Created
May 1, 2019 14:59
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Kubernetes issues encountered and fix
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| 1. error: unable to upgrade connection: pod does not exist | |
| $ kubectl exec -it busybox -- sh | |
| error: unable to upgrade connection: pod does not exist | |
| student@ubuntu:~$ kubectl get nodes -o wide | |
| NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME | |
| ubuntu Ready master 22d v1.13.1 10.0.2.15 <none> Ubuntu 16.04.6 LTS 4.4.0-142-generic docker://18.9.2 | |
| worker1 Ready <none> 22d v1.13.1 10.0.2.15 <none> Ubuntu 16.04.6 LTS 4.4.0-142-generic docker://18.9.2 | |
| INTERNAL-IP of both master and worker node are same, I had to change the MAC address of worker1 node and also added hostname of worker1 and master node | |
| respectfully on both nodes in /etc/hosts file. |
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