installing kubernetes

Installing a kubernetes by microk8s

Installing microk8s and setting up your linux user

1. Installing microk8s $ sudo snap install microk8s --classic

2. Adding permission your user to microk8s group $ sudo usermod -a -G microk8s $USER

3. Adding permission for your user $ sudo chown -f -R $USER ~/.kube

4. Logging again $ su - $USER

5. Check if microk8s was installed $ sudo snap list

6. More details about the installation $ sudo snap info microk8s

7. Check if microk8s is running $ microk8s.status --wait-ready

8. Check if the node is READY $ microk8s.kubectl get nodes

   • If it is PENDING it is worth to check if the specific SO needs some extra configuration like Debian Jessie.

9. Optionally you can create a link to kubectl $ sudo snap alias microk8s.kubectl kubectl

Accessing master pod through http

• Proxy access to pods to debug them $ microk8s.kubectl proxy

• From another terminal: $ curl http://localhost:8001/version

Stopping and starting kubernetes

• Stopping microk8s $ microk8s.stop

• Starting microk8s $ microk8s.start

Troubleshooting

• Inspecting microk8s $ microk8s.inspect

• Resetting microk8s $ microk8s.reset

Removing

• To remove microk8s: $ sudo snap remove microk8s