k8s-1.15安装流程步骤文本，未注释偶尔查看，不做教程只做参考

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Kubernetes

k8s-1.15安装流程步骤文本，未注释偶尔查看，不做教程只做参考

cat <<EOF >>/etc/hosts

172.18.1.200 master

172.18.1.201 node1

172.18.1.202 node2

EOF

systemctl stop firewalld

systemctl disable firewalld

setenforce 0

sed -i "s/^SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config

swapoff -a

sed -i 's/.*swap.*/#&/' /etc/fstab

cat > /etc/sysctl.d/k8s.conf <<EOF

net.bridge.bridge-nf-call-ip6tables = 1

net.bridge.bridge-nf-call-iptables = 1

EOF

sysctl --system

yum install -y wget

mkdir /etc/yum.repos.d/bak && mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/bak

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos7_base.repo

wget -O /etc/yum.repos.d/epel.repo http://mirrors.cloud.tencent.com/repo/epel-7.repo

yum clean all && yum makecache

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

wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo

yum install -y docker-ce-18.06.1.ce-3.el7

systemctl enable docker && systemctl start docker

docker –version

Docker version 18.06.1-ce, build e68fc7a

yum install -y kubelet kubeadm kubectl

systemctl enable kubelet

kubeadm init --kubernetes-version=1.15.3 \

--apiserver-advertise-address=172.18.1.200 \

--image-repository registry.aliyuncs.com/google_containers \

--service-cidr=10.1.0.0/16 \

--pod-network-cidr=10.244.0.0/16

kubeadm join 172.18.1.200:6443 --token wg5ain.sg0qgm3bil49uvkn \

    --discovery-token-ca-cert-hash sha256:0b1f4ba55bc225b77853b58ff499985aecc4a98643741555a6767016b96fe8de 

mkdir -p /root/.kube

cp /etc/kubernetes/admin.conf /root/.kube/config

kubectl get nodes

kubectl get cs

kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/a70459be0084506e4ec919aa1c114638878db11b/Documentation/kube-flannel.yml

kubectl create deployment nginx --image=nginx

kubectl expose deployment nginx --port=80 --type=NodePort

kubectl get pod,svc

wget https://raw.githubusercontent.com/kubernetes/dashboard/v1.10.1/src/deploy/recommended/kubernetes-dashboard.yaml

sed -i 's/k8s.gcr.io/loveone/g' kubernetes-dashboard.yaml

sed -i '/targetPort:/a\ \ \ \ \ \ nodePort: 30001\n\ \ type: NodePort' kubernetes-dashboard.yaml

kubectl create -f kubernetes-dashboard.yaml

kubectl get deployment kubernetes-dashboard -n kube-system

kubectl get pods -n kube-system -o wide

kubectl get services -n kube-system

netstat -ntlp|grep 30001

kubectl create serviceaccount  dashboard-admin -n kube-system

kubectl create clusterrolebinding  dashboard-admin --clusterrole=cluster-admin --serviceaccount=kube-system:dashboard-admin

kubectl describe secrets -n kube-system $(kubectl -n kube-system get secret | awk '/dashboard-admin/{print $1}')