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Showing posts with the label Linux Tutorial

How to Build a High-Availability (HA) Cluster on Bare Metal

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  When deploying mission-critical applications, a Single Point of Failure (SPOF) is a disaster waiting to happen. High Availability (HA) is one of the key architectural requirements for achieving uptime targets such as 99.99%, provided that the surrounding infrastructure is also redundant. In this guide, we will architect a production-grade, 7-node High-Availability cluster from scratch using bare-metal servers connected via a Private VLAN. Phase 1: Architecture Explanation (Visualizing the Setup) Before touching the command line, you need a clear mental model of the topology. We are distributing our services across three isolated tiers: Floating IP (VIP): The single public IP address (203.0.113.100) that users hit. Tier 1 (Load Balancers): Running HAProxy and Keepalived in an Active/Passive setup. Tier 2 (Web Servers): Running Nginx and your application code. Tier 3 (Database Cluster): Running a MariaDB Galera Cluster for certification-based replication. IP Addressing Scheme H...

Is Your Dedicated Server Slow? Here is How to Install CyberPanel with OpenLiteSpeed (The Ultimate Guide)

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  If you are running a Dedicated Server , you know that speed and resource management are everything. Many server administrators default to cPanel, but the licensing costs are rising, and the traditional Apache web server stack can sometimes feel heavy and slow. Enter CyberPanel. CyberPanel is a next-generation hosting control panel powered by OpenLiteSpeed . It is built for speed, security, and simplicity. Best of all? The core version is completely free. In my latest comprehensive guide, I walk you through the entire process of setting up CyberPanel on a MIG Dedicated Server . Why Choose CyberPanel? Before you jump into the installation, here is why this switch is a game-changer for your hosting business: OpenLiteSpeed Engine: Unlike standard Apache servers, OpenLiteSpeed is event-driven. It handles thousands of concurrent connections with minimal RAM usage. LSCache Included: You get the world’s fastest caching engine built-in. Your WordPress sites will fly. HTTP/3 & QUIC S...