Package Management

How to Install Loki Log Aggregation on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Loki Log Aggregation on Debian 11

Introduction How to Install Loki Log Aggregation on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. […]

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How to Configure syslog-ng for Centralised Syslog on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure syslog-ng for Centralised Syslog on RHEL 8

syslog-ng is a high-performance, feature-rich syslog daemon that far exceeds the capabilities of the standard rsyslog — it supports complex log routing with conditional filters, structured parsing, TLS-encrypted transport, and native output plugins for Elasticsearch, Kafka, and cloud logging services. On RHEL 8 the package is available from EPEL, making installation straightforward without manual source […]

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How to Configure Alertmanager on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Alertmanager on Debian 11

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 […]

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How to Set Up Node Exporter for Server Metrics on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Node Exporter for Server Metrics on Debian 11

Introduction This guide explains how to Set Up Node Exporter for Server Metrics on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 […]

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How to Install Grafana on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Grafana on Debian 11

Introduction How to Install Grafana on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. This tutorial […]

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How to Monitor MySQL with Percona Monitoring and Management on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor MySQL with Percona Monitoring and Management on RHEL 8

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 […]

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How to Install Prometheus on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Prometheus on Debian 11

Introduction How to Install Prometheus on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. This tutorial […]

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How to Apply CIS Benchmark Hardening to Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Apply CIS Benchmark Hardening to Debian 11

Introduction This guide explains how to Apply CIS Benchmark Hardening to Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

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How to Install and Configure Nagios Core on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Nagios Core on RHEL 8

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 […]

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How to Configure OpenVAS Vulnerability Scanner on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure OpenVAS Vulnerability Scanner on Debian 11

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 […]

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