docker 部署集群
时间: 2023-12-08 22:39:11 浏览: 80
为了使用Kubernetes,我们需要在每个节点上安装Docker。以下是Docker安装的步骤:
1.卸载旧版本的Docker(如果有):
```shell
sudo apt-get remove docker docker-engine docker.io containerd runc
```
2.安装Docker:
```shell
sudo apt-get update
sudo apt-get install -y apt-transport-https ca-certificates curl gnupg lsb-release
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update
sudo apt-get install -y docker-ce docker-ce-cli containerd.io
```
3.启动Docker并设置开机自启:
```shell
sudo systemctl start docker
sudo systemctl enable docker
```
4.拉取所需的Kubernetes镜像:
```shell
sudo kubeadm config images pull
```
5.使用kubeadm初始化Kubernetes集群:
```shell
sudo kubeadm init
```
6.按照kubeadm init命令的输出,设置kubectl的配置文件:
```shell
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
```
7.安装网络插件(这里以Flannel为例):
```shell
kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
```
以上是使用Docker部署Kubernetes集群的步骤,希望对你有所帮助。
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