kubeadm安裝

 

2.修改主機名

hostnamectl set-hostname master

在master主機的 /etc/hosts 上添加master的ip和主機名

192.2.0.0 master

 

/etc/yum.repos.d目錄下
vim kubenetes.repo
[root@k8s-master yum.repos.d]# cat kubenetes.repo 
[kubernetes]
name=Kubernetes Repo
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
gpgcheck=1    #開啓gpg校驗
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg
enabled=1

 

下載校驗文件
 wget https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
 wget https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg
導入校驗文件
 rpm --import rpm-package-key.gpg 
 rpm --import yum-key.gpg 

 

yum install docker-ce kubelet kubeadm kubectl 

初始化k8s集羣

[root@master01 ~]# kubeadm init --kubernetes-version=1.18.0  \
--apiserver-advertise-address=192.168.122.21   \
--image-repository registry.aliyuncs.com/google_containers  \
--service-cidr=10.10.0.0/16 --pod-network-cidr=10.122.0.0/16