# install-k8s-m3-1.18.19

**Repository Path**: jack2zhang/install-k8s-m3-1.18.19

## Basic Information

- **Project Name**: install-k8s-m3-1.18.19
- **Description**: install-k8s-m3-1.18.19
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2021-06-16
- **Last Updated**: 2021-11-02

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

## install-k8s-m3-1.18.19 kubeadm

### base

- hosts

cat /etc/hosts

```
127.0.0.1   localhost
127.0.0.1 apiserver.k8s.local
192.168.18.71 k8s-master1 apiserver01.k8s.local
192.168.18.72 k8s-master2 apiserver02.k8s.local
192.168.18.73 k8s-master3 apiserver03.k8s.local
192.168.18.74 k8s-node1 
192.168.18.75 k8s-node2
```

-  set hostname

```
hostnamectl --static set-hostname k8s-master1
hostnamectl --static set-hostname k8s-master2
hostnamectl --static set-hostname k8s-master3
hostnamectl --static set-hostname k8s-node1
hostnamectl --static set-hostname k8s-node2
```

- 免密

ssh-keygen -t rsa

ssh-keygen -t rsa -f ~/.ssh/id_rsa -N ''

```
ssh-copy-id 192.168.18.71
ssh-copy-id 192.168.18.72
ssh-copy-id 192.168.18.73
ssh-copy-id 192.168.18.74
ssh-copy-id 192.168.18.75
```

自动设置免密的脚本 ssh-copy


### docker

init4centos7.sh  系统初始化脚本

download-kernel.sh  内网下载内核和安装内核

install-kernel-local

install_docker4centos7.sh 安装docker

init-k8s.sh k8s初始化

reboot 重启

### nginx local HA

- nginx

deploy-nginx.sh 

### install kubeadm

- install kubeadm

install-kubeadm.sh

- init

init 之前改配置文件IP和镜像版本号

```
kubeadm init --config kubeadm-config.yaml 
```


- end init

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

- scp cert

```
scp -r /etc/kubernetes/pki/ root@192.168.18.72:/etc/kubernetes/
```


` master join

```
kubeadm join apiserver.k8s.local:8443 --token 8j1v3a.c9x7da832q6csbg6 \
    --discovery-token-ca-cert-hash sha256:02780ac2abcdd44dc6b10bd9888422491351205de2a3894f5188e145f3c613db \
    --control-plane
```

- node join

```
kubeadm join apiserver.k8s.local:8443 --token 8j1v3a.c9x7da832q6csbg6 \
    --discovery-token-ca-cert-hash sha256:02780ac2abcdd44dc6b10bd9888422491351205de2a3894f5188e145f3c613db
```` 

- check

kubectl get node
kubectl get pod -n kube-system

- flannel

kubectl apply -f kube-flannel.yml