关闭缓冲区

sudo swapoff -a

修改docker cgroup驱动：

需要将docker的cgroupdriver修改为systemd

cat > /etc/docker/daemon.json <<EOF
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m"
  },
  "storage-driver": "overlay2",
  "storage-opts": [
    "overlay2.override_kernel_check=true"
  ]
}
EOF

开启内核转发

sudo sed -i "s;#net.ipv4.ip_forward=1;net.ipv4.ip_forward=1;g" /etc/sysctl.conf
sudo sysctl -p

增加国内源

获取key

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

将源地址加入source

sudo tee /etc/apt/sources.list.d/kubernetes.list <<-'EOF'
deb https://mirrors.aliyun.com/kubernetes/apt kubernetes-xenial main
EOF

更新软件包

sudo apt-get update

安装一键部署工具

sudo apt-get install -y kubelet=1.15.0-00 kubeadm=1.15.0-00 kubectl=1.15.0-00