sudo yum install -y ntp sudo systemctl enable ntpd && sudo systemctl start ntpd
172.20.20.10 master 172.20.20.11 minion1 172.20.20.12 minion2 172.20.20.13 minion3
KUBE_MASTER=”–master=http://master.example.com:8080” KUBE_ETCD_SERVERS=”–etcd-servers=http://master.example.com:2379”
ETCD_LISTEN_CLIENT_URLS=”http://0.0.0.0:2379” ETCD_ADVERTISE_CLIENT_URLS=”http://0.0.0.0:2379”
KUBE_API_ADDRESS=”–address=0.0.0.0” KUBE_API_PORT=”–port=8080” KUBELET_PORT=”–kubelet-port=10250”
sudo systemctl enable etcd kube-apiserver kube-controller-manager kube-scheduler sudo systemctl start etcd kube-apiserver kube-controller-manager kube-scheduler sudo systemctl restart etcd kube-apiserver kube-controller-manager kube-scheduler sudo systemctl stop etcd kube-apiserver kube-controller-manager kube-scheduler sudo systemctl status etcd kube-apiserver kube-controller-manager kube-scheduler
KUBE_MASTER=”–master=http://master:8080” KUBE_ETCD_SERVERS=”–etcd-servers=http://master:2379”
KUBELET_ADDRESS=”–address=0.0.0.0” KUBELET_PORT=”–port=10250” KUBELET_API_SERVER=”–api-servers=http://master:8080” KUBELET_HOSTNAME=”–hostname-override=minion1”
sudo systemctl enable kube-proxy kubelet docker sudo systemctl start kube-proxy kubelet docker sudo systemctl status kube-proxy kubelet docker sudo systemctl restart kube-proxy kubelet docker
docker images docker version docker –version docker pull hello-world docker run hello-world docker ps docker ps -a
man kubectl kubectl get nodes
docker run -itd ubuntu:xenial /bin/bash docker ps -a
docker inspect ubuntu:xenial
docker inspect cockey_elion
docker inspect cockey_elion |grep IP
docker attach desperate_hamilton
docker stop desperate_hamilton
docker search ubuntu docker search ruby docker search training/sinatra
docker pull training/sinatra
docker run -it training/sinatra /bin/bash
docker rmi 1abc…
docker rm <instance_id>
docker start <container>
docker stop <container>
docker port
systemctl | grep kube
http://kubernetes.io/docs/troubleshooting/
kubectl cluster-info Kubernetes master is running at http://localhost:8080
kubectl cluster-info dump