In episode 89 of Linux Server Admin with Fexingo, Lucas and Luna dive into load balancing Linux servers using HAProxy. They walk through a concrete setup: a pair of web servers behind a single HAProxy frontend, with health checks and round-robin distribution. The conversation covers why you might choose HAProxy over nginx for layer 4 balancing, how to configure backend pools with check intervals, and a quick demo of ensuring zero-downtime deployments by toggling servers in the stats socket. Real-world use cases like balancing a WordPress cluster or an API gateway are discussed. By the end, you'll know exactly how to set up a simple two-node HAProxy load balancer and monitor it from the CLI. No fluff, just practical sysadmin knowledge.

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