systemd/man/systemd-getty-generator.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="systemd-getty-generator"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd-getty-generator — Generator for enabling getty instances on the
console</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><p><code class="filename">/usr/lib/systemd/system-generators/systemd-getty-generator</code></p></div><div class="refsect1"><a name="idm140594576934560"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description"></a></h2><p><code class="filename">systemd-getty-generator</code> is a generator
that automatically instantiates
<code class="filename">serial-getty@.service</code> on the kernel console
<code class="filename">/dev/console</code> if that is not directed to the
virtual console subsystem. It will also instantiate
<code class="filename">serial-getty@.service</code> instances for
virtualizer consoles, if execution in a virtualized environment is
detected. Finally, it will instantiate
<code class="filename">container-getty@.service</code> instances for
additional container pseudo TTYs as requested by the container
manager (see <a class="ulink" href="http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface/" target="_top"><code class="filename">Container
Interface</code></a>). This should ensure that the user is
shown a login prompt at the right place, regardless of which
environment the system is started in. For example, it is
sufficient to redirect the kernel console with a kernel command
line argument such as <code class="varname">console=</code> to get both
kernel messages and a getty prompt on a serial TTY. See <a class="ulink" href="https://www.kernel.org/doc/Documentation/kernel-parameters.txt" target="_top"><code class="filename">kernel-parameters.txt</code></a>
for more information on the <code class="varname">console=</code> kernel
parameter.</p><p><code class="filename">systemd-getty-generator</code> implements the
<a class="ulink" href="http://www.freedesktop.org/wiki/Software/systemd/Generators" target="_top">generator
specification</a>.</p><p>Further information about configuration of gettys you may
find in
<a class="ulink" href="http://0pointer.de/blog/projects/serial-console.html" target="_top">systemd
for Administrators, Part XVI: Gettys on Serial Consoles (and
Elsewhere)</a>.</p></div><div class="refsect1"><a name="idm140594576923744"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also"></a></h2><p>
<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
<a href="http://man7.org/linux/man-pages/man8/agetty.8.html"><span class="citerefentry"><span class="refentrytitle">agetty</span>(8)</span></a>
</p></div></div></body></html>