k3s
Installation
SKILL.md
K3s - Lightweight Kubernetes
K3s is a CNCF-certified Kubernetes distribution built for edge, IoT, and resource-constrained environments. Single binary (~70MB), embeds containerd, SQLite (single-node) or etcd (HA).
Key Paths
| Path | Purpose |
|---|---|
/etc/rancher/k3s/config.yaml |
Server/agent configuration |
/etc/rancher/k3s/config.yaml.d/*.yaml |
Drop-in config fragments |
/etc/rancher/k3s/registries.yaml |
Private registry mirrors + auth |
/etc/rancher/k3s/k3s.yaml |
Kubeconfig (default mode 0600) |
/var/lib/rancher/k3s/ |
K3s state directory |
/var/lib/rancher/k3s/agent/images/ |
Airgap image tarballs |
/var/lib/rancher/k3s/agent/containerd/ |
Containerd runtime data |
/var/lib/rancher/k3s/server/manifests/ |
Auto-deploy manifests |