Articles

 Apache Virtual Hosts: Hosting Multiple Websites on One VPS

Apache Virtual Hosts allow a single server to host multiple independent websites, each identified...

 Apache mod_php vs PHP-FPM: Which Should You Use?

Apache can run PHP through two fundamentally different methods — mod_php (embedded directly...

 How to Configure Custom Error Pages in Nginx/Apache

Default web server error pages are generic and unbranded. Custom error pages improve user...

 How to Configure Nginx as a Reverse Proxy for Node.js/Docker Apps

A reverse proxy sits in front of your application, handling incoming traffic on standard ports...

 How to Configure Nginx for WebSocket Proxying

WebSockets enable persistent, bidirectional connections between client and server — used...

 How to Configure Nginx for gRPC Proxying

gRPC is a high-performance RPC framework increasingly used for service-to-service communication....

 How to Debug Slow Nginx/Apache Response Times

A slow website has many possible causes — this guide provides a systematic approach to...

 How to Enable HTTP/2 and HTTP/3 on Nginx

HTTP/2 and HTTP/3 significantly improve page load performance over HTTP/1.1 by multiplexing...

 How to Fix Common Apache Errors (500/403/AH Errors)

A reference guide to the most common Apache errors and their direct fixes, including Apache's...

 How to Fix Common Nginx Errors (502/504/403)

A reference guide to the Nginx errors you're most likely to encounter in production, with the...

 How to Install Apache on Ubuntu & Debian (Complete Guide)

Apache HTTP Server is one of the most widely used web servers, valued for its stability, flexible...

 How to Install Nginx on Ubuntu & Debian (Complete Guide)

Nginx is one of the world's most widely used web servers, known for its speed, low resource...

 How to Install OpenLiteSpeed on a Linux VPS

OpenLiteSpeed is a high-performance, open-source web server known for excellent PHP performance...

 How to Limit Request Size and Prevent Large Upload Abuse in Nginx

Without limits, an attacker (or a genuine mistake) could send extremely large requests, consuming...

 How to Set Up Basic Authentication (htpasswd) in Nginx/Apache

HTTP Basic Authentication provides a quick, simple password-protection layer for staging...

 How to Set Up Basic Load Balancing with Nginx

When a single backend server can no longer handle your traffic, or you want redundancy, Nginx can...

 How to Set Up FastCGI Caching in Nginx for PHP Applications

FastCGI caching lets Nginx cache PHP-FPM's generated output directly — bypassing PHP...

 How to Set Up Multiple SSL Certificates with SNI in Nginx

Server Name Indication (SNI) lets a single IP address serve multiple HTTPS domains, each with its...

 How to Set Up Nginx Access Control by IP Address or Geolocation

Restricting access by IP address or geographic origin is a straightforward way to reduce exposure...

 How to Set Up URL Rewriting and Redirects in Nginx/Apache

URL rewriting and redirects are fundamental for SEO-friendly URLs, migrating old URL structures,...

 How to Set Up a Reverse Proxy Cache to Reduce Origin Server Load

A reverse proxy cache stores responses from your application server and serves them directly for...

 How to Set Up gzip and Brotli Compression for Faster Page Loads

Compressing text-based responses (HTML, CSS, JavaScript) before sending them over the network...

 Nginx Performance Tuning: Worker Processes, Caching & Gzip

Nginx's default configuration works fine out of the box, but a few targeted tuning changes can...

 Nginx Virtual Hosts (Server Blocks): Hosting Multiple Websites on One VPS

Nginx "server blocks" (the equivalent of Apache's virtual hosts) let you host multiple...

 Nginx vs Apache vs OpenLiteSpeed: Choosing the Right Web Server

Three major web server options are commonly available for a VPS — each with genuine...

 Understanding HTTP Security Headers (CSP, HSTS, X-Frame-Options) on Nginx & Apache

HTTP security headers instruct browsers to enforce additional protections beyond what HTTPS alone...