This article compares Nginx and Apache from an operations learner’s perspective, examining their operating system support, regional market share, scalability, PHP integration, configuration ease, and source code characteristics, concluding with guidance on when each server is appropriate.
This article explains the role of CGI as a protocol for passing request data, how FastCGI improves performance by reusing processes, and why PHP‑FPM is the widely adopted FastCGI implementation that enables smooth configuration reloads for PHP applications.
This guide explains how to compile Nginx with the GeoIP module, install MaxMind's GeoIP library and database, configure the system linker, and set up Nginx directives to redirect traffic from selected countries to custom pages on a single VPS.
This article examines typical mistakes in Nginx‑PHP configurations—such as misplaced index directives, misuse of the if statement, and fastcgi parameter issues—and presents a cleaner, more reliable configuration using inheritance, try_files, and the appropriate fastcgi.conf file.
This article outlines the extensive technology stack behind Airbnb, covering its programming languages, client and server libraries, web server, data storage solutions, server services, and underlying hardware infrastructure that support its operations across 190 countries.
This tutorial walks through configuring Nginx upstream for load balancing and enabling proxy caching of static resources, covering experiment topology, environment setup, key upstream parameters, example configurations, cache directives, and performance observations.
This guide walks through setting up a virtual machine, installing and compiling Nginx, configuring its main, event, and http blocks, creating SSL certificates, and applying URL rewrite rules to serve different pages based on the client’s browser or device.
This article explains nginx’s high‑performance architecture, detailing its daemon mode with a master process and multiple worker processes, the multi‑process model advantages, signal‑based control, the asynchronous non‑blocking event handling using epoll, and includes a representative pseudo‑code of its event loop.
This article explains how Nginx achieves high concurrency and performance through its master‑worker process model, event‑driven state machine, non‑blocking I/O, and graceful configuration reloads, contrasting it with traditional blocking multi‑process web servers.
This guide walks through why Nginx is preferred over Apache for high‑traffic sites, provides step‑by‑step instructions for compiling and installing Nginx on CentOS, and details extensive performance tuning and security hardening techniques to support tens of thousands of concurrent connections.
This guide walks through why Nginx is preferred over Apache, detailed steps to compile and install it on CentOS, and extensive configuration tweaks—including worker processes, kernel parameters, SELinux policies, and request‑filtering rules—to achieve high concurrency and robust security for production web services.
This article explains why high‑concurrency design is essential for modern internet services, compares vertical (scale‑up) and horizontal (scale‑out) scaling, revisits the C10K/C10M challenges, and reviews process, thread, coroutine, and event‑driven models to help engineers build ultra‑scalable web servers.
Learn how to parse web server access logs with AWK, aggregate response times per URL, calculate average latency for each request, and output the results, enabling you to pinpoint long‑running requests that degrade system performance.
Learn how to use a single netstat pipeline command to count established connections on port 80, giving you an immediate view of your web server's concurrent connection load for better performance monitoring and troubleshooting.
This tutorial walks you through creating a simple iterative Python web server, demonstrates its single‑request limitation, explains socket fundamentals, and then shows how to transform it into a concurrent server using the Unix fork() system call while handling backlog, duplicate descriptors, and zombie processes.
This guide shows how to create a minimal Python WSGI server that can run Django, Flask, and Pyramid applications without modifying server or framework code, explains WSGI fundamentals, provides step‑by‑step setup, code snippets, testing commands, and demonstrates the server‑framework interaction.
This article explains reverse proxy concepts, introduces Nginx’s core features and architecture, and provides a step‑by‑step guide to set up Nginx on Windows as a reverse‑proxy and load‑balancer for IIS‑hosted ASP.NET sites, including service registration, configuration tuning, static‑file caching, and testing.
This guide explains how to install and use the lightweight Linux tool http_load to benchmark web server performance, covering preparation of URL lists, key command‑line parameters, example test runs, and interpretation of the detailed output statistics.
Copy‑pasting outdated Nginx‑PHP tutorials often introduces hidden bugs, so this article explains typical configuration mistakes, the inheritance model, misuse of directives like index, if, and fastcgi_params, and provides a streamlined, secure configuration example.
Zero‑copy, implemented via the Linux sendfile system call, eliminates data copying between kernel and user space, reducing context switches and memory usage, thereby significantly improving the performance of web servers such as Apache and Nginx.
This article explains what virtual hosts are, how to configure them in Nginx using server blocks, the syntax for listen, server_name, location, index, and root directives, and provides practical examples with wildcard and regex hostnames, auto‑index settings, and access controls.
This guide explains how Nginx rewrite directives perform URL redirection without changing the browser address, covering syntax, placement rules, common use cases, detailed examples, and the meanings of flags like last, break, redirect, and permanent.
This guide explains how Nginx processes request URIs using the location directive, detailing its syntax, the four matching types, and the rule‑based priority system that determines which location block handles a request.
This guide explains how to configure Nginx's global parameters, event settings, and HTTP block—including worker processes, error logs, connection limits, upstream load balancing, virtual hosts, and location directives—for optimal backend performance.
This guide explains how to apply Nginx's early‑alpha HTTP/2 patch, covering required source versions, OpenSSL/LibreSSL preparation, patch application, configuration flags, compilation, and enabling HTTP/2 in the server block, while noting the patch's production limitations.
This article explains Nginx’s lightweight kernel and modular design, detailing how the core, basic, and third‑party modules are organized by structure and function, and describing the roles of handlers, filters, and proxies in processing HTTP requests and responses.
This guide explains how to use NFS on CentOS to synchronize data between multiple web servers and implement load balancing, covering NFS service basics, configuration files, export options, related commands, DNS setup, shared directory creation, Apache virtual host configuration, and testing the synchronized WordPress site.
Learn how to fine‑tune Nginx by adjusting key global, events, and HTTP settings—such as worker processes, connection limits, gzip compression, and file caching—to maximize throughput and reduce latency under heavy client loads, with a complete example configuration and restart instructions.
This article reviews several Erlang-based web servers and frameworks—including Yaws, Mochiweb, Misultin, Cowboy, httpd, SimpleBridge, webmachine, Nitrogen, Zotonic, and Chicago Boss—highlighting their features, documentation quality, integration with supervision trees, and suitability for building high‑performance HTTP services.
This article explains the fundamentals of web servers, application servers, and web containers, describes the Java Servlet API—including Servlet, ServletContext, ServletRequest, ServletResponse, and session handling—and provides guidance on thread safety with illustrative code examples.
This article compares two Apache rewrite configurations, showing why the first correctly captures query parameters while the second does not, and explains the crucial role of the %{QUERY_STRING} variable in successful URL rewriting.
This article compares the core features, use cases, and performance characteristics of popular web and application servers—Apache, Tomcat, Jetty, Nginx, and JBoss—highlighting their distinctions in handling static versus dynamic content, scalability, and integration with Java and other technologies.
