k8s在线安装手册

1.环境准备

1.1修改hosts

4台主机分别修改hosts文件，添加如下内容

vi /etc/hosts

192.168.154.128 k8s-master
192.168.154.129 k8s-node1
192.168.154.130 k8s-node2
192.168.154.131 k8s-node3

1.2 修改hostsname

以下是主机1修改方式，主机2,3,4同理修改为k8s-node1，k8s-node2，k8s-node3

 hostnamectl set-hostname k8s-master

1.3 关闭防火墙

systemctl stop firewalld
systemctl disable firewalld

1.4 关闭 selinux

sed -i 's/enforcing/disabled/' /etc/selinux/config
setenforce 0

1.5 关闭 swap

swapoff -a  #临时
sed -ri 's/.*swap.*/#&/' /etc/fstab  #永久

1.6修改 /etc/sysctl.conf

将桥接的 IPv4 流量传递到 iptables 的链
如果有配置，则修改

sed -i "s#^net.ipv4.ip_forward.*#net.ipv4.ip_forward=1#g"  /etc/sysctl.conf
sed -i "s#^net.bridge.bridge-nf-call-ip6tables.*#net.bridge.bridge-nf-call-ip6tables=1#g"  /etc/sysctl.conf
sed -i "s#^net.bridge.bridge-nf-call-iptables.*#net.bridge.