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Practice Test - Commands and Arguments

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Solutions to practice test - commands and arguments

• Run the command ‘kubectl get pods’ and count the number of pods.

  ``` $ kubectl get pods ```

• Run the command ‘kubectl describe pod’ and look for command option

  ``` $ kubectl describe pod ```

• Set the command option to [‘sleep’, ‘5000’]. Answer file at: /var/answers/answer-ubuntu-sleeper-2.yaml

• Both sleep and 1200 should be defined as a string. Answer file at: /var/answers/answer-ubuntu-sleeper-3.yaml

• Answer file at: /var/answers/answer-ubuntu-sleeper-3-2.yaml

• Inspect the file ‘Dockerfile’ given at /root/webapp-color. What command is run at container startup?

  ``` python app.py ```

• Inspect the file ‘Dockerfile2’ given at /root/webapp-color. What command is run at container startup?

  ``` python app.py --color red ```

• The ‘command’ (entrypoint) is overridden in the pod definition. So the answer is –color green

• Inspect the two files under directory ‘webapp-color-3’. What command is run at container startup?

  ``` python app.py --color pink ```

• Answer file located at /var/answers/answer-webapp-color-green.yaml