https://blog.serviciosrogeliowar.com/fr/tags/node-exporter/Recent content in Node-Exporter on Servicios RogeliowarHugo -- gohugo.iofr© 2026 Rogelio Guerra RiverónThu, 30 Apr 2026 00:00:00 +0000https://blog.serviciosrogeliowar.com/fr/posts/monitoring-prometheus-grafana-loki/Thu, 30 Apr 2026 00:00:00 +0000https://blog.serviciosrogeliowar.com/fr/posts/monitoring-prometheus-grafana-loki/<p>Un serveur sans surveillance est un serveur aveugle. Vous ne savez pas quand le disque se remplit, quel conteneur consomme trop de RAM, ou combien de requêtes 404 votre site génère. Cet article documente comment j&rsquo;ai configuré la pile complète : <a href="https://prometheus.io/" target="_blank" rel="noreferrer">Prometheus</a> + <a href="https://github.com/prometheus/node_exporter" target="_blank" rel="noreferrer">Node Exporter</a> + <a href="https://grafana.com/" target="_blank" rel="noreferrer">Grafana</a> + <a href="https://grafana.com/oss/loki/" target="_blank" rel="noreferrer">Loki</a> + <a href="https://grafana.com/docs/loki/latest/send-data/promtail/" target="_blank" rel="noreferrer">Promtail</a>.</p> <h2 class="relative group">L&rsquo;architecture <div id="larchitecture" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#larchitecture" aria-label="Ancre">#</a> </span> </h2> <div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-text" data-lang="text"><span style="display:flex;"><span>[Servidor doméstico] </span></span><span style="display:flex;"><span> ├── node-exporter → métricas del sistema (CPU, RAM, disco, red) </span></span><span style="display:flex;"><span> ├── docker-stats- → métricas de contenedores (textfile collector) </span></span><span style="display:flex;"><span> │ collector </span></span><span style="display:flex;"><span> ├── prometheus → recolecta y almacena métricas </span></span><span style="display:flex;"><span> ├── loki → agrega y almacena logs </span></span><span style="display:flex;"><span> ├── promtail → envía logs de Nginx y syslog a Loki </span></span><span style="display:flex;"><span> └── grafana → dashboards de todo lo anterior</span></span></code></pre></div></div> <p>Tous les services tournent sur Docker, coordonnés par le même <code>docker-compose.yml</code>.</p>