Kernel Drivers

How to Configure Apache2 with mod_security on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Apache2 with mod_security on Debian 12

Introduction How to Configure Apache2 with mod_security on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 12. […]

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How to Install and Configure Varnish Cache on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install and Configure Varnish Cache on Debian 12

Introduction This guide explains how to Install and Configure Varnish Cache on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with […]

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How to Install Redis on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Redis on RHEL 8

Redis is an in-memory data structure store used as a database, cache, and message broker, capable of delivering sub-millisecond response times for millions of operations per second. On RHEL 8, Redis is available through the AppStream module system, giving you a straightforward installation path without third-party repositories. This guide covers installing Redis 6 via AppStream […]

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How to Set Up HTTP/3 QUIC on Nginx on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up HTTP/3 QUIC on Nginx on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up set up http/3 quic on nginx on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step […]

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How to Configure HTTP/2 on Nginx on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure HTTP/2 on Nginx on Debian 12

Introduction This guide explains how to Configure HTTP/2 on Nginx on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the […]

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How to Install and Secure phpMyAdmin on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install and Secure phpMyAdmin on Debian 12

Introduction Deploying install and secure phpmyadmin on debian 12 on a Debian 12 Bookworm 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 You will […]

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How to Install PostgreSQL on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install PostgreSQL on RHEL 8

PostgreSQL is a powerful, standards-compliant open-source relational database known for its extensibility, advanced data types, and strict ACID compliance. RHEL 8’s AppStream makes multiple PostgreSQL major versions available as installable modules, so you can target a specific release without managing external repositories. This guide demonstrates installing PostgreSQL 13 via the AppStream module system, initialising the […]

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How to Configure ModSecurity WAF with Apache2 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure ModSecurity WAF with Apache2 on Debian 12

Introduction How to Configure ModSecurity WAF with Apache2 on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 […]

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How to Install MariaDB on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install MariaDB on RHEL 8

MariaDB is a community-developed, fully open-source relational database management system that was forked from MySQL and remains highly compatible with it. On RHEL 8, MariaDB is conveniently available through the AppStream module system, allowing you to install a specific stream version without adding third-party repositories. This tutorial covers installing MariaDB 10.5 via AppStream, starting and […]

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How to Install MySQL 8 on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install MySQL 8 on RHEL 8

MySQL 8 is one of the most widely deployed relational database systems in the world, offering robust performance, strong security features, and broad application compatibility. On RHEL 8, MySQL is not included in the default AppStream modules, so you must add the official MySQL community repository before installing. This guide walks through adding the MySQL […]

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