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在Kubernetes中使用Ubuntu作为工作节点操作系统时,有一些最佳实践可以帮助确保集群的稳定性和安全性。以下是一些关键的最佳实践:
sudo apt update && sudo apt upgrade -y
sudo apt install docker.io -y
sudo systemctl start docker
sudo systemctl enable docker
kubectl taint nodes <node-name> node-role.kubernetes.io/worker-
kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
apiVersion: v1
kind: Pod
metadata:
name: example-pod
spec:
containers:
- name: example-container
image: example-image
resources:
requests:
memory: "64Mi"
cpu: "250m"
limits:
memory: "128Mi"
cpu: "500m"
apiVersion: v1
kind: PersistentVolume
metadata:
name: example-pv
spec:
capacity:
storage: 1Gi
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Retain
storageClassName: standard
hostPath:
path: "/mnt/data"
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: example-network-policy
spec:
podSelector:
matchLabels:
app: example-app
policyTypes:
- Ingress
ingress:
- from:
- podSelector:
matchLabels:
app: allowed-client
egress:
- to:
- ipBlock:
cidr: 10.0.0.0/24
通过遵循这些最佳实践,您可以确保在Kubernetes中使用Ubuntu时获得最佳的性能和安全性。
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