systemd/man/bootctl.html
2015-02-17 11:22:16 +01:00

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<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 219</span><hr><div class="refentry"><a name="bootctl"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>bootctl — Control the firmware and boot manager settings</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">bootctl</code> [OPTIONS...] {COMMAND}</p></div></div><div class="refsect1"><a name="idm140378023982448"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description"></a></h2><p><span class="command"><strong>bootctl</strong></span> may be used to query or (in the
future) change the firmware and boot manager settings.</p><p>Firmware information is available only on EFI systems.
</p><p>Currently, only the
<span class="citerefentry"><span class="refentrytitle">gummiboot</span>(8)</span>
boot manager implements the required boot loader interface to
provide complete boot manager information.</p></div><div class="refsect1"><a name="idm140378025972432"></a><h2 id="Options">Options<a class="headerlink" title="Permalink to this headline" href="#Options"></a></h2><p>The following options are understood:</p><div class="variablelist"><dl class="variablelist"><dt id="-h"><span class="term"><code class="option">-h</code>, </span><span class="term"><code class="option">--help</code></span><a class="headerlink" title="Permalink to this term" href="#-h"></a></dt><dd><p><a name="help-text"></a>Print a short help text and exit.
</p></dd><dt id="--version"><span class="term"><code class="option">--version</code></span><a class="headerlink" title="Permalink to this term" href="#--version"></a></dt><dd><p><a name="version-text"></a>Print a short version string and exit.</p></dd></dl></div><p>The following commands are understood:</p><div class="variablelist"><dl class="variablelist"><dt id="status"><span class="term"><span class="command"><strong>status</strong></span></span><a class="headerlink" title="Permalink to this term" href="#status"></a></dt><dd><p>Show firmware and boot manager information
about the system, including secure boot mode status and
selected firmware entry (where available).</p></dd></dl></div></div><div class="refsect1"><a name="idm140378024984608"></a><h2 id="Exit status">Exit status<a class="headerlink" title="Permalink to this headline" href="#Exit%20status"></a></h2><p>On success, 0 is returned, a non-zero failure code
otherwise.</p></div><div class="refsect1"><a name="idm140378024532128"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also"></a></h2><p>
<a class="ulink" href="http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface" target="_top">Boot loader interface</a>,
<a class="ulink" href="http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec" target="_top">Boot loader specification</a>,
<a class="ulink" href="http://www.freedesktop.org/wiki/Software/gummiboot/" target="_top">gummiboot</a>
</p></div></div></body></html>