Thursday 8 March 2018

Kubernetes / kubectl Crib Sheet

Get and Describe

Generally the get and describe can be used for 'deployments', 'nodes', 'pods', 'services', 'secrets' etc

// Get a list of pods
> kubectl get pods

// Interact with the pod by getting a shell
> kubectl exec -it <pod-nane> /bin/bash

// Get a list of services
> kubectl get services

// Describe a service to see how to connect to it
> kubectl describe service <service-name>


// Allow kubectl to see multiple config files - this isn't really a merge in that the files stay separate
> export KUBECONFIG=config:config-other:config-different

// List the Contexts (* = current)
> kubectl config get-contexts

// View all the config details
> kubectl config view

// Use a particular contextsa
> kubectl config use-context <context-name>


Create a secret
> kubectl create secret generic ssh-key-secret --from-file=id_rsa=~/.ssh/id_rsa

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