docker k8s安装

docker安装

删除依赖包

sudo yum remove docker

docker-client

docker-client-latest

docker-common

docker-latest

docker-latest-logrotate

docker-logrotate

docker-selinux

docker-engine-selinux

docker-engine

安装依赖包

sudo yum install -y yum-utils

device-mapper-persistent-data

lvm2

 设置yum源

yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

安装docker命令

$ sudo yum makecache fast

$ sudo yum install docker-ce

docker开机启动和开启命令

$ sudo systemctl enable docker

$ sudo systemctl start docker

测试后安装成功

docker run hello-world

k8s安装

kubeadm工具安装

设置yum源

[kubernetes]

name=Kubernetes

baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64

enabled=1

gpgcheck=0

安装kubeadm

yum install -y kubelet kubeadm kubectl --disableexcludes=kubernetes

设置kubeadm开机启动

systemctl enable kubelet && systemctl start kubelet

设置docker开机启动

systemctl enable docker && systemctl start docker

kubeadm config

初始化一个配置文件

kubeadm config print init-defaults > init.default.yaml

可以对文件进行编辑按需生成合适的配置定制仓库地址用

apiVersion: kubeadm.k8s.io/v1beta1

kind: ClusterConfiguration

imageRepository: docker.io/dustise

kubernetesVersion: v1.14.0

networking:

  podSubnet: "192.168.0.0/16"

下载相关镜像

 kubeadm config images pull --config=init -config.yaml