4.9 Monitoring & logging

6 entries match these filters

• 0191 Prometheus concepts: pull model, exporters, node_exporter and PromQL basics Prometheus scrapes numeric metrics from your systems over HTTP and stores them as time series. Learn the pull model, metric types, node_exporter,… Intermediate · Concept · Linux Article Prometheus & Grafana 15 Oct 2026
• 0192 Grafana basics: connect Prometheus, build a dashboard and set up an alert Connect Grafana to Prometheus, build a dashboard for your servers with PromQL panels and a host selector, and create an alert rule… Intermediate · How-to · Linux Article Prometheus & Grafana 15 Oct 2026
• 0193 Linux logs reference: journalctl, journald storage, logrotate and centralized logging Read and filter systemd journal logs, keep their disk use in check, rotate classic log files with logrotate, and understand when to… Intermediate · Reference · Linux Article Linux administration · Logs 15 Oct 2026
• 0196 Prometheus: monitoring system and time series database The main Prometheus server: it scrapes metrics over HTTP, stores them as time series, answers PromQL queries and evaluates alerting rules. Linux Repo Prometheus & Grafana 15 Oct 2026
• 0197 Grafana: dashboards, visualization and alerting Grafana is the open-source web application for querying, visualizing and alerting on data from Prometheus, Loki, SQL databases and many other data… Linux Repo Prometheus & Grafana 15 Oct 2026
• 0255 Build a monitoring stack with Prometheus, node_exporter and Grafana on one Linux server Install Prometheus and node_exporter as systemd services, scrape and query host metrics with PromQL, then add Grafana with a dashboard and an… Intermediate · Tutorial · Linux Article Prometheus & Grafana · Services & systemd 15 Oct 2026