Building a Kubernetes Cluster Using Docker with 100-Year Certificate Validity
Cluster Architecture
Provision three CentOS 7 instances with the following roles and specifications. The control plane node requires at least 2 vCPUs; otherwise, kubeadm initialization will fail.
Hostname
IP Address
Role
OS
Specs
ctrl-plane
192.168.10.10
Control Plane
CentOS 7
2 vCPU / 4 GiB
worker-1
192.168.10.11
Worker
CentOS 7
2 vCP ...
Posted on Fri, 08 May 2026 13:26:21 +0000 by dieselmachine
Understanding Kubernetes Architecture and Core Resources
Containerization and Orchestration
Containerization allows applications to be packaged with their dependencies, ensuring consistency across different computing environments. While technologies like Docker provide isolation for file systems, CPU, and memory, managing individual containers at scale introduces significant challenges. Specifically, ...
Posted on Fri, 08 May 2026 07:57:58 +0000 by Mikemcs