Efficient Ops
Jun 6, 2022 · Cloud Native
How to Migrate Kubernetes from Docker to cri‑o: Step‑by‑Step Guide
This guide explains why Kubernetes dropped dockershim, clarifies OCI and CRI standards, compares Docker, containerd and cri‑o runtimes, and provides a step‑by‑step procedure—including node draining, Docker removal, kernel tuning, cri‑o installation, kubelet reconfiguration, and verification—to successfully migrate a cluster from Docker to cri‑o before upgrading to version 1.24.
Cloud NativeDevOpsDocker migration
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