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[root@localhost ~]# systemctl stop firewalld [root@localhost ~]# systemctl disable firewalld
[root@localhost ~]# sed -i 's/enforcing/disabled/' /etc/selinux/config [root@localhost ~]# getenforce
[root@localhost ~]# swapoff -a
[root@localhost ~]# cat > /etc/sysctl.d/k8s.conf << EOF > net.bridge.bridge-nf-call-ip6tables = 1 > net.bridge.bridge-nf-call-iptables = 1 > EOF
[root@localhost ~]# sysctl --system
[root@localhost ~]# echo "1" > /proc/sys/net/ipv4/ip_forward
[root@localhost ~]# yum remove docker docker-common docker-selinux docker-engine
[root@localhost ~]# yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
[root@localhost ~]# yum makecache fast
[root@localhost ~]# yum -y install docker-ce-18.06.1.ce-3.el7
[root@localhost ~]# systemctl enable docker && systemctl start docker
[root@localhost ~]# docker --version
[root@localhost ~]# vim /etc/yum.repos.d/kubernetes.repo [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
[root@localhost ~]# yum clean all
[root@localhost ~]# yum makecache
[root@localhost ~]# yum install -y kubelet-1.15.0 kubeadm-1.15.0 kubectl-1.15.0 [root@localhost ~]# systemctl enable kubelet
[root@k8s-master~]#kubeadm init --apiserver-advertise-address=192.168.8.146 --image-repository registry.aliyuncs.com/google_containers --kubernetes-version v1.15.0 --service-cidr=10.1.0.0/16 --pod-network-cidr=10.244.0.0/16
[root@localhost ~]# mkdir -p $HOME/.kube
[root@k8s-master ~]# cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
[root@k8s-master ~]# chown $(id -u):$(id -g) $HOME/.kube/config
[root@k8s-master~]#kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
[root@k8s-master ~]# kubectl get pod -n kube-system
[root@k8s-master ~]# kubectl get node
[root@k8s-node1 ~]# kubeadm join 192.168.8.146:6443 --token vhykt2.0jjdgdcnclxhts41 --discovery-token-ca-cert-hash sha256:bf42d67996e593a1e5844ba717d97e1249ed85bf86d83322b88c108d2f6a3dc1
[root@k8s-node1 ~]# docker ps
[root@k8s-master ~]# kubectl get node
[root@k8s-master~]#wget https://raw.githubusercontent.com/kubernetes/dashboard/v1.10.1/src/deploy/recommended/kubernetes-dashboard.yaml
[root@k8s-master ~]# vim kubernetes-dashboard.yaml
[root@k8s-master ~]# kubectl apply -f kubernetes-dashboard.yaml
[root@k8s-master ~]# kubectl --namespace=kube-system get service kubernetes-dashboard
[root@k8s-master ~]# kubectl create serviceaccount dashboard-admin -n kube-system [root@k8s-master~]#kubectl create clusterrolebinding dashboard-admin --clusterrole=cluster-admin --serviceaccount=kube-system:dashboard-admin [root@k8s-master ~]# kubectl get secret -n kube-system
[root@k8s-master~]# kubectl describe secret dashboard-admin-token-92djb -n kube-system
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