centos单机安装k8s集群

1. 关闭防火墙

systemctl disable firewalld  
systemctl  stop firewalld  

2. 安装etcd,k8s

 yum  install  -y  etcd  kubernetes

3. 处理可能出现的错误

3.1 Docker配置文件为 /etc/sysconfig/docker，其中OPTIONS的内容为：

　　OPTIONS='--selinux-enabled=false --insecure-registry gcr.io' 

3.2 删除配置ServiceAccount

vim /etc/kubernetes/apiserver

4. 编写启动脚本

4.1 编写启动脚本 vim startk8s.sh

#/bin/bash
systemctl start etcd
systemctl start docker
systemctl start kube-apiserver
systemctl start kube-controller-manager
systemctl start kube-scheduler
systemctl start kubelet
systemctl start kube-proxy

4.2 赋予脚本权限

chmod +x startk8s.sh

4.3 执行脚本

./startk8s.sh

5. 查看集群状态