kubelet 安装kubernetes
#vim /etc/docker/daemon.json{"exec-opts": ["native.cgroupdriver=cgroupfs"] }
#systemctl enable docker && systemctl start docker
#/etc/yum.repos.d/kubernetes.repo
name=Kubernetes
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
#setenforce 0
# yum install -y kubelet kubeadm kubectl ebtables
# systemctl enable kubelet && systemctl start kubelet
#vim /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
#sysctl --system 关闭防火墙
# systemctl disable iptables-services firewalld
# systemctl stop iptables-services firewalld
#rm -r -f /etc/kubernetes /var/lib/kubelet /var/lib/etcd /etc/etcd
# swapoff -a 关闭swap分区
初始化你的master
#kubeadm init –pod-network-cidr=10.244.0.0/16
#mkdir -p $HOME/.kube
#cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
#chown $(id -u):$(id -g) $HOME/.kube/config
查看服务状态：
#kubectl get pods --all-namespaces -o wide
创建calico 网络
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