https://www.anhdh.net/en/blog Backend & Cloud engineering notes — deep dives into distributed systems, databases, caching, and the infrastructure that keeps software running at scale. Practical, no-fluff writing for engineers who care about how things actually work. en-US anhdh.cv@gmail.com (Do Hung Anh) anhdh.cv@gmail.com (Do Hung Anh) Sun, 16 Aug 2026 00:00:00 GMT https://www.anhdh.net/en/blog/linux-fundamentals-before-kubernetes https://www.anhdh.net/en/blog/linux-fundamentals-before-kubernetes Before Kubernetes existed, there was Linux. To really understand why Kubernetes looks the way it does, you first need to understand what a kernel is, why a driver is bolted onto it, and how the kernel isolates one process from another. In this first article of the Kubernetes Fundamentals series, we go all the way back to the basics — with hands-on commands you can run yourself. Sun, 16 Aug 2026 00:00:00 GMT anhdh.cv@gmail.com (Do Hung Anh) beginnerlinuxkubernetes