OPcache is the single most impactful PHP performance setting you can tune. Without it, PHP parses and compiles every script on every request. With a well-tuned OPcache, compiled bytecode is served from shared memory — no disk reads, no compilation. This guide covers every production-relevant directive, preloading for Drupal/frameworks, JIT configuration for PHP 8+, and the Docker-specific concerns that trip up most setups.
Brute-force login attempts, credential stuffing, and API scraping are routine threats for any public-facing server. Nginx's built-in rate limiting module stops these attacks at the edge — before PHP even starts. This guide covers the full directive set, burst configuration, exempting trusted IPs, protecting Drupal's login and JSON:API endpoints, and avoiding the most common misconfiguration that lets bursts overwhelm your server.
In the digital age, where websites are integral to business operations and user engagement, the smooth functioning of web servers is paramount. Monitoring web server log files is an often overlooked yet crucial practice that can significantly enhance the performance, security, and reliability of your website. This article explores why monitoring web server log files is essential and provides practical insights on how to do it effectively.