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How to Install and Configure OpenLiteSpeed Web Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure OpenLiteSpeed Web Server on RHEL 7

How to Install and Configure OpenLiteSpeed Web Server on RHEL 7 OpenLiteSpeed is the open-source edition of LiteSpeed Web Server, one of the fastest web servers available for Linux. It is event-driven, capable of handling tens of thousands of concurrent connections with minimal memory, and includes native support for PHP via LSAPI — an interface […]

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How to Set Up Varnish Cache as a Reverse Proxy on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up Varnish Cache as a Reverse Proxy on RHEL 7

How to Set Up Varnish Cache as a Reverse Proxy on RHEL 7 Varnish Cache is a high-performance HTTP reverse proxy and caching accelerator designed to sit in front of your web server. When a visitor requests a page, Varnish checks whether it holds a fresh cached copy. If it does, the response is served […]

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How to Set Up BGP Routing with BIRD on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up BGP Routing with BIRD on Debian 10

Introduction This guide explains how to Set Up BGP Routing with BIRD on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install […]

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How to Configure Nginx FastCGI Caching on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Nginx FastCGI Caching on RHEL 7

How to Configure Nginx FastCGI Caching on RHEL 7 FastCGI caching in Nginx allows you to store responses from your PHP backend — typically PHP-FPM — directly on disk or in memory, serving subsequent identical requests without re-executing PHP. On a busy RHEL 7 server this can reduce backend load by an order of magnitude, […]

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How to Set Up FTP Server with vsftpd on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up FTP Server with vsftpd on Debian 10

Introduction How to Set Up FTP Server with vsftpd 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 […]

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How to Set Up Dovecot IMAP Server on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Dovecot IMAP Server on Debian 10

Introduction This guide explains how to Set Up Dovecot IMAP Server on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with […]

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How to Install and Configure Squid Proxy on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Configure Squid Proxy on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install and configure squid proxy 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 OpenVPN Server on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure OpenVPN Server on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure openvpn server 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 the […]

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How to Set Up Unbound DNS Resolver on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Unbound DNS Resolver on Debian 10

Introduction Deploying set up unbound dns resolver 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 Before […]

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How to Enable Brotli and Gzip Compression in Nginx on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Enable Brotli and Gzip Compression in Nginx on RHEL 7

How to Enable Brotli and Gzip Compression in Nginx on RHEL 7 Compression is one of the highest-return optimizations available for web servers: it requires minimal CPU investment but can reduce text-based response sizes by 60–80%, directly improving page load times and reducing bandwidth costs. Nginx ships with the ngx_http_gzip_module built in and available on […]

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