kubernetes安装过程概览

1、重置kubetnetes，节点工作不正常，在踢出集群后，再次加入集群前需要重置

kubeadm reset -f  

rm -rf ~/.kube

2、安装kubeadm，kubectl，kubelet三个二进制

配置k8s源，国内一般采用阿里源，官方的太慢

centos x86系统

cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=0
EOF

centos arm 系统

cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-aarch64/
enabled=1
gpgcheck=0
EOF

ubuntu 18.04

curl https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add -

cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
deb https://mirrors.aliyun.com/kubernetes/apt/ kubernetes-xenial main
EOF

安装（centos）

yum -y install kubelet-1.16.0-0  kubeadm-1.16.0-0