A few years ago, choosing Docker did not feel like a decision at all; if you were containerizing an application, Docker was the obvious answer with no second thoughts. However, starting around 2025, a shift occurred. As teams grew more experienced, infrastructure became more complex, and security expectations grew higher, engineers began evaluating which container […]
Learn how to optimize PHP-FPM for high-performance web applications. This guide covers process manager selection, tuning max_children, enabling Opcache, reducing memory bloat, and isolating PHP pools.
Learn how to safely tune Linux kernel parameters using sysctl to improve VPS performance. Optimize memory management, TCP buffers, network connections, and disk I/O schedulers for faster server response times.
Discover the key differences between CodeIgniter and Laravel. Compare their performance, features, and use cases to decide which PHP framework is the best fit for your next web development project or VPS deployment.
Learn how to monitor Docker containers with cAdvisor and Prometheus. This guide covers deploying cAdvisor, configuring Prometheus metrics scraping, utilizing Docker Compose, and useful PromQL queries for tracking CPU, memory, and network usage.
Learn how to protect your server from DDoS attacks and brute-force attempts by implementing rate limiting in Nginx. This guide covers the limit_req_zone and limit_req directives and testing with Apache Benchmark.
Learn how to set up centralized monitoring on a Linux server using Netdata. This guide covers installing Netdata, securing the dashboard with Nginx or UFW, configuring alerts, and linking multiple VPS nodes to Netdata Cloud for real-time performance tracking.
If you’re looking to host websites or applications on your VPS, Apache is one of the most popular and reliable web server software options available today. In this guide, we’ll walk you through the steps to install and configure Apache on a VPS running AlmaLinux OS — using simple terminal commands that anyone can follow. […]
At RackNerd, we recognize that performance is only one piece of the hosting puzzle. Security is just as crucial — especially when it comes to Virtual Private Servers (VPS), where you’re responsible for managing your own environment. Whether you’re hosting websites, applications, or development projects, securing your VPS is critical to protecting your data, uptime, […]
When it comes to hosting a website or application, performance is everything. Whether you’re running a blog, eCommerce site, or a resource-intensive application, optimizing your Virtual Private Server (VPS) for maximum performance ensures that your site runs smoothly, handles traffic spikes, and provides an excellent user experience. Here’s a comprehensive guide on how to optimize […]
