https://jose.castrillo.eu/tags/prometheus/ Recent content in Prometheus on Jose Castrillo Hugo -- gohugo.io en Sat, 28 Feb 2026 00:00:00 +0000 https://jose.castrillo.eu/page/py/ Sat, 28 Feb 2026 00:00:00 +0000 https://jose.castrillo.eu/page/py/ Senior DevOps Engineer - Projects &amp; Professional Journey https://jose.castrillo.eu/post/prometheus-troubleshooting/ Mon, 22 Feb 2021 00:00:00 +0000 https://jose.castrillo.eu/post/prometheus-troubleshooting/ <p>I will share a little workaround in order to re-establish Prometheus service back in the game.</p> <ul> <li>Origin of issue:</li> </ul> <p>I&rsquo;ve had an issue with my local network at home by the ISP provider, I had have shut down my RaspberryPi and other devices.</p> <p>Then when I could solved the issue and all my devices were up and running I checked up my services and I found that Prometheus got stuck by a <em>&ldquo;mmap: invalid argument&rdquo;</em> message.</p> https://jose.castrillo.eu/post/raspberrypi-monitoring-system/ Wed, 03 Feb 2021 00:00:00 +0000 https://jose.castrillo.eu/post/raspberrypi-monitoring-system/ <p><img loading="lazy" src="https://castrillo.gitlab.io/figaro/grafa_prome_rasp.png" alt="" /> </p> <p>On this post I will explain how I set up a Grafana + Prometheus into a RaspberryPi with <a href="https://www.raspberrypi.org/downloads/raspbian/">Raspbian</a>.</p> <p>Here it&rsquo;s a little design where explains how it is the implementation I did:</p> <h2><img loading="lazy" src="https://castrillo.gitlab.io/figaro/design_monitoring.png" alt="" /> </h2> <p>🔵 Server: RaspberryPi 3B+</p> <ul> <li>Services to install(server side): <ol> <li>Grafana</li> <li>Prometheus (Metric collector and database)</li> <li>Node Exporter (collector worker)</li> </ol> </li> </ul> <p>🟢 Clients: Raspberrypi Zero Fedora Workstation Debian VPS</p> <ul> <li>Services to install(client side): <ol> <li>Node Exporter (collector worker).</li> </ol> </li> </ul> <hr> <p>🔵 Lets start from the <strong>server</strong> side.</p>