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These are currently specific to kubectl and there are tons more here.

Set up short names for contexts

  • Open ~/.kube.config
  • Modify contexts section:
- context:
    cluster: cluster1
    user: cluster1
  name: dev
- context:
    cluster: cluster2
    namespace: namespace1
    user: cluster2
  name: namespace1
- context:
    cluster: cluster3
    namespace: db
    user: cluster3
  name: prod
current-context: prod

Just use K9s


Use specific context (i.e. cluster)

kubectl config use-context <context>

List namespaces

kubectl get ns

Set namespace

This will also update the relevant context’s namespace value in the ~/.kube/config file.

kubectl config set-context --current --namespace=<namespace>

List everything

This doesn’t actually list everything. See below for more.

kubectl get all

Actually list everything. May take awhile.

function k_get_all () {
    for i in $(kubectl api-resources --verbs=list --namespaced -o name | grep -v "" | grep -v "events" | sort | uniq); do
        kubectl get --show-kind --ignore-not-found ${i};

Show pod logs

kubectl logs pod/<pod>

Use ‘helm upgrade’ to install new version of a chart

This is far simpler than a more complex helm install command with tons of --set options. More infomration here

helm upgrade <release name> <chart name> --reuse-values