6,k8s的搭建准备及初始化

 

1,主机分配

角色 IP 组件
k8s-master1 192.168.31.63

kube-apiserver,kube-controller-manager,kube-scheduler,etcd

k8s-master2 192.168.31.64

kube-apiserver,kube-controller-manager,kube-scheduler

k8s-node1 192.168.31.65

kubelet,kube-proxy,docker,etcd

k8s-node2 192.168.31.66

kubelet,kube-proxy,docker,etcd

LB(Master)

192.168.31.61

Nginx L4 , 192.168.31.60 (VIP)
LB(Backup) 192.168.31.62 Nginx L4

 

1.	系统初始化
关闭防火墙:
# systemctl stop firewalld
# systemctl disable firewalld

关闭selinux:
# setenforce 0 # 临时
# sed -i 's/enforcing/disabled/' /etc/selinux/config # 永久

关闭swap:
# swapoff -a  # 临时
# vim /etc/fstab  # 永久

同步系统时间:
# ntpdate time.windows.com

添加hosts:
# vim /etc/hosts
192.168.31.63 k8s-master1
192.168.31.64 k8s-master2
192.168.31.65 k8s-node1
192.168.31.66 k8s-node2

修改主机名:
hostnamectl set-hostname k8s-master1

 

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