class="quote">“<span class="quote">freeze</span>”</span> mode added
  74     in Linux 3.9, one can use <span class="command"><strong>systemctl suspend</strong></span>
  75     with
  76     </p><pre class="programlisting">
  77 [Sleep]
  78 SuspendState=freeze
  79     </pre></div><div class="refsect1"><a name="idm274685434944"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
  80       <a href="systemd-sleep.html"><span class="citerefentry"><span class="refentrytitle">systemd-sleep</span>(8)</span></a>,
  81       <a href="systemd-suspend.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-suspend.service</span>(8)</span></a>,
  82       <a href="systemd-hibernate.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-hibernate.service</span>(8)</span></a>,
  83       <a href="systemd-hybrid-sleep.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-hybrid-sleep.service</span>(8)</span></a>,
  84       <a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
  85       <a href="systemd.directives.html"><span class="citerefentry"><span class="refentrytitle">systemd.directives</span>(7)</span></a>
  86     </p></div></div></body></html>