基础环境配置

节点规划

基本配置

所有节点 配置hosts，修改/etc/hosts如下：

10.0.0.1 k8s-master
10.0.0.2 k8s-node01
10.0.0.3 k8s-node02

所有节点 CentOS 初始化

详细步骤 回顾文章 << CentOS 初始化 >>

所有节点 containerd 安装

详细步骤 回顾文章 << containerd 安装 >>

cd /etc/yum.repos.d/

vim kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=0
repo_gpgcheck=0
gpgkey=http://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg
http://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg

yum install -y bash-completion

卸载旧版本

yum remove -y kubelet kubeadm kubectl

yum install -y kubelet-1.14.0 && yum install -y kubeadm-1.14.0 kubectl-1.14.0

vim ~/.bashrc
alias v=vim
alias k=kubectl
alias kdp=‘kubectl delete pod –force –grace-period=0’
alias kn=‘kubectl config set-context —current –namespace’
source < (kubectl completion bash)
completion -F __start_kubectl k

systemctl enable kubelet

vim /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-iptables = 1
#net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-arptables = 1
net.ipv4.ip_forward = 1

vm.swappiness=0