Engineer Builds Multi-Node Kubernetes Home Lab to Prep for CKNE Certification

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A DevOps engineer has set up a multi-node Kubernetes cluster on a personal home lab as part of preparations for the Certified Kubernetes Network Engineer (CKNE) beta exam. The cluster runs across three virtual machines — one control plane and two worker nodes — managed using QEMU/KVM and libvirt, with Cloud-Init handling automated provisioning. The setup is designed to simulate a real production environment and enable hands-on practice with networking tools such as tcpdump, iptables, CNI, and the Gateway API. Beyond the CKNE, the engineer has outlined a roadmap toward achieving the Kubestronaut designation by 2027, which requires passing five Kubernetes certifications including CKA, CKAD, CKS, KCNA, and KCSA. The engineer already holds the LFCS certification and is also targeting the Terraform Associate credential as part of a broader focus on cloud-native infrastructure and security.

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