部署 k8s 初始化服务器脚本

#!/bin/bash
# 关闭防火墙
systemctl stop firewalld
systemctl disable firewalld

# 关闭selinux
sed -i  's#SELINUX=enforcing#SELINUX=diabled#' /etc/selinux/config
setenforce 0

# 配置主机名
hostnamectl set-hostname k8s-master1

# 配置域名解析
cat >> /etc/hosts << EOF
192.168.31.63    k8s-master1
192.168.31.64    k8s-master2
192.168.31.65    k8s-node1
192.168.31.66    k8s-node2
EOF

# 关闭交换分区
swapoff -a
sed -i 's#\/dev/mapper/centos-swap#\#/dev/mapper/centos-swap#' /etc/fstab