一、Kubernets國內鏡像
阿里雲提供了Kubernetes國內鏡像來安裝kubelet、kubectl 和 kubeadm。
登陸阿里雲鏡像網站:https://opsx.alibaba.com/mirror
1.1 Debian / Ubuntu
apt-get update && apt-get install -y apt-transport-https
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
apt-get update
apt-get install -y kubelet kubeadm kubectl
1.2 CentOS / RHEL / Fedora
setenforce 0
yum install -y kubelet kubeadm kubectl
systemctl enable kubelet && systemctl start kubelet
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF
附:多行導入文件(新建文件或者覆蓋文件內容)
在cat <<EOF >abcd.txt命令 與下一個輸入的EOF行之間的所有文本行都會被當做是stdin數據。
root@unbuntu:/# cat << EOF >abcd.txt
> uu
> hello world
> ii
> hah
> EOF