man/systemd-coredumpctl.html

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  22   <a href="../libudev/index.html">gudev </a><span style="float:right">systemd 214</span><hr><div class="refentry"><a name="systemd-coredumpctl"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd-coredumpctl — Retrieve coredumps from the journal</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">systemd-coredumpctl</code>  [OPTIONS...] {COMMAND} [PID|COMM|EXE|MATCH...]</p></div></div><div class="refsect1"><a name="idm214170585728"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><span class="command"><strong>systemd-coredumpctl</strong></span> may be used to
  23                 retrieve coredumps from
  24                 <a href="systemd-journald.html"><span class="citerefentry"><span class="refentrytitle">systemd-journald</span>(8)</span></a>.</p></div><div class="refsect1"><a name="idm214170583184"></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="-F"><span class="term"><code class="option">-F</code>, </span><span class="term"><code class="option">--field=</code></span><a class="headerlink" title="Permalink to this term" href="#-F">¶</a></dt><dd><p>Print all possible
  25                                 data values the specified field
  26                                 takes in matching coredump entries of the
  27                                 journal.</p></dd><dt id="-o"><span class="term"><code class="option">-o</code>, </span><span class="term"><code class="option">--output=FILE</code></span><a class="headerlink" title="Permalink to this term" href="#-o">¶</a></dt><dd><p>Write the core to
  28                                 <code class="option">FILE</code>.</p></dd><dt id="--no-legend"><span class="term"><code class="option">--no-legend</code></span><a class="headerlink" title="Permalink to this term" href="#--no-legend">¶</a></dt><dd><p>Do not print the column headers.
  29                                 </p></dd><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.
  30     </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><dt id="--no-pager"><span class="term"><code class="option">--no-pager</code></span><a class="headerlink" title="Permalink to this term" href="#--no-pager">¶</a></dt><dd><p>Do not pipe output into a pager.</p></dd></dl></div><p>The following commands are understood:</p><div class="variablelist"><dl class="variablelist"><dt id="list"><span class="term"><span class="command"><strong>list</strong></span></span><a class="headerlink" title="Permalink to this term" href="#list">¶</a></dt><dd><p>List coredumps captured in the journal
  31                                 matching specified characteristics.</p></dd><dt id="dump"><span class="term"><span class="command"><strong>dump</strong></span></span><a class="headerlink" title="Permalink to this term" href="#dump">¶</a></dt><dd><p>Extract the last coredump
  32                                 matching specified characteristics.
  33                                 The coredump will be written on standard output,
  34                                 unless an output file is specified with
  35                                 <code class="option">-o/--output</code>.
  36                                 </p></dd><dt id="gdb"><span class="term"><span class="command"><strong>gdb</strong></span></span><a class="headerlink" title="Permalink to this term" href="#gdb">¶</a></dt><dd><p>Invoke the GNU
  37                                 debugger on the last coredump matching
  38                                 specified characteristics.
  39                                 </p></dd></dl></div></div><div class="refsect1"><a name="idm214170684464"></a><h2 id="Matching">Matching<a class="headerlink" title="Permalink to this headline" href="#Matching">¶</a></h2><p>Match can be:</p><div class="variablelist"><dl class="variablelist"><dt id="PID"><span class="term"><em class="replaceable"><code>PID</code></em></span><a class="headerlink" title="Permalink to this term" href="#PID">¶</a></dt><dd><p>Process ID of the
  40                                 process that dumped
  41                                 core. An integer.</p></dd><dt id="COMM"><span class="term"><em class="replaceable"><code>COMM</code></em></span><a class="headerlink" title="Permalink to this term" href="#COMM">¶</a></dt><dd><p>Name of the executable
  42                                 (matches <code class="option">COREDUMP_COMM=</code>).
  43                                 Must not contain slashes.
  44                                 </p></dd><dt id="EXE"><span class="term"><em class="replaceable"><code>EXE</code></em></span><a class="headerlink" title="Permalink to this term" href="#EXE">¶</a></dt><dd><p>Path to the executable
  45                                 (matches <code class="option">COREDUMP_EXE=</code>).
  46                                 Must contain at least one slash.
  47                                 </p></dd><dt id="MATCH"><span class="term"><em class="replaceable"><code>MATCH</code></em></span><a class="headerlink" title="Permalink to this term" href="#MATCH">¶</a></dt><dd><p>General journalctl predicates
  48                                 (see <a href="journalctl.html"><span class="citerefentry"><span class="refentrytitle">journalctl</span>(1)</span></a>).
  49                                 Must contain an equals sign.
  50                                 </p></dd></dl></div></div><div class="refsect1"><a name="idm214170675024"></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; otherwise, a non-zero failure
  51                 code is returned. Not finding any matching coredumps is treated
  52                 as failure.
  53                 </p></div><div class="refsect1"><a name="idm214170673648"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
  54                         <a href="systemd-journald.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-journald.service</span>(8)</span></a>,
  55                         <a href="gdb.html"><span class="citerefentry"><span class="refentrytitle">gdb</span>(1)</span></a>
  56                 </p></div></div></body></html>