k8s基础环境配置：基于CentOS7.9

wmware15安装centos7.9：https://www.cnblogs.com/uncleyong/p/15261742.html

1.配置静态ip

TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="none"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="ens33"
UUID="67760d22-eb54-4a07-9f48-c2306c51c5d3"
DEVICE="ens33"
ONBOOT="yes"
IPADDR="192.168.117.161"
PREFIX="24"
GATEWAY="192.168.117.2"
DNS1="192.168.117.2"
IPV6_PRIVACY="no"

2.关闭防火墙

3.关闭selinux

sed -ri '/^[^#]*swap/s@^@#@' /etc/fstab

4.关闭交换分区

5.修改yum源

6.修改内核参数

7.修改主机名

hostnamectl set-hostname k8s-master01

8.安装常用工具

9.同步时间

10.配置hosts文件

vim /etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
 
 
192.168.117.161 k8s-master01
192.168.117.162 k8s-node01
192.168.117.163 k8s-node02

11.配置主机间无密码登录

12.升级系统及内核(4.x)

13.安装docker

yum install docker-ce-19.03.15* docker-ce-cli-19.03.15* -y

mkdir /etc/docker

cd /etc/docker

vim daemon.json

{
  "exec-opts": ["native.cgroupdriver=systemd"]
}

启动：systemctl daemon-reload && systemctl enable --now docker && systemctl status docker

虚拟机已经安装配置好（如有需要，请wx联系作者）

k8s基础环境配置：基于CentOS7.9

bak：https://www.cnblogs.com/uncleyong/p/15772887.html