master和node执行

$HOST为本机地址

systemctl stop firewalld.service
systemctl disable firewalld.service

#master执行
hostnamectl set-hostname k8s-master
cat >> /etc/hosts <<EOF
$HOST k8s-master
EOF
#node执行
hostnamectl set-hostname k8s-node1
cat >> /etc/hosts <<EOF
$HOST k8s-node1
EOF
#查看设置结果
hostnamectl --static

#配置内核参数，将桥接的IPv4流量传递到iptables的链
cat > /etc/sysctl.d/k8s.conf <<EOF
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF
sysctl --system

#关闭swap
swapoff -a

#安装docker
yum install -y vim bash-completion net-tools gcc
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum install -y docker-ce

#配置docker
mkdir -p /etc/docker
cat > /etc/docker/daemon.json <<EOF
{
  "registry-mirrors": ["https://v16stybc.mirror.aliyuncs.com"],
  "exec-opts": ["native.cgroupdriver=systemd"]
}
EOF

systemctl enable docker && systemctl restart docker

#用kubeadm部署kubernetes
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=0
repo_gpgcheck=0
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF

yum install -y kubectl kubelet kubeadm

systemctl enable kubelet && systemctl restart kubelet

#初始化k8s apiserver-advertise-address=$HOST本机ip
kubeadm init --kubernetes-version=1.23.6  \
--apiserver-advertise-address=$HOST  \
--image-repository registry.aliyuncs.com/google_containers  \
--service-cidr=10.10.0.0/16 --pod-network-cidr=10.122.0.0/16

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

source <(kubectl completion bash)

node join

kubeadm join 10.0.0.245:6443 --token ***** \
    --discovery-token-ca-cert-hash *****

安装calico网络

kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
watch kubectl get pods -A -o wide

等待安装完成

参考原文：https://www.kubernetes.org.cn/7189.html