Introduction Deploying set up promtail log agent on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before […]
Introduction Deploying configure alertmanager on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure […]
Jaeger is an open-source, end-to-end distributed tracing system originally developed by Uber Technologies and now a CNCF graduated project. It lets you follow a single user request as it propagates across dozens of microservices, measure the latency contribution of each span, and pinpoint the exact service or database call responsible for a slowdown. On RHEL […]
OpenTelemetry is the CNCF-backed standard for collecting traces, metrics, and logs from applications and infrastructure in a vendor-neutral way. The OpenTelemetry Collector is the agent and pipeline component — it receives telemetry over OTLP, Jaeger, Zipkin, or Prometheus scrape, applies processors such as batching and attribute transformation, and exports to backends like Jaeger, Prometheus Remote […]
Percona Monitoring and Management (PMM) is an open-source platform that provides deep visibility into MySQL, MariaDB, PostgreSQL, and MongoDB performance — including query analytics, slow-query identification, and time-series dashboards — without requiring a commercial licence. Running PMM Server as a Docker container keeps the server component isolated and easy to upgrade, while the lightweight PMM […]
Nagios Core is one of the most widely-deployed open-source IT infrastructure monitoring systems in the world, providing alerting and status dashboards for hosts, services, and network devices. On RHEL 8, installing Nagios Core from source gives you the latest release and full control over the build configuration. This tutorial walks through every step from prerequisite […]
Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up configure openvas vulnerability scanner on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and […]
InfluxDB 2.x is a purpose-built time-series database that stores metrics with nanosecond precision and exposes a powerful query language called Flux for aggregating and transforming that data. Telegraf is the official plugin-driven metrics collection agent from InfluxData — it ships over 200 input plugins covering everything from CPU and memory to Docker containers and SNMP […]
Introduction Deploying restrict kernel module loading on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]
Grafana 10 ships with a completely redesigned unified alerting engine that replaces the older panel-level alerts, offering multi-dimensional alert rules, flexible notification policies, and first-class support for external notification channels including Slack, email, and PagerDuty. Rather than binding an alert to a single dashboard panel, unified alerting lets you define alert rules independently against any […]
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