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Michael O'Brien

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Quickstart

Validate the Cluster

Using the example on page 122 of Kubernetes Up & Running.


kubectl run nginx --image=nginx:1.7.12
kubectl get deployments nginx
NAME      DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
nginx     1         1         1            1           12s
kubectl scale deployments nginx --replicas=6
deployment "nginx" scaled
michael@oskub1:~$ kubectl scale deployments nginx --replicas=6
deployment "nginx" scaled
michael@oskub1:~$ kubectl get pods --all-namespaces
NAMESPACE     NAME                                   READY     STATUS    RESTARTS   AGE
default       nginx-1389790254-cf284                 1/1       Running   0          8s
default       nginx-1389790254-dn1rs                 1/1       Running   0          8s
default       nginx-1389790254-lgkz3                 1/1       Running   0          1h
default       nginx-1389790254-p05zz                 1/1       Running   0          8s
default       nginx-1389790254-r9j7d                 1/1       Running   0          8s
default       nginx-1389790254-rhn7p                 1/1       Running   0          8s
kube-system   heapster-4285517626-x080g              1/1       Running   0          2h
kube-system   kube-dns-638003847-tst97               3/3       Running   0          2h
kube-system   kubernetes-dashboard-716739405-fnn3g   1/1       Running   1          2h
kube-system   monitoring-grafana-2360823841-hr824    1/1       Running   0          2h
kube-system   monitoring-influxdb-2323019309-k7h1t   1/1       Running   0          2h
kube-system   tiller-deploy-737598192-x9wh5          1/1       Running   0          2h


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