k8s kubernetes Lesson 3 k8s by hand
Kubernetes wiki https://wiki.gslin.org/wiki/Kubernetes How to Install a Kubernetes Docker Cluster on CentOS 7 https://www.howtoforge.com/tutorial/centos-kubernetes-docker-cluster/ https://kubernetes.io/docs/setup/independent/create-cluster-kubeadm/ https://sueboy.blogspot.com/2019/11/kubernetes-nodeport.html https://rickhw.github.io/2019/03/17/Container/Install-K8s-with-Kubeadm/ ===== https://www.howtoforge.com/tutorial/centos-kubernetes-docker-cluster/ only one master/node k8s yum update setenforce 0 sed -i --follow-symlinks 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux modprobe br_netfilter echo '1' > /proc/sys/net/bridge/bridge-nf-call-iptables swapoff -a vim /etc/fstab >> mark swap yum install -y yum-utils device-mapper-persistent-data lvm2 yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo yum install -y docker-ce cat << eof > /etc/yum.repos.d/kubernetes.repo [kubernetes] 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 EOF yum install -y kubelet kubeadm kubectl sudo reboot systemctl start docker && systemctl enable docker systemctl start kubelet && systemctl enable kubelet docker info | grep -i cgroup sed -i 's/cgroup-driver=systemd/cgroup-driver=cgroupfs/g' /etc/systemd/system/kubelet.service.d/10-kubeadm.conf systemctl daemon-reload systemctl restart kubelet ## kubeadm init --apiserver-advertise-address=10.0.15.10 --pod-network-cidr=10.244.0.0/16 kubeadm init --pod-network-cidr=10.244.0.0/16 mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml kubectl get nodes kubectl get pods --all-namespaces https://kubernetes.io/docs/setup/independent/create-cluster-kubeadm/#control-plane-node-isolation ...