Package Management

How to Configure SSL/TLS Client Certificate Authentication on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure SSL/TLS Client Certificate Authentication on Debian 10

Introduction How to Configure SSL/TLS Client Certificate Authentication on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 Set Up Nginx with PHP-FPM on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Nginx with PHP-FPM on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up nginx with php-fpm on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully […]

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How to Configure Rate Limiting in Nginx on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Rate Limiting in Nginx on Debian 10

Introduction How to Configure Rate Limiting in Nginx on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 Set Up Pacemaker and Corosync for High Availability on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up Pacemaker and Corosync for High Availability on RHEL 8

Pacemaker and Corosync together form the de facto high-availability (HA) cluster stack for Linux. Corosync provides the cluster messaging and quorum layer, while Pacemaker manages resources — ensuring that services like virtual IP addresses and web servers start, stop, and migrate between nodes according to defined constraints. On RHEL 8, both packages are available through […]

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How to Enable Brotli Compression on Nginx on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Enable Brotli Compression on Nginx on Debian 10

Introduction How to Enable Brotli Compression on Nginx on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 Configure Apache2 with mod_security on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Apache2 with mod_security on Debian 10

Introduction How to Configure Apache2 with mod_security on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. […]

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How to Set Up ZFS on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up ZFS on RHEL 8

ZFS is a combined file system and logical volume manager renowned for its data integrity guarantees, transparent compression, built-in snapshotting, and copy-on-write architecture. While ZFS is not included in the RHEL 8 kernel, the OpenZFS project provides compatible DKMS packages that build the kernel module on demand. This tutorial covers adding the OpenZFS repository, installing […]

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How to Install and Configure Varnish Cache on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Configure Varnish Cache on Debian 10

Introduction Deploying install and configure varnish cache on debian 10 on a Debian 10 Buster 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 Ensure […]

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How to Configure HTTP/2 on Nginx on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure HTTP/2 on Nginx on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure http/2 on nginx on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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How to Configure BGP Routing with BIRD on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure BGP Routing with BIRD on RHEL 8

Border Gateway Protocol (BGP) is the routing protocol that powers the internet, exchanging routing information between autonomous systems (AS). On RHEL 8, the BIRD Internet Routing Daemon provides a lightweight, production-grade BGP implementation available through the EPEL repository. This tutorial walks through installing BIRD, writing a BGP configuration with neighbor relationships and route filters, verifying […]

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