https://www.vermessungsprogramme.de/tags/systemctl/ Recent content in Systemctl on Manual Hugo -- gohugo.io de-DE test@test.com (mab) test@test.com (mab) Wed, 19 Aug 2026 09:12:11 +0200 https://www.vermessungsprogramme.de/edv/system/systemd/ Wed, 19 Aug 2026 09:12:11 +0200 test@test.com (mab) https://www.vermessungsprogramme.de/edv/system/systemd/ <h2 id="einen-dienst-erstellen">Einen Dienst erstellen <a href="#top"> <abbr style="text-decoration: none" title="Top">&boxbox;</abbr> </a></h2> <p>Als Beispiel kann mit <code>systemd</code> ein Dienst erstellt werden, der beim Systemstart automatisch die gewünschte CPU-Frequenz festlegt. Dadurch wird sichergestellt, dass die entsprechende Einstellung bei jedem Neustart des Systems angewendet wird. Das Programm <code>cpupower</code> setzt die Frequenz für alle CPUs. Dazu wird eine Datei mit folgendem Inhalt erstellt.</p> <div class="codestyle"> <div class="codestyle_title"> Datei: /etc/systemd/system/my.cpufreq.service </div> <div id="code.a26d788eb0"> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-MCFunction" data-lang="MCFunction"><span class="line"><span class="cl"><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="p">[</span><span class="na">Unit</span><span class="p">]</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="kc">Description</span><span class="o">=</span><span class="kc">Set</span><span class="w"> </span><span class="kc">maximum</span><span class="w"> </span><span class="kc">CPU</span><span class="w"> </span><span class="kc">frequency</span><span class="w"> </span><span class="kc">to</span><span class="w"> </span><span class="mf">1.6</span><span class="w"> </span><span class="kc">GHz</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="kc">After</span><span class="o">=</span><span class="kc">multi</span><span class="o">-</span><span class="kc">user.target</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="p">[</span><span class="na">Service</span><span class="p">]</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="kc">Type</span><span class="o">=</span><span class="kc">oneshot</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="kc">ExecStart</span><span class="o">=/</span><span class="nf">usr/bin/cpupower</span><span class="w"> </span><span class="kc">frequency</span><span class="o">-</span><span class="kc">set</span><span class="w"> </span><span class="o">-</span><span class="vc">u</span><span class="w"> </span><span class="mf">1</span><span class="o">.</span><span class="err">6</span><span class="kc">GHz</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="kc">RemainAfterExit</span><span class="o">=</span><span class="kc">yes</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="p">[</span><span class="na">Install</span><span class="p">]</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="kc">WantedBy</span><span class="o">=</span><span class="kc">multi</span><span class="o">-</span><span class="kc">user.target</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span></span></span></code></pre></div></div> </div> <p>Aktiviere den Dienst mit:</p>