Connection

Check config file location cat /etc/rancher/k3s/k3s.yaml Export KUBECONFIG export KUBECONFIG=/etc/rancher/k3s/k3s.yaml Access K3s from non-server hosts scp root@k3s-server:/etc/rancher/k3s/k3s.yaml ~/.kube/config

Installation and Management

Install K3s as server curl -sfL https://get.k3s.io | sh - Install K3s as agent curl -sfL https://get.k3s.io | K3S_URL=https://server-url:6443 K3S_TOKEN=mynodetoken sh - Stop K3s service systemctl stop k3s Start K3s service systemctl start k3s Check K3s service status systemctl status k3s Uninstall K3s /usr/local/bin/k3s-uninstall.sh

Cluster Information

Get nodes kubectl get nodes Get node details kubectl describe node Get cluster info kubectl cluster-info Get K3s version k3s --version

Pod and Deployment Management

List all pods kubectl get pods --all-namespaces List pods in a namespace kubectl get pods -n Get pod details kubectl describe pod -n Get pod logs kubectl logs -n Execute command in pod kubectl exec -it -n --

Service Management

List all services kubectl get svc --all-namespaces Get service details kubectl describe svc -n Create service kubectl apply -f service.yaml

Resource Monitoring

Get resource usage kubectl top nodes Get pod resource usage kubectl top pods -n Monitor K3s logs journalctl -u k3s

Configuration and Security

View K3s config cat /etc/systemd/system/k3s.service.env Get secrets kubectl get secrets -n Manage K3s tokens cat /var/lib/rancher/k3s/server/node-token