Chaos and Order https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Sat, 13 Jun 2026 00:00:00 GMT https://www.youngju.dev/blog/kubernetes/2026-06-13-kubespray-onprem-kubernetes-production.en Kubespray Deep Dive — Building Production On-Prem Kubernetes with Ansible https://www.youngju.dev/blog/kubernetes/2026-06-13-kubespray-onprem-kubernetes-production.en A complete walkthrough of building production-grade Kubernetes clusters on bare metal with Kubespray. Covers inventory design, dissecting key group_vars, HA control planes, air-gapped environments, day-2 playbooks for upgrades and scaling, CIS hardening, and how Kubespray relates to Cluster API. Sat, 13 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) kuberneteskubesprayansibleonprembaremetaldevops https://www.youngju.dev/blog/kubernetes/2026-06-13-kubespray-onprem-kubernetes-production.ja Kubespray徹底解説 — Ansibleで構築するプロダクション級オンプレKubernetes https://www.youngju.dev/blog/kubernetes/2026-06-13-kubespray-onprem-kubernetes-production.ja オンプレミスのベアメタル環境でKubesprayを使い、プロダクション級のKubernetesクラスタを構築する全工程を解説します。インベントリ設計、group_varsの主要変数の解剖、HA構成、エアギャップ対応、アップグレードやノード増設などのDay-2プレイブック、CISハードニング、Cluster APIとの比較まで実務の深さで整理しました。 Sat, 13 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) kuberneteskubesprayansibleonprembaremetaldevops https://www.youngju.dev/blog/kubernetes/2026-06-13-kubespray-onprem-kubernetes-production Kubespray 딥다이브 — Ansible로 프로덕션 온프렘 쿠버네티스 구축하기 https://www.youngju.dev/blog/kubernetes/2026-06-13-kubespray-onprem-kubernetes-production 온프레미스 베어메탈 환경에서 Kubespray로 프로덕션급 쿠버네티스 클러스터를 구축하는 전 과정을 다룹니다. 인벤토리 설계부터 group_vars 핵심 변수 해부, HA 구성, 에어갭 대응, 업그레이드와 노드 증설 같은 운영 플레이북, CIS 하드닝, Cluster API와의 비교까지 실무 깊이로 정리했습니다. Sat, 13 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) kuberneteskubesprayansibleonprembaremetaldevops