https://www.codrut.pro/tags/systemd/ Recent content in Systemd on Codrut Constantin Gusoi Hugo en Tue, 26 Oct 2021 16:02:29 +0000 https://www.codrut.pro/snippets/journalctl-cheatsheet/ Tue, 26 Oct 2021 16:02:29 +0000 https://www.codrut.pro/snippets/journalctl-cheatsheet/ <h2 id="history"> History <a class="heading-link" href="#history"> <i class="fa fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>View history:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span>journalctl -b </span></span></code></pre></div><p>Tail history:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span>journalctl -b -f </span></span></code></pre></div><h2 id="cleanup"> Cleanup <a class="heading-link" href="#cleanup"> <i class="fa fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span>sudo journalctl --vacuum-size<span style="color:#f92672">=</span>100M </span></span></code></pre></div> https://www.codrut.pro/snippets/enable-systemd-oomd/ Wed, 12 May 2021 18:55:30 +0000 https://www.codrut.pro/snippets/enable-systemd-oomd/ <h2 id="prerequisites"> Prerequisites <a class="heading-link" href="#prerequisites"> <i class="fa fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>Make sure you have <code>systemd</code> installed with at least version <code>248</code>:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span>pacman -Ss systemd | grep <span style="color:#e6db74">&#34;core/systemd &#34;</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#75715e"># core/systemd 248.2-1.1 [installed]</span> </span></span></code></pre></div><h2 id="setup"> Setup <a class="heading-link" href="#setup"> <i class="fa fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>Check if the service is active:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span>systemctl status systemd-oomd.service </span></span></code></pre></div><p>Enable and start it with:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span>sudo systemctl enable systemd-oomd.service </span></span><span style="display:flex;"><span>sudo systemctl start systemd-oomd.service </span></span></code></pre></div><h2 id="trial"> Trial <a class="heading-link" href="#trial"> <i class="fa fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>Check it&rsquo;s working properly by starting htop in a terminal window:</p>