centos7安装k8s集群（2022版）
安装docker yum install docker sudo systemctl start docker sudo systemctl enable docker docker version 安装k8s集群 3.1 关闭防火墙 systemctl stop firewalld systemctl disable firewalld 3.2 关闭selinux setenforce 0 # 临时关闭 sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config # 永久关闭 1.3.3 关闭swap swapoff -a # 临时关闭；关闭swap主要是为了性能考虑 free # 可以通过这个命令查看swap是否关闭了 sed -...
microk8s和k3s
MicroK8s与K3s都是基于Kubernetes的轻量级发行版，主要面向工作站、边缘计算、物联网等应用场景，但二者也有比较大的区别。 主要区别 MicroK8s主要将一些扩展件集成到系统中，而K3s却将很多扩展件独立出来。 虽然MicroK8s与K3s都能支持ARM体系的低功耗计算，但是MicroK8s主打使用方便性，也更适合开发团队使用，而K3s主打轻量化，更适合低功耗的小型化无人值守的自动化系统使用。 MicroK8s的集群管理内核与Kubernetes标准版的容器镜像是完全一样的，而K3s的内核进行了一些修改，部分模块可能由于兼容性问题无法运...
k8s之Service
kind: Service apiVersion: v1 metadata: name: mysql-svc namespace: default labels: name: mysql-svc spec: ports: - name: http protocol: TCP port: 3306 targetPort: 3306 nodePort: 33306 selector: name: mysql-pod type: NodePort
k8s之PersistentVolume&PersistentVolumeClaim
kind:PersistentVolume apiVersion: v1 metadata: name: mysql-pv spec: capacity: storage:1Gi hostPath: path:/home/work/share/mysql type:'' accessModes: -ReadWriteOnce claimRef: kind:PersistentVolumeClaim namespace:default name: mysql-pvc persistentVolumeReclaimPolicy:Retain volumeMode:Filesystem kind: PersistentVolumeClaim apiVersion: v1 metadata: name: mysql-pvc namespace: default labels: app: mysql-pvc spec: accessM...
k8s之ReplicationController
kind: ReplicationController apiVersion: v1 metadata: name: mysql-rc namespace: default uid: 946f2c6a-f7ac-4412-b3c9-3741fe668717 resourceVersion: '1299573' generation: 3 creationTimestamp: '2021-05-17T09:16:19Z' labels: name: mysql-rc spec: replicas: 1 selector: name: mysql-pod template: metadata: labels: name: mysql-pod spec: volumes: - name: mysql-storage persistentVolumeClaim: claimN...
k8s deployment with persistentVolume
kind: Deployment apiVersion: apps/v1 metadata: name: mut-deployment namespace: default labels: app: mut spec: replicas: 1 selector: matchLabels: app: mut template: metadata: labels: app: mut spec: volumes: - name: testcase-storage persistentVolumeClaim: claimName: mut-pvc containers: - name: mut image: 'mut:20210531' ports: - containerPort: 80...
k8s之java-deployment
kind: Deployment apiVersion: apps/v1 metadata: name: pejava-deployment namespace: default labels: app: pejava spec: replicas: 1 selector: matchLabels: app: pejava template: metadata: labels: app: pejava spec: volumes: - name: git-storage persistentVolumeClaim: claimName: pejava-pvc containers: - name: pejava image: 'pejava:20210611' ports: - c...
k8s之mongo-deployment
kind: Deployment apiVersion: apps/v1 metadata: name: mongo-deployment namespace: default labels: app: mongo spec: replicas: 1 selector: matchLabels: app: mongo template: metadata: labels: app: mongo spec: containers: - name: mongo image: mongo ports: - containerPort: 27017 protocol: TCP
pe-deployment
kind: Deployment apiVersion: apps/v1 metadata: name: pe-deployment namespace: default labels: app: pe spec: replicas: 1 selector: matchLabels: app: pe template: metadata: labels: app: pe spec: containers: - name: pe image: 'pe:20210531' ports: - containerPort: 3001 protocol: TCP