Category Archives: Guides
Here at RackNerd, we're on a mission to introduce infrastructure stability on a global scale - one server at a time. Learn more about our story and why you should choose RackNerd for your infrastructure as a service (IaaS) needs!



How to Build a Scalable API Gateway with Kong

In today’s landscape of microservices and distributed applications, effective API management is essential for ensuring scalability, security, and performance. An API gateway serves as a central access point for all API requests, managing essential tasks such as authentication, rate limiting, logging, and request routing. Kong is a widely-used open-source API gateway recognized for its flexibility, […]

Strapi vs. WordPress: Which CMS Should You Choose?

Choosing the right Content Management System (CMS) is a crucial decision, whether you’re building a blog, an e-commerce site, or a complex web application. You need a system that is flexible, scalable, and developer-friendly—one that gives you full control over content management without unnecessary limitations. With so many options available, two popular choices stand out: […]

How to Install CrowdSec on Your VPS to Prevent Attacks

When managing a VPS, security should always be your top priority. Within minutes of going online, exposed servers frequently draw malicious bots, brute-force attempts, and exploit scans. Installing a community-driven and proactive security tool like CrowdSec can significantly improve system security. Through this blog, we discuss what CrowdSec is, how it works, and how to […]

Scaling Web Applications with Kubernetes Horizontal Pod Autoscaler (HPA)

Modern web applications are expected to handle unpredictable traffic patterns while maintaining performance and reliability. Kubernetes addresses this challenge through native autoscaling capabilities, and at the heart of pod-level scaling lies the Horizontal Pod Autoscaler (HPA). HPA dynamically adjusts the number of running pods based on real-time resource consumption or custom metrics, ensuring optimal performance […]

How to Set Up Real-Time Alerts for Server Failures with Grafana

Revenue, customer satisfaction, and availability can all be directly impacted by server outages and poor performance. Real-time alerting ensures your operations team is notified immediately when something goes wrong, before users notice. In this guide, you will learn how to configure real-time alerts for server failures using Grafana, backed by reliable metrics from Prometheus. Why […]

Deploying a Django Application Using Gunicorn and Nginx

Deploying a Django application for production requires a robust and scalable setup. This tutorial will demonstrate how to deploy a Django application with Nginx serving as the reverse proxy and Gunicorn as the WSGI server. This combination guarantees load balancing, better performance, and effective request handling. Prerequisites Before proceeding, ensure you have the following: Step […]

BUN vs. NPM: Which JavaScript Package Manager Should You Use

JavaScript development has long relied on package managers to simplify dependency management, project setup, and script execution. For years, npm has been the default choice, powering millions of projects. However, with the rise of Bun, a modern JavaScript runtime that includes its own package manager, developers are asking, which one should you use? Here we […]

Best Practices for Load Testing Your Website Using Locust

In today’s fast-paced digital world, ensuring that your website can withstand heavy traffic loads is critical to sustaining user experience and avoiding downtime. Load testing identifies performance bottlenecks and optimizes your website’s infrastructure. One of the most effective tools for this endeavor is Locust, this is an open-source load testing platform that can rapidly simulate […]

How to Install OpenLiteSpeed Web Server on Your VPS

If you’re looking for a high-performance, lightweight, and easy-to-manage web server, OpenLiteSpeed is an outstanding choice. It provides excellent speed, security, and scalability while remaining user-friendly. In this guide, we’ll guide you through the process of installing OpenLiteSpeed on your VPS. And here we are using a Ubuntu 22.04 server. Step 1 – Update Your […]

Using Ansible to Automate Server Setup and Configurations

Manually setting up and configuring servers is time-consuming, error-prone, and difficult to scale. Ansible, an open-source automation tool, makes this process easier by allowing system administrators to define server configurations as code. This maintains uniformity, reduces manual labor, and enables rapid deployments. In this article, we’ll look at how Ansible may be used to automate […]